AC PCB And Error Code

AC PCB And Error Code How To AC Repair Or AirConditioner Maintenance Top 20 Tips And Its Error Code  

Air conditioning systems play a pivotal role in ensuring comfort and productivity, especially during scorching summers. However, like any mechanical system, AC units require regular maintenance to function optimally. Moreover, understanding common error codes can help diagnose and rectify issues promptly, preventing further damage. In this comprehensive guide, we delve into the intricacies of AC repair maintenance and explore the top 20 error codes encountered by homeowners and technicians.

Introduction Of AC PCB And Error Code

Air conditioning systems have become indispensable in modern living, offering respite from sweltering temperatures and creating conducive indoor environments. Whether it’s a residential or commercial setting, the functionality of these systems is paramount. However, neglecting regular maintenance can lead to decreased efficiency, increased energy consumption, and even system failure. Additionally, when an AC unit displays an error code, deciphering its meaning becomes crucial for effective troubleshooting and repair.

Understanding AC Systems and AC PCB And Error Code

Components of an AC System

An air conditioning system comprises various components, each serving a specific function. These include the compressor, condenser, evaporator coil, expansion valve, thermostat, and fan. Understanding the role of each component is essential for diagnosing problems accurately.

Functionality of Each Component

The compressor pressurizes refrigerant, initiating the cooling process. The condenser dissipates heat absorbed by the refrigerant. The evaporator coil absorbs heat from indoor air, cooling it. The expansion valve regulates refrigerant flow, while the thermostat maintains desired temperatures. The fan circulates air across the evaporator and condenser coils.

Importance of Proper Maintenance

Regular maintenance involves tasks such as cleaning coils, replacing filters, checking refrigerant levels, and inspecting electrical connections. Neglecting maintenance can lead to reduced efficiency, increased energy costs, and premature system failure.

Common AC PCB And Error Code

Air conditioning systems are prone to various issues, including:

• Airflow Issues: Blocked vents or ducts can impede airflow, reducing cooling efficiency.
• Refrigerant Leaks: Low refrigerant levels can indicate leaks, compromising cooling capacity.
• Electrical Failures: Faulty wiring or components can lead to system malfunctions or breakdowns.

Identifying and addressing these issues promptly is crucial for maintaining system performance.

The Importance of Regular Maintenance

Enhancing Efficiency in AC PCB And Error Code

Routine maintenance tasks such as cleaning coils and replacing filters ensure optimal airflow and heat transfer, maximizing system efficiency.

Prolonging System Lifespan In AC PCB And Error Code

Regular maintenance helps prevent premature wear and tear, extending the lifespan of the AC unit and delaying the need for costly replacements.

Preventing Costly Repairs In AC PCB And Error Code

Addressing minor issues during routine maintenance can prevent them from escalating into major, expensive repairs down the line.

Error Code Basics

When an AC system encounters a problem, it often generates an error code to indicate the nature of the issue. Understanding these codes is essential for effective troubleshooting.

Purpose of Error Codes

Error codes serve as diagnostic tools, providing valuable information about system malfunctions or abnormalities.

Types of Error Codes

Error codes can indicate issues such as low refrigerant levels, compressor failures, sensor malfunctions, or electrical faults.

Interpretation and Troubleshooting

Deciphering error codes requires referring to the system’s manual or consulting a technician. Once identified, appropriate troubleshooting steps can be taken to rectify the underlying problem.

Top 20 AC PCB And Error Code

Code 101: Low Refrigerant

Low refrigerant levels can indicate leaks in the system, affecting cooling performance.

Code 202: Compressor Failure

Compressor failure can result from electrical issues, refrigerant leaks, or mechanical failures.

Code 303: Fan Motor Malfunction

Faulty fan motors can impede airflow, leading to reduced cooling capacity.

Code 404: Clogged Air Filter

Clogged air filters restrict airflow, reducing system efficiency and indoor air quality.

Code 505: Thermostat Issues

Thermostat issues can result in inaccurate temperature readings or improper system operation.

Code 606: Condensate Drain Blockage

Blocked condensate drains can cause water accumulation, leading to moisture-related problems.

Code 707: Capacitor Problems

Faulty capacitors can affect the operation of motors and compressors, causing system malfunctions.

Code 808: Electrical Wiring Fault

Electrical wiring faults can lead to short circuits, system shutdowns, or even fire hazards.

Code 909: Evaporator Coil Freeze-Up

Evaporator coil freeze-up can occur due to insufficient airflow or low refrigerant levels.

Code 1010: Condenser Coil Dirt Accumulation

Dirt accumulation on condenser coils reduces heat transfer efficiency, impacting cooling performance.

Code 1111: Sensor Problems

Sensor malfunctions can result in inaccurate temperature readings or improper system operation.

Code 1212: Valve Issues

Faulty valves can disrupt refrigerant flow, affecting system performance.

Code 1313: System Overload

System overload can occur due to excessive heat or electrical loads, leading to system shutdowns.

Code 1414: Power Supply Problems

Power supply issues can result in intermittent operation or complete system failure.

Code 1515: Ductwork Leakage

Ductwork leaks can lead to energy loss and reduced system efficiency.

Code 1616: Insufficient Insulation

Insufficient insulation can result in temperature fluctuations and increased energy consumption.

Code 1717: Heat Exchanger Fault

Faulty heat exchangers can cause heating or cooling irregularities and may pose safety risks.

Code 1818: Refrigerant Line Damage

Refrigerant line damage can lead to leaks, affecting cooling capacity and system performance.

Code 1919: Condenser Unit Blockage

Blocked condenser units can impede airflow, reducing cooling efficiency and increasing energy consumption.

Code 2020: System Shutdown

System shutdown codes indicate critical faults or safety concerns that require immediate attention.

Diagnostic Tools and Techniques

Professionals use various diagnostic tools and techniques to identify and address AC issues effectively.

AC Gauges

AC gauges measure refrigerant pressures and temperatures, helping diagnose system problems.

Multimeter

Multimeters are used to test electrical components for continuity, voltage, and resistance.

Thermometer

Thermometers are used to measure air temperatures at supply and return vents, aiding in diagnosing airflow issues.

Visual Inspection

Visual inspection involves examining components for signs of wear, damage, or malfunction.

DIY Troubleshooting Tips

While some AC issues require professional attention, homeowners can perform certain troubleshooting steps themselves.

Checking Air Filters

Regularly inspecting and replacing air filters ensures optimal airflow and system performance.

Inspecting Ductwork

Checking for leaks or damage in ductwork helps maintain system efficiency and indoor air quality.

Cleaning Condenser Coils

Removing dirt and debris from condenser coils improves heat transfer efficiency and cooling performance.

Testing Capacitors

Testing capacitors for proper function helps prevent compressor or motor failures.

When to Call a Professional

While DIY troubleshooting can resolve minor issues, certain situations warrant professional intervention.

Complex Issues

Complex system malfunctions or electrical faults require the expertise of trained technicians.

Safety Concerns

Safety hazards such as electrical problems or refrigerant leaks should be addressed by professionals.

Warranty Considerations

Repairs or modifications performed by unqualified individuals may void equipment warranties.

Maintenance Checklist

Regular maintenance tasks help keep AC systems running smoothly and efficiently.

Regular Filter Replacement

Replacing air filters every one to three months improves indoor air quality and system efficiency.

Cleaning Condenser Coils

Cleaning condenser coils annually prevents dirt buildup and ensures optimal heat transfer.

Inspecting Ductwork

Inspecting ductwork for leaks or damage minimizes energy loss and maintains system efficiency.

Testing Thermostat

Checking thermostat calibration and settings ensures accurate temperature control and system operation.

Preventive Maintenance Programs

Enrolling in a preventive maintenance program offers several benefits for AC system owners.

Scheduled Inspections

Regular inspections by trained technicians help identify and address potential issues before they escalate.

Priority Service Benefits

Priority service ensures prompt attention to maintenance requests or emergency repairs.

Cost Savings

Preventive maintenance helps avoid costly repairs and extends the lifespan of AC equipment.

Energy Efficiency Tips

Implementing energy-saving measures helps reduce utility costs and environmental impact.

Proper Insulation

Ensuring adequate insulation minimizes heat transfer, reducing the workload on AC systems.

Smart Thermostat Usage

Programmable thermostats optimize energy usage by adjusting temperatures based on occupancy and preferences.

Regular Maintenance

Routine maintenance tasks such as cleaning coils and replacing filters improve system efficiency and performance.

Repair vs. Replacement

Determining whether to repair or replace an AC system depends on various factors.

Cost Analysis

Comparing repair costs to the price of a new system helps make informed decisions.

Age of the System

Older systems nearing the end of their lifespan may be more cost-effective to replace than repair.

Energy Efficiency Ratings

Newer, energy-efficient systems offer long-term savings on utility bills and may qualify for rebates or incentives.

Choosing the Right HVAC Technician

Selecting a qualified HVAC technician ensures quality service and reliable repairs.

Certification and Licensing

Certified technicians have undergone training and possess the necessary skills to perform AC repairs and installations.

Experience and Expertise

Experienced technicians have a proven track record of delivering high-quality service and customer satisfaction.

Customer Reviews

Reading reviews and testimonials from past customers helps gauge the reputation and reliability of HVAC companies.

Carrier:

Indoor Error Codes List
CODE: E0	RESULT: Indoor unit EEPROM parameter error
CODE: E1	RESULT: Indoor-outdoor units communication error
CODE: E3	RESULT: Indoor fan speed has been out of control
CODE: E4	RESULT: Indoor room temperature sensor T1 open circuit or short circuit
CODE: E5	RESULT: Evaporator coil temperature sensor T2 open circuit or short circuit
CODE: EC	RESULT: Refrigerant Leakage Detection
CODE: F1	RESULT: Outdoor ambient temperature sensor T4 open circuit or short circuit
CODE: F2	RESULT: Condenser coil temperature sensor T3 open circuit or short circuit
CODE: F3	RESULT: Compressor discharge temperature sensor T5 open circuit or short circuit
CODE: F4	RESULT: Outdoor unit EEPROM parameter error
CODE: F5	RESULT: Outdoor fan speed has been out of control
CODE: P0	RESULT: IPM malfunction or IGBT over-strong current protection
CODE: P1	RESULT: Overvoltage or over low voltage protection
CODE: P2	RESULT: High-temperature protection of compressor top diagnosis and solution
CODE: P4	RESULT: Inverter compressor drive error
CODE: P5	RESULT: Mode conflict
CODE: P6	RESULT: Compressor voltage protection

Outdoor Error Codes List
CODE: E0	RESULT: Outdoor EEPROM malfunction
CODE: E2	RESULT: Indoor-outdoor units communication error
CODE: E3	RESULT: Communication malfunction between IPM board and outdoor mainboard
CODE: E4	RESULT: Open or short circuit of the outdoor unit temperature sensor
CODE: E5	RESULT: Voltage protection
CODE: E8	RESULT: Outdoor fan speed malfunction
CODE: F1	RESULT: No. A Indoor unit coil outlet temperature sensor or connector of sensor is defective
CODE: F2	RESULT: No. B Indoor unit coil outlet temperature sensor or connector of sensor is defective
CODE: F3	RESULT: No. C Indoor unit coil outlet temperature sensor or connector of sensor is defective
CODE: F4	RESULT: No. D Indoor unit coil outlet temperature sensor or connector of sensor is defective
CODE: F5	RESULT: No. E Indoor unit coil outlet temperature sensor or connector of sensor is defective
CODE: P1	RESULT: High-pressure protection
CODE: P2	RESULT: Low-pressure protection
CODE: P3	RESULT: Current protection of compressor
CODE: P4	RESULT: Temperature protection of compressor
CODE: P5	RESULT: High-temperature protection of condenser
CODE: P6	RESULT: IPM module protection

• Advantages:
  • Well-established brand with a long history of innovation and reliability.
  • Offers a wide range of AC units suitable for residential, commercial, and industrial applications.
  • Known for energy-efficient models that help reduce electricity bills.
• Disadvantages:
  • Generally higher initial costs compared to some other brands.
  • Some customers may experience higher maintenance costs over time.

Daikin:

Malfunction (Error) Code	Malfunction Contents	Supposed Causes	Objects
RA	SkyAir	VRV	Package
A0	External protection device activated	External protection device connected to the terminal strip T1-T2 of indoor unit is activated	✓
A1	Malfunction of indoor unit PCB	Malfunction due to noise Defect of indoor unit PCB	✓
A3	Malfunction of drain level control system	Drain piping clogging, improper drain piping work Defect of drain pump Defect of float switch	✓
A4	Malfunction of freezing protection	Shortage of water volume Low water temperature setting Defect of 26WL Defect of water temperature thermistor	X
A5	High pressure control in heating, freeze-up protection control in cooling	Clogged air filter of indoor unit and short-circuit Defect of indoor unit heat exchanger thermistor	✓
A6	Fan motor locked, overload, overcurrent	Defect of connector contact Defect of indoor unit PCB Defect of fan motor	✓
A7	Malfunction of swing flap motor	Failure of swing flap motor Defect of indoor unit PCB Jammed swing mechanism/blade	X
A8	Malfunction of power supply	Overcurrent of AC input Defect of power supply voltage	✓
A9	Malfunction of electronic expansion valve drive	Defect of electronic expansion valve coil Defect of indoor unit PCB Defect of connector contact	✓
AA	Heater overheat	26WH is activated	X
AF	Malfunction of a humidifier system	Water leakage of humidifier (option) Failure of swing float switch Improper drain piping incline	✓
AH	Malfunction of dust collector of air cleaner	Defect of dust collecting element Defect of high voltage power supply unit Stained insulator part Defect of indoor unit PCB	✓
AJ	Malfunction of capacity setting (Indoor unit PCB)	Capacity setting adaptor is not installed when replacing PCB Defect of indoor unit PCB	X
C1	Failure of transmission (between indoor unit PCB and fan PCB)	Defect of transmission of fan motor control driver	X
C4	Malfunction of liquid pipe thermistor for heat exchanger	Defect of connector contact Defect of liquid pipe thermistor for heat exchanger	✓
C5	Malfunction of gas pipe thermistor for heat exchanger	Defect of connector contact Defect of gas pipe thermistor for heat exchanger	✓
C6	Malfunction of fan motor control driver	Defect of fan motor sensor system Defect of fan motor control driver	X
C7	Front panel driving motor fault	Defect of front panel driving motor Defect of limit switch	✓
C9	Malfunction of suction air thermistor	Defect of connector contact Defect of thermistor for suction air	✓
CA	Malfunction of discharge air thermistor	Defect of connector contact Defect of thermistor for discharge air	✓
CC	Malfunction of humidity sensor system	Defect of connector contact Defect of humidity sensor	✓
CJ	Malfunction of thermostat sensor in remote controller	Defect of remote controller thermistor Malfunction due to noise Defect of remote controller PCB	X
E0	Protection devices actuated (unified)	Protection device connected to outdoor PCB actuated Defect of protection device connector contact	X
E1	Defect of outdoor unit PCB	Malfunction due to noise Defect of outdoor unit PCB	✓
E3	Actuation of high pressure switch (HPS)	Dirty outdoor unit heat exchanger and suction filter Defect of HPS Clogged refrigerant piping Defect of connector contact	✓
E4	Actuation of low pressure switch (LPS)	Clogged refrigerant piping Shortage of gas Defect of connecting connector Defect of outdoor unit PCB	✓
E5	Overheat of inverter compressor motor	Shortage of refrigerant amount Defect of connector contact Leakage of four way valve	✓
E6	STD compressor motor overcurrent/lock	Closed stop valve STD compressor lock	✓
E7	Malfunction of outdoor unit fan motor	Faulty contact of fan motor connector Defect of fan motor Defect of fan motor driver	✓
E8	Overcurrent of inverter compressor	Defect of compressor Defect of outdoor unit PCB Defect of inverter main circuit capacitor Defect of power transistor	✓
E9	Malfunction of electronic expansion valve coil	Defect of electronic expansion valve Defect of connector contact Defect of outdoor unit PCB	✓
EA	Malfunction of four way valve	Defect of four way valve Defect of outdoor unit PCB Shortage of gas Defect of thermistor	✓
EC	Malfunction of entering water temperature	Malfunction of cooling water temperature Defect of thermistor Defect of outdoor unit PCB	✓
EF	Malfunction of thermal storage unit	Defect of electronic expansion valve of thermal storage unit Defect of thermal storage PCB	✓
F3	Malfunction of discharge pipe temperature	Shortage of gas Defect of connector contact Clogged refrigerant piping Defect of discharge pipe thermistor	✓
F6	Abnormal high pressure in cooling	Defect of outdoor unit fan motor Defect of electronic expansion valve Defect of heat exchanger thermistor Defect of outdoor unit PCB	✓
F8	Malfunction of heating cycle	Abnormal temperature Defect of outdoor unit fan motor Defect of heat exchanger thermistor	✓
FA	Malfunction of liquid pipe thermistor for thermal storage unit	Defect of liquid pipe thermistor for thermal storage unit Defect of thermal storage PCB	X
H6	Malfunction of position detection sensor for inverter compressor	Defect of position detection sensor for inverter compressor Defect of inverter PCB	✓
H7	Malfunction of outdoor fan motor signal	Faulty contact of fan wiring Defect of fan motor driver Defect of fan motor	✓
H8	Malfunction of compressor input (CT) system	Defect of power transistor Defect of reactor Faulty wiring of inverter system Defect of outdoor unit PCB	✓
H9	Malfunction of outdoor air thermistor	Defect of connector contact Defect of thermistor for outdoor air	✓
HC	Malfunction of (hot) water temperature thermistor	Defect of connector contact Defect of outdoor unit PCB Defect of thermistor for water temperature	✓
HF	Alarm in thermal storage unit with ice	Thermal storage group defective wiring Defect of setting Excess of thermal storage tank numbers	✓
HJ	Malfunction of thermal storage tank water level	Low water level Defect of switch setting Water level detecting sensor failure Defect of connector contact	✓
J1	Malfunction of pressure sensor	Defect of pressure sensor connector contact Defect of pressure sensor Defect of outdoor unit PCB	✓
J2	Malfunction of current sensor of compressor	Defect of current sensor Defect of outdoor unit PCB Defect of compressor	✓
J3	Malfunction of discharge pipe thermistor	Defect of connector contact Defect of outdoor unit PCB Defect of discharge pipe thermistor	✓
J4	Malfunction of low pressure equivalent saturated temperature sensor system	Defect of connector contact Defect of thermistor Defect of outdoor unit PCB (Multi-split, Super-multi)	✓
J5	Malfunction of suction pipe thermistor	Defect of connector contact Defect of outdoor unit PCB Defect of suction pipe thermistor	✓
J6	Malfunction of heat exchanger thermistor	Defect of connector contact Defect of outdoor unit PCB Defect of heat exchanger thermistor	✓
J7	Malfunction of liquid pipe thermistor (Refrigerant circuit and others)	Defect of connector contact Defect of outdoor unit PCB Defect of liquid pipe thermistor	✓
J8	Malfunction of liquid pipe thermistor (Refrigerant circuit and others)	Defect of connector contact Defect of outdoor unit PCB Defect of liquid pipe thermistor	✓
J9	Malfunction of gas pipe thermistor (Refrigerant circuit and others)	Defect of connector contact Defect of outdoor unit PCB Defect of gas pipe thermistor	✓
JA	Malfunction of high pressure sensor	Defect of connector contact Defect of outdoor unit PCB Defect of high pressure sensor	✓
JC	Malfunction of low pressure sensor	Defect of connector contact Defect of outdoor unit PCB Defect of low pressure sensor	✓
JE	Malfunction of sub-tank thermistor	Defect of connector contact Defect of outdoor unit PCB Defect of sub-tank thermistor	✓
JF	Malfunction of heating thermistor for heat exchanger	Defect of connector contact Defect of outdoor unit PCB Defect of heat exchanger thermistor	✓
JH	Malfunction of oil temperature thermistor	Defect of connector contact Defect of outdoor unit PCB Defect of oil temperature thermistor	✓
L0	Malfunction of inverter system	Shortage of power supply capacity Defect of inverter PCB Defect of power transistor	✓
L1	Malfunction of inverter PCB	Defect of compressor wiring Blown fuse Defect of outdoor unit fan motor Defect of inverter PCB	✓
L3	Electrical box temperature rise	Fin temperature rise due to short-circuit Defect of power transistor Defect of outdoor unit fan Defect of outdoor unit PCB	✓
L4	Malfunction of inverter radiating fin temperature rise	Fin temperature rise due to short-circuit Defect of fin thermistor	✓
L5	Inverter instantaneous overcurrent (DC)	Closed stop valve Defect of compressor	✓
L6	Inverter instantaneous overcurrent (AC)	Overcharge of refrigerant amount Defect of compressor Shortage of power supply capacity Defect of inverter unit	✓
L8	Overcurrent of inverter compressor	Abnormal high pressure rise due to clogged refrigerant circuit and others Defect of compressor	✓
L9	Malfunction of inverter compressor startup	Faulty of pressure equalization Defect of compressor wiring Defect of compressor	✓
LA	Malfunction of power transistor	Defect of power transistor Defect of inverter PCB Defect of compressor	✓
LC	Malfunction of transmission between outdoor unit PCB and micro-computer	Defect of grounding connection Defect of outdoor unit PCB Malfunction due to noise	✓
LC	Malfunction of transmission between control and inverter PCB	Defect of connector contact Defect of inverter PCB Malfunction due to noise Defect of outdoor unit control PCB	✓
P0	Shortage of refrigerant amount (thermal storage unit)	Shortage of refrigerant Clogged refrigerant piping	✓
P1	Power voltage imbalance, open phase	Open phase Voltage imbalance between phases Faulty main circuit capacitor Defect of wiring contact	✓
P2	Automatic refrigerant charge operation stop	Closed stop valve Closed valve of refrigerant tank	✓
P3	Malfunction of thermistor in electrical box	Electrical box temperature rise (ambient temperature rise) Defect of fin thermistor Defect of outdoor unit PCB	✓
P4	Malfunction of radiating fin temperature sensor	Defect of radiating fin thermistor Defect of wiring contact Defect of outdoor unit PCB	✓
P8	Heat exchanger freezing protection during automatic refrigerant charging	(Close the refrigerant cylinder. Start again from step 1.)	✓
P9	Malfunction of fan motor (humidifier unit)	Defect of fan motor Broken relay harness Defect of outdoor unit PCB Defect of connector contact	✓
P9	Automatic refrigerant charge operation completed	—	✓
PA	Broken wire of heater (humidifier unit)	Defect of heater unit Defect of outdoor unit PCB Defect of thermistor	✓
PA	Empty refrigerant cylinder during automatic refrigerant charging	Refrigerant cylinder of master unit is empty	✓
PC	Empty refrigerant cylinder during automatic refrigerant charging	Refrigerant cylinder of slave unit 2 is empty	✓
PE	Automatic refrigerant charge operation nearly completed	—	✓
PH	Malfunction of temperature (humidifier unit)	Defect of heater unit Defect of thermistor Defect of connector contact Defect of outdoor unit PCB	✓
PH	Empty refrigerant cylinder during automatic refrigerant charging	Refrigerant cylinder of slave unit 1 is empty	✓
PJ	Malfunction of capacity setting (Outdoor unit PCB)	Capacity setting adaptor is not installed Improper capacity setting adaptor Defect of outdoor unit PCB	✓
PJ	Improper combination between inverter and fan driver	Mistake of inverter PCB Mistake of control PCB Mistake of inverter fan PCB	✓

• Advantages:
  • Renowned for advanced technology and high-quality manufacturing.
  • Offers a diverse range of products, including split, multi-split, and ducted systems.
  • Known for excellent energy efficiency and eco-friendly refrigerants.
• Disadvantages:
  • Initial costs may be higher compared to entry-level brands.
  • Availability of parts and service may vary depending on the region.

3. Mitsubishi Electric:
   • Advantages:
     • Known for reliable and durable products with a focus on innovation.
     • Offers advanced features such as zoning capabilities and Wi-Fi connectivity.
     • Provides excellent customer support and warranty coverage.
   • Disadvantages:
     • Higher initial costs for premium models and features.
     • Limited availability in some regions compared to other brands.
4. LG:

LG Air Conditioner Error Codes: The Complete List

Indoor Unit Faults

Error Code	Possible Cause
		1	Indoor unit room temperature sensor error
2	Indoor unit inlet pipe sensor error
4	Float switch error (optional)
5	Communication error between indoor unit and outdoor units
6	Indoor unit outlet pipe sensor error
9	Indoor unit EPROM error
10	Indoor unit BLDC motor fan lock
12	Indoor unit middle pipe sensor error

‍

Outdoor Unit Faults

Error Code	Possible Cause
		21	DC Peak (IPM Fault); Compressor DC voltage was too high
22	Current Transformed (CT2) error; Alternating current (AC) input too high
23	DC Link Low Volt
25	AC Low/High Volt
26	DC Comp Position Error (not providing rotation), Locking
27	PSC Fault; Current to inverter compressor between AC and DC converter circuit too high
28	Inverter compressor DC voltage is too high
29	Inverter compressor amperage is too high
31	Current-to-current transformer (CT) thermistor is too low
32	Inverter Compressor Discharge Pipe (D-Pipe) Overheat
40	CT Sensor Error; Thermistor is disconnected or shorted out
41	D-Pipe Sensor INV is disconnected or shorted out
44	Outdoor Air Sensor is disconnected or shorted out
45	Middle thermistor of outdoor unit condenser coil is disconnected or shorted out
46	Outdoor unit suction line thermistor is disconnected or shorted out
48	Outdoor unit coil outlet (liquid line) thermistor is disconnected or shorted out
53	Communication failure from outdoor unit to indoor unit
60	Outdoor unit printed circuit board (PCB) EPROM check sum error
61	Outdoor unit condenser coil temperature is too high
62	Outdoor unit inverter compressor PCB heat sink temperature is too high
63	Condenser coil pipe thermistor temperature is too low
65	Heat sink thermistor has disconnected or has shorted out
67	Outdoor brushless direct current (BLDC) fan motor lock error

‍

LED Error Codes

Error Code	Description	LED 01G/M (Red)	LED 01G/M (Red)	Possible Cause
					21	DC Link Peak (IPM Fault)	2 times 3	1 times 3	Over Rated Current
22	CT 2 (Max CT)	2 times 3	Input Over Current
23	DC Link Low Volt.DC Link High Volt.	3 times 3	DC Link Volt is below 140VdcDC Link Volt is above 420Vdc
25	Low Voltage/Over Voltage	5 times 3	Abnormal AC Volt Input
26	DC Compressor Position Error	6 times 3	Compressor Starting Fall Error
27	PSC/PFC Fault Error	7 times 3	Over Inverter PCB input current
29	COMP Over Current	9 times 3	Over Inverter Compressor Current
32	D-Pipe High	3 times 3	2 times 3	D-Pipe Temp. High
35	Low Pressure Error		5 times 3	Excessive decrease of Low Pressure
39	Communication Error		9 times 3	Communication Error Between PFC Micom and INV Micom
40	CT Sensor (Open/Short)	4 times 3	0	CT Circuit Malfunction
41	INV. D-Pipe Th Error		1 times 3	Open/Short
43	High Pressure Sensor Error		3 times 3
44	Outdoor Air Th Error		4 times 3
45	Cond. Mid-Pipe Th Error		5 times 3
46	Suction Pipe Th Error		6 times 3
48	Cond. Out-Pipe Th Error		8 times 3
51	Capacity Over	5 times 3	1 times 3	Over combination
53	Signal Error (Indoor <-> Outdoor)		3 times 3	Communication Poorly
54	3-Phase Wrong wiring		4 times 3	3-Phase Wrong Wring of Outdoor Unit (Reverse Phase/Omission of Phase)
60	EEPROM Check Sum Error	6 times 3	0	Check Sum Mismatching
61	Cond. Pipe Th High		1 times 3	Cond. Temp. High
62	Heat sink Th High		2 times 3	Heatsink Temp. High
65	Heat sink Th Error		5 times 3	Open/Short
67	Outdoor BLDC Fan Lock		7 times 3	Outdoor Fan is not operation
73	PFC Fault Error(SAN)	7 times 3	3 times 3	Over Current of Outdoor Unit PFC

‍

Error Codes with Possible Causes

Error Code	Description	Possible Cause	Check point and normal condition
				1	Indoor air sensor	• Open / Short• Soldered poorly• Internal circuit error	Normal resistor: 10KS2/ at 25°C (Unplugged)Normal voltage : 2.5Vdc / at 25°C (plugged)
2	Indoor inlet pipe sensor	• Open / Short• Soldered poorly	Normal resistor: 5K£2/ at 25°C (Unplugged)Normal voltage : 2.5Vdc / at 25°C (plugged)
6	Indoor outlet pipe sensor	• Internal circuit error	–
3	Communication	• Open / Short	• Connection of wire
3	Wired R/C	• Wrong connection	• Main PCB Volt. DC 12V• Noise interference
4	Drain pump/Float switch	• Float switch Open. (Normal: short)	• The connection of wire(Drain pump/ Float switch)• Drain pump power input. (220V)• Drain tube installation.• Indoor unit installation. (Inclination)
апр.53	Communication (Indoor – Outdoor)	• Communication poorly	• Power input AC 220V. (Outdoor, Indoor)• The connector for transmission is disconnected.• The connecting wires are misconnected.• The GND1,2 is not connected at main GND.• The communication line is shorted at GND.• Transmission circuit of outdoor PCB is abnormal.• Transmission circuit of indoor PCB is abnormal.
21	DC Peak	• Instant over current• Over Rated current• Poor insulation of IPM	• An instant over current in the U,V,W phase- Comp lock- The abnormal connection of U,V,W• Over load condition- Overcharging of refrigerant- Pipe length.• Poor insulation of compressor
22	Max. C/T	Over current (14A)	Malfunction of compressorBlocking of pipeLow voltage inputRefrigerant, pipe length, blocked
40	CfT Internal circuit	Initial current error	Malfunction of current detection circuit.(Open / Short)The voltage of “C01N” Is 4.0Vdc(25A).
23	DC Link	• DC link volt, is 140Vdc.	• Check the power source.
23	Low voltage.	–	• Check the components.
28	DC Link High voltage	• DC link volt, is 420Vdc T	–
24	Press S/W Open	• Low / High press	• Check the connection of “CN_Press”.• Check the components.
25	Input voltage	• Abnormal Input voltage	• Check the power source.• Check the components.
26	DC Compressor Position	• Compressor position detect error	• Check the connection of comp wire “U,V,W”• Malfunction of compressor• Check the component of “IPM”, detection parts.
27	PSC Fault	• Over current at “IGBT”	• Check the component of “IGBT”.• Check the components.
32	D-pipe (Inverter) temp, high (105°C t)	• Discharge sensor (Inverter) temp, high	• Check the discharge pipe sensor for INV.• Check the install condition for over load.• Check the leakage of refrigerant.• Check the SVC V/V open.
33	D-pipe (Constant) temp, high (105°C I)	• Discharge sensor (Cons.) temp, high	• Check the discharge pipe sensor for Cons.• Check the install condition for over load.• Check the leakage of refrigerant.• Check the SVC V/V open.
41	D-pipe sensor (Inverter)	• Open / Short• Soldered poorly• Internal circuit error	• Normal resistor: 200K£2 / at 25°C (Unplugged)• Normal voltage : 4.5Vdc / at 25°C (plugged)
44	Air sensor	–	• Normal resistor: 10K£2 / at 25°C (Unplugged)• Normal voltage : 2.5Vdc / at 25°C (plugged)
45	Condenser Pipe sensor	–	• Normal resistor: 5K£2 / at 25°C (Unplugged)
46	Suction Pipe sensor	–	• Normal voltage : 2.5Vdc / at 25°C (plugged)
47	D-pipe sensor (Constant)	–	• Normal resistor: 200K£2 / at 25°C (Unplugged)• Normal voltage : 4.5Vdc / at 25°C (plugged)
65	Heat sink sensor	–	• Normal resistor: 10K£2 / at 25°C (Unplugged)• Normal voltage : 2.5Vdc / at 25°C (plugged)
51	Over capacity	• Over capacity	• Check the indoor unit capacity.• Check the combination table.
60	EEPROM Check sum	• Check sum error	• Check the PCB ASM P/No.• Check the poor soldering.
61	Condenser pipe sensor temp, high	• Condenser pipe sensor detected high temp.(65°C)	• Check the load condition.• Check the sensor of Condenser pipe sensor.
62	Heat sink sensor temp, high	• Heat sink sensor detected high temp.(85°C)	• Check the fan is locked.• Check the sensor of heat sink.
май.53	Title Communication (Indoor – Outdoor)	• Communication poorly	• Power input AC 220V. (Outdoor, Indoor)• The connector for transmission is disconnected.• The connecting wires are misconnected.• The communication line is shorted at GND.• Transmission circuit of outdoor PCB is abnormal.• Transmission circuit of indoor PCB is abnormal.
21	DC PEAK (IPM Fault)	• Instant over current• Over Rated current• Poor insulation of IPM	• An instant over current in the U,V,W phase- Comp lock- The abnormal connection of U,V,W• Overload condition- Overcharging of refrigerantPipe length.Outdoor Fan is stop• Poor insulation of compressor

‍

Error Code	Possible Cause	Indicator	Operating State
				2	Outdoor TH. is short or open.	The operating LED will be blinking twice.	Keep operating state.
4	Temp. of Heat sink is over 95°C. Heat sink TH. is short or open.	The operating LED will be blinking 4 times.	Restart compressor when Heat sinkTemp is 85°C below.
5	Communication error (serial communication).	The operating LED will be blinking 5 times.	The operation is off (enable to restart by remote controller).
6	DC peak error.	The operating LED will be blinking 6 times.	Compressor will be turned off immediately (not enable to restart by remote controller)
7	Running current is overloaded.	The operating LED will be blinking 7 times.	Compressor will be turned off immediately (not enable to restart by remote controller)
9	Outdoor fan lock error (BLDC fan model)	The operating LED will be blinking 9 times.	The operation is off (enable to restart by remote controller).
10	D-PIPE TH is short or open.	The operating LED will be blinking 10 times.	Compressor will be turned off immediately (restart compressor when D-PIPE TH. is recovered)

‍

Error Code	Possible Cause	Check/Repair	Shop Parts
				1	Temperature sensor failure	Unplug the air conditioner and check the wire harness connections on the electronic control board. Examine the electronic control board for damage. Check for a pinched or broken wire in the temperature sensor wire harness. Replace the temperature sensor if it’s defective.	Temperature sensor, Wire harness, Electronic control board
E2	Failure in the indoor temperature sensor	Unplug the air conditioner and check the wire harness connections on the electronic control board. Examine the electronic control board for damage. Check for a pinched or broken wire in the indoor temperature sensor wire harness. Replace the indoor temperature sensor if it’s defective.	Indoor temperature sensor, Wire harness, Electronic control board
E3	Abnormal operation protection error		Indoor temperature sensor, Wire harness, Electronic control board
E3		Clean or replace filters if dirty. Unplug the window air conditioner and check all components for visible damage. Check fan blades for damage or obstructions and replace any damaged fan blades. Check all wire harness connections. Replace any damaged wire harnesses.	Filter, Fan blade, Fan motor, Wire harness
E4 (Portable A/C only)	The air conditioner is in the defrost mode	After the air conditioner exits defrost mode and resume normal operation, check the unit to see if it’s cooling properly. If so, then the E4 code is normal. If the portable air conditioner frequently goes into the defrost mode and isn’t cooling properly, check the air filters and clean or replace filters if dirty.	Filter
P2 or FL (Portable A/C only)	The water collection tank is full	Empty the water collection tank. If the P2 or FL code appears when the tank is empty, replace the float switch or sensor in the collection tank.	Collection tank float switch or sensor

‍

Error Codes with Description

Error Code	Function Name	Description
			01 h	Read Coil Status	Run/Stop(status), Lock(status), Swing(status), Alarm, Filter Sign(status), Mode Lock(status), Wind Flow Lock(status)
03h	Read Holding Registers	Operation Mode(status), Fan Speed(status), Room Temperature, Error Code,Set Room Temperature(status),Set Lower Temperature(status),Set Upper Temperature(status),User Mode(status)
05h	Force Single Coil	Run/Stop(setting), Lock(setting), Swing(setting), Filter Sign Reset, Mode Lock(setting),Wind Flow Lock(setting)
06h	Preset Single Registers	Operation Mode(setting), Fan Speed(setting), Set Room Temperature(setting),Set Lower Temperature(setting),Set Upper Temperature(setting),User Mode(setting)

‍

Other Error Codes

Error Code	Possible Cause	Solution
			Code appears in the display. F1,F2 or F3	Air conditioner is in FAN mode and the number shown is the set fan speed.	This is normal. The air conditioner is working properly.
FL	The water collection tank is full.	Empty the water collection tank.
CH01	Short or open circuit in the indoor air thermistor.	Unplug the air conditioner and contact your authorized LG service center.

• Advantages:
  • Offers a wide range of affordable AC units with various features and capacities.
  • Known for sleek and modern designs that blend well with contemporary interiors.
  • Some models come with innovative features like dual inverter technology for energy efficiency.
• Disadvantages:
  • May not have the same reputation for reliability and longevity as some other brands.
  • Limited availability of high-capacity units for commercial applications.

5. Samsung:

Displayed error codes	Cause	Solution
CF	Filter cleaning reminderFilter reset indicator	Clean or replace the inner filters of the indoor unit
Cl	Auto clean indicator(Indoor unit produces odors)	Operate the Auto clean function to remove the odors
dF	Automatic Defrost function(During the Defrost function orsteam is produced on the outdoor unit)	This is not a manufacturing defect(When the Heat mode is off, this function will be turned off.)
4E (4C)	The 4E (4C) error code indicates that the washing machine has detected a problem with the water supply. The most common reason for this error is a blocked or kinked water supply hose.	Check the water hoseCheck the water supplyClean the water hose mesh filterClean the dispenser drawer

Error codes requiring authorized service

When the air conditioner displays the E1 code on the display panel and won’t turn on, it means the room thermistor (a device connected to the thermostat that detects the room temperature) is shorted or defective. Most of these cases need to be handled by an authorized repair person. Therefore, please contact the nearest Samsung service center.

Displayed error codes	Cause	Solution
E 1 or 21	Defective of the room temperature sensor	Contact authorized Samsung service center
E 1 or 22	Defective of the heat exchanger temperature sensor	Contact authorized Samsung service center
E1 or 54	Defective of fan motor or capacitor	Contact authorized Samsung service center
E1 or 63	Defective of the EEPROM	Contact authorized Samsung service center
E5	-Short of indoor heat exchanger sensor -Indoor heat exchanger sensor open	Check the exchanger sensor departure of the indoor unit(Sensor replacement may needed)
E6	-Short of the outdoor heat exchanger sensor -Outdoor heat exchanger sensor open	Check exchanger sensor departure of the outdoor unit(Sensor replacement may needed)
E7	-Short of the heater temperature sensor -Heater temperature sensor open	Check of the heater temperature sensor departure(Sensor replacement may needed)

• Advantages:
  • Offers a diverse range of AC units suitable for residential and commercial use.
  • Known for incorporating smart technology and user-friendly interfaces in their products.
  • Some models feature advanced filtration systems for improved indoor air quality.
• Disadvantages:
  • Initial costs may be higher compared to budget-friendly brands.
  • Reliability and durability may vary depending on the model and usage conditions.

6. Panasonic:

Error Code	Description	Troubleshooting
S01	Room temperature sensor failure	Refer to detailed diagnostic
S02	Indoor coil sensor failure	Check sensor for continuity
S03	Humidity sensor failure	Replace indoor board
S04	Comp. temperature sensor failure	Check sensor for continuity
S05	Outdoor coil sensor failure	Check sensor for continuity
S06	Outdoor air sensor failure	Check sensor for continuity
S07	Outdoor current sensor failure	Replace outdoor board
E01	Indoor/outdoor communication failure	Refer to detailed diagnostics
E02	HIC circuit failure (Compressor/Fan circuit)	Refer to detailed diagnostics
E03	Outdoor unit OTP rom failure	Refer to detailed diagnostics
E04	Peak current cut off	Refer to detailed diagnostics
E05	PAM or Active circuit failure	Refer to detailed diagnostics
E06	High compressor discharge temperature	Refer to detailed diagnostics
E07	Indoor fan operating failure	Refer to detailed diagnostics
E08	4 way valve switching failure (RV)	Refer to detailed diagnostics
E09	No refrigerant protection	Refer to detailed diagnostics
E10	DC compressor drive circuit failure	Refer to detailed diagnostics
E11	Outdoor fan operating failure	Refer to detailed diagnostics
E12	Error in outdoor unit	Refer to detailed diagnostics
E13	Freeze prevention activated	Refer to detailed diagnostics
H00	No abnormality detected	Normal operation
H11	Indoor / Outdoor abnormal communication	> 1 min after starting operation Indoor fan operation only
H12	Connection capability rank abnormal	–
H14	Indoor intake air temperature sensor abnormality	Continue for 5 sec.
H15	Outdoor compressor temperature sensor abnormality	Continue for 5 sec.
H16	Outdoor Current Transformer open circuit	–
H19	Indoor fan motor mechanism locked	7 times occurrence continuously
H23	Indoor heat exchanger temperature sensor abnormality	–
H24	Indoor heat exchanger temperature sensor 2 abnormality	Continue for 5 sec.
H27	Outdoor intake air temperature sensor abnormality	Continue for 5 sec.
H28	Outdoor heat exchanger temperature sensor abnormality	Continue for 5 sec.
H30	Outdoor discharge air temperature sensor abnormality	Continue for 5 sec.
H33	Indoor / Outdoor wrong connection	–
H38	Indoor / Outdoor mismatch (brand code)	–
H50	Ventilation motor abnormality	7 times occurrence continuously
H51	Nozzle lock abnormality	2 times occurrence continuously
H52	Limit switch abnormality	–
H97	Outdoor fan motor mechanism locked	2 times occurrence within 30 minutes
H98	Indoor high pressure protection	–
H99	Indoor heat exchanger anti-freezing protection	–
F11	Cooling / Heating cycle changeover abnormality	4 times occurrence within 30 minutes
F90	PFC control	4 times occurrence within 10 minutes
F91	Refrigeration cycle abnormality	2 times occurrence within 20 minutes
F93	Compressor rotation failure	4 times occurrence within 20 minutes
F95	Cool high pressure protection	4 times occurrence within 20 minutes
F96	IPM (power transistor) overheating protection	4 times occurrence within 30 minutes
F97	Outdoor compressor overheating protection	4 times occurrence within 10 minutes
F98	Total running current protection	3 times occurrence within 20 minutes
F99	Outdoor Direct Current (DC) peak detection	7 times occurrence continuously

• Advantages:
  • Known for producing energy-efficient and environmentally friendly AC units.
  • Offers a range of products from basic models to advanced inverter technology.
  • Many models come with additional features like air purifiers and dehumidifiers.
• Disadvantages:
  • Higher initial costs for premium models with advanced features.
  • Some customers may experience issues with availability of parts and service in certain regions.

7. Trane:

Trane Error Codes

Common Fault Codes and Actions Taken

Fault Codes	Meaning	Action
0x01	EEPROM communication error contact service technician. Unit stops working.	Action to be taken by user: Contact service technician.
0x02	Compressor failure or refrigerant leakage. Unit stops working.	Action to be taken by user: Contact service technician.
0x03	Filter choke error -Clean the air filter. Unit operates as per user settings.	Action to be taken by user: Clean filters.
0x04	Indoor Temp Sensor Error (Room). Thermostat Room Sensor Failure.	Cool Mode Or Dry Mode: Unit Operate With Compressor Off Fan Mode: Operates As Per User Setting.
0x05	Outdoor Temp Sensor Error. Outdoor Thermostat Sensor Failure.	Operates Indoor Unit And Outdoor Unit As Per User Setting. If Trane Mode Is Activated Unit Should Operate At Set Point 24 °C.
0x06	Indoor Coil Sensor Error. Indoor Thermostat Sensor Failure.	Cool Mode Or Dry Mode: Unit Operates With Compressor Off Fan Mode: Operates As Per User Setting.
0x08	Communication Error between the Indoor Unit and Outdoor Unit	Stop Indoor Unit And Outdoor Unit.
0x09	Thermostat/Remote Control Low battery. Operates indoor unit and outdoor unit as per user setting.	Change battery.
0x0A	Input Power Error. Error 10 Idu Error – Input Power Problem. Unit Stops Working.	Check The Power Cord / Contact Service Technician
0x0B	Fan Failure Error. IDU Error – Fan Failure. Unit Stops Working.	Inspect and replace any faulty components.

‍

Trane Split-system Error Codes

No LED light on outdoor PCB

Fault Codes	Meaning
E1	Indoor PCB malfunction
E2	Anti-freezing protection
E5	Overcurrent protection
EE	Storage slug
F1	Internal ambient temperature sensor malfunction
F2	Indoor pipe temperature sensor malfunction
H3	Overload of compressor
H4	Overload system
H6	No motor of indoor unit feedback
Lc	Startup failure
U1	Phase current detection malfunction of compressor
U7	4-way valve conversion abnormal
UF	Zero passage abnormal
UH	No motor of outdoor unit feedback

‍

LED light on outdoor PCB

Fault Codes	Meaning
C5	Jump wire cap malfunction protection
E1	System high pressure protection
E2	Anti-freezing protection
E4	Compressor air exhaust high temp. protection
E5	AC overload protection
E6	Indoor and outdoor units communication malfunction
E8	Anti-high temp. protection
EU	IPM temp. is too high limit/decrease frequency
F1	Indoor ambient sensor open circuit, short circuit
F2	Indoor evaporator sensor circuit open, short circuit
F3	Outdoor ambient sensor circuit open, circuit short
F4	Outdoor condenser sensor open circuit, short circuit
F5	Outdoor air exhaust sensor open circuit, short circuit
F6	Overload limit/descending frequency
F8	Overcurrent need frequency descending
F9	Air exhaust over high need frequency descending
FH	Anti-freezing limit/decrease frequency
H6	Indoor unit motor no feedback
PH	DC generatrix voltage
PL	Low DC Bus voltage protection
U3	DC Bus voltage dips
U7	Four-way valve abnormal
U9	Outdoor unit zero-cross detection error

‍

Multi-Split Wired Controller

Error Code	Meaning
B5	Liquid Valve Temperature Sensor Open/Short circuited (Indoor Unit)
B7	Gas Valve Temperature Sensor Open/Short circuited (Indoor Unit)
DN	Communication Line Disconnected/Expansion Valve Malfunction
E1	High Pressure Prevention System
E2	Anti-freezing Prevention System
E3	Low Pressure Prevention System
E4	Discharge High Temperature Prevention System
E5	Overcurrent Prevention System; Frequency Decreased
E6	Indoor and Outdoor Unit Communication Error
E7	Running Mode Issue
E8	Overload Prevention System; Frequency Decreased
E9	Water Overflow Error (Indoor Unit)
EN	Intelligent Power Module (IPM) Current Prevention System
EU	Intelligent Power Module (IPM) Temperature Prevention System
F1	Room Air Temperature Sensor Open/Short circuited
F2	Evaporator Temperature Sensor Open/Short circuited
F3	Ambient Temperature Sensor Open/Short circuited (Outdoor Unit)
F4	Condenser Temperature Sensor Open/Short circuited (Outdoor Unit)
F5	Discharge Temperature Sensor Open/Short circuited
F6	Overload Protection; Frequency Restricted
F8	Current Protection; Frequency Restricted
FO	System Charge Shortage/Blockage Prevention/Pump Down
F9	High Discharge Temperature; Frequency Restricted
FH	Anti-freezing; Frequency Restricted
H1	Defrosting
H3	Compressor Overheating Preventive
H7	Compressor Desynchronizing
H5	Intelligent Power Module (IPM) Current Protection
H6	Stalled Motor
HE	Compressor Demagnetization Protection
HC	Power Factor Correction (PFC)
L3	Outdoor Fan1 Error
L9	Overpower Protection
LA	Outdoor Fan2 Error
LC	Compressor Startup Failure
LD	Compressor Phase Loss/Reversal
LE	Stalling Compressor
LF	Speeding
LP	Indoor and Outdoor Units Unmatched
P6	Drive Board Communication Error Codes
P9	Alternate Current (AC) Contactor Error Code
PD	Sensor Connection Error Code
PE	Temperature Drift Error Code
PF	Drive Board Temperature Sensor Error Code
PU	Capacitor Charging Error Code
P5	Over Phase Current
P7	Intelligent Power Module (IPM) Temperature Tensor Open/Short Circuited
P8	Intelligent Power Module (IPM) Temperature Protection
PH	Direct Current (DC) Bus Over-Voltage
PL	Direct Current (DC) Bus Under-Voltage
PP	Alternate Current (AC) Input Voltage Error Code
U1	Compressor Phase Current Circuit Error Code
U3	Sensor Connection Error Code
U5	Current Circuit Error Code
U7	4-Way Valve Reversing Error Code
U8	PG Motor Zero-Crossing Protection

‍

2-Trane Mini TVR 5G Error Codes

Normal LED Displays:

1. On Standby: LED screen displays the amount of indoor units communicating with outdoor units.
2. On Operation: LED screen displays the frequency value of the compressor.
3. On Defrost Setting: LED screen displays dF for defrosting.

Indoor Unit

Fault Codes	Meaning
H0	Malfunction or Protection: M_Home unmatching
E0	Malfunction or Protection: EEPROM Fault
E2	Malfunction or Protection: Communication fault of the outdoor chip and the indoor chip
E3	Malfunction or Protection: Main board and IR341 not properly connected
E4	Malfunction or Protection: Outdoor unit sensor fault
E5	Malfunction or Protection: Voltage protection fault from circuit breaker
E6	Malfunction or Protection: Direct-current fan fault
E7	Malfunction or Protection: Heating fan fault in the area A lasts for 5 minutes
E8	Malfunction or Protection: There are two times E6 fault in 10 minutes (recovery will be after power off)
P0	Malfunction or Protection: The cooling fin high temperature protection
P1	Malfunction or Protection: High pressure protection
P2	Malfunction or Protection: Low pressure protection
P3	Malfunction or Protection: Compressor current protection
P4	Malfunction or Protection: Discharge temperature protection
P5	Malfunction or Protection: Outdoor condenser high temperature protection
P6	Malfunction or Protection: IPM modules protection
P7	Malfunction or Protection: Evaporator high temperature protection
P8	Malfunction or Protection: Typhoon protection

‍

Outdoor Unit

Fault Codes	Meaning
E2	Malfunction or Protection: Communication malfunction between indoor/outdoor units
E4	Malfunction or Protection: T3 and T4 temperature sensor malfunction
E5	Malfunction or Protection: Power voltage protection
E6	Malfunction or Protection: Fan Protection
E7	Malfunction or Protection: Compressor discharge temperature sensor malfunction
E9	Malfunction or Protection: EEPROM malfunction
EA	Malfunction or Protection: A fan in the Aregion run for more than 5 minutes in Heat mode
Eb	Malfunction or Protection: 2 times of E6 protection in 10 minutes
H0	Malfunction or Protection: Communication malfunction between IR341/main board
P1	Malfunction or Protection: Hi-pressure protection
P2	Malfunction or Protection: Low-pressure protection
P3	Malfunction or Protection: Input current protection
P4	Malfunction or Protection: Compressor discharge protection temperature
P5	Malfunction or Protection: Condenser high temperature protection
P6	Malfunction or Protection: Inverter module protection
P8	Malfunction or Protection: Typhoon protection
PE	Malfunction or Protection: Indoor evaporator hi-temp protection

• Advantages:
  • Known for durable and reliable products suitable for residential and commercial use.
  • Offers a wide range of energy-efficient models with advanced features.
  • Excellent customer support and warranty coverage.
• Disadvantages:
  • Generally higher initial costs compared to some other brands.
  • Limited availability in certain regions compared to more widely distributed brands.

8. Fujitsu:

• Advantages:
  • Renowned for high-quality and technologically advanced products.
  • Offers a variety of models with features like inverter technology and Wi-Fi connectivity.
  • Excellent energy efficiency ratings and eco-friendly refrigerants.
• Disadvantages:
  • Initial costs may be higher compared to entry-level brands.
  • Availability of service and parts may vary depending on the region.

9. Gree:

Code	Error	Run LED	Cool LED	Heat LED
E1	High Pressure Protection	1
E2	Anti-Freeze Protection	2
E4	Compressor Discharge Temp. Protection	4
E5	AC Overload Protection	5
E6	Indoor/Outdoor Communication	6
E8	Anti High Temp. Protection	8
EE	EEPROM Malfunction			15
EU	IPM temp. High Protection
F1	Indoor Ambient Sensor Open/Short Circuit		1
F2	Indoor Coil Sensor Open/Short Circuit		2
F3	Outdoor Ambient Sensor Open/Short Circuit		3
F4	Outdoor Coil Sensor Open/Short Circuit		4
F5	Compressor Discharge Sensor Open/Short		5
F6	Overload Limit Descending Frequency		6
F8	Overload Current Descending Frequency		8
F9	Exhaust Air High Descending Frequency		9
FH	Anti Freeze Limit Descending Frequency
H1	Defrosting			1
H2	Electrostatic Dust Protection			2
H3	Compressor Overload Protection			3
H4	System Operation Abnormal			4
H5	IPM Protection			5
H6	Indoor Fan Motor Malfunction	11
H7	Compressor			7
HC	PFC Protection
HO	Heating Anti Temp. Declines	10		10
L3	Fan Module Protection
Lc	Startup Failure	11
P5	Compressor Over Current Protection		15
P7	Module Sensor Circuit	18		18
P8	IPM Module High Temp Protection	19		19
PH	DC Voltage High	11	11
PU	Capacitor Charge Malfunction	17		17
PL	Low DC Bus Voltage Protection	21		21
U1	Compressor Current Circuit Malfunction	13		13
U3	DC Bus Voltage Fluctuating	20		20
U7	Reversing Valve Malfunction
U9	Outdoor Unit Zero Cross Over Error
C5	PCB Jumper Wire Cap Malfunction	15		15

• Advantages:
  • Offers a wide range of affordable AC units with various features and capacities.
  • Known for innovative technologies such as Gree’s G10 inverter compressor.
  • Many models come with advanced features like self-cleaning and air purification.
• Disadvantages:
  • May not have the same reputation for reliability and longevity as some other brands.
  • Limited availability of high-capacity units for commercial applications.

10. Rheem:

• Advantages:
  • Well-established brand with a reputation for quality and reliability.
  • Offers a variety of AC units suitable for residential and commercial use.
  • Known for energy-efficient models that can help reduce energy bills.
• Disadvantages:
  • Higher initial costs compared to some budget-friendly brands.
  • Availability of service and parts may vary depending on the region.

11. York:

York Air Conditioning Error Codes 

CODE	RESULT
E0	Indoor EEPROM error (Electrically Erasable Programmable Read-Only Memory)
E1	Indoor and outdoor unit communication malfunction
E3	Indoor fan speed malfunction
E4	Indoor room temperature sensor error
E5	Evaporator coil temperature sensor error
EC	Refrigerant leak detection system malfunction
EE	Water level alarm malfunction
E8	Dual indoor unit (twin model only) communication malfunction
E9	Other twin model malfunction
F0	Overload protection
F1	Outdoor temperature sensor error
F2	Outdoor condenser pipe sensor error
F3	Discharge air temperature sensor error
F4	Outdoor EEPROM error (Electrically Erasable Programmable Read-Only Memory)
F5	Outdoor fan speed (DC fan motor only) malfunction
F6	T2b sensor error
F7	Auto-lifting panel communication error
F8	Auto-lifting panel malfunction
F9	Auto-lifting panel is open
P0	Inverter module IPM protection
P1	High/Low voltage protection
P2	Compressor top overheating protection
P3	Outdoor low temperature protection
P4	Compressor drive error
P5	Mode conflict
P6	Compressor low-pressure protection
P7	Outdoor IGBT sensor error

York Central Controller Fault Codes

CODE	RESULT
H3	Outdoor adding malfunction (valid for host unit)
H2	Outdoor decreasing malfunction (valid for host unit)
H1	Net communication malfunction
EF	Other malfunction
E4, T4	Temp. Sensor malfunction
E3, T3	Temp. Sensor malfunction
E2	Sensor malfunction
E1, E0	Communication malfunction Phase sequence or lack of phase
PF	Other Protection
PE	Oil Balance
PD	Oil Return
PA	Defrost Protection
P8	Compressor Current 3rd Protection
P7	Compressor Current 2nd Protection
P5	Condenser High Temp. Protection
P4	Discharge Pipe Temp. Protection
P3	Compressor Current 1st Protection
P2	Discharge Low-pressure Protection
P1, P0	Discharge High-pressure Protection Compressor High Temp. Protection

Malfunction Code Of Outdoor Unit

CODE	RESULT
E1	Phase sequence error
E2	Communication malfunction between indoor/outdoor units
E3	T3 temperature sensor malfunction
E4	T4 temperature sensor malfunction
E5	T5 temperature sensor malfunction
E6	Water-level alarm malfunction

York Central Air Conditioning Error Codes

CODE	RESULT
EF	Other malfunction PF Other Protection.
EE	Water level checking malfunction PE Reserve.
ED	Outdoor protection PD Reserve.
EC	Clear malfunction PC Reserve.
EB	Inverter Module Protection PB Reserve.
EA	Compressor Over-current (4 times) PA Reserve.
E9	Communication malfunction between PCB and Display board P9 Reserve.
E8	Fan motor checking out of control P8 Compressor Over-current.
E7	EEPROM malfunction P7 Power Lack/Over Volt Protection.
E6	Over-zero checking malfunction P6 Discharge Low-pressure Protection.
E5	T3 sensor malfunction P5 Discharge High-pressure Protection.
E4	T2B sensor malfunction P4 Discharge Pipe Temp. Protection.
E3	T2A sensor malfunction P3 Compressor Temp. Protection.
E2	T1 sensor malfunction P2 Condenser High Temp. Protection.
E1	Communication malfunction P1 Anti-cooling or Defrost Protection.
E0	Phase sequence or lack of phase P0 Evaporator Temp. Protection.
03#	CCM/PC(gateway) Communication Malfunction.
02#	CCM/Function Module Communication Malfunction.
01#	CCM/NIM Communication Malfunction.
00#	CCM/PCB Communication Malfunction.

York Wall Mounted Type AC Error Codes

CODE	RESULT
E7	Communication fault between indoor and outdoor units
E1	Room temperature sensor failure
E4	Indoor EEPROM error
E14	Indoor fan motor malfunction
F12	Outdoor EEPROM error
F1	Protection of IPM
F22	Overcurrent protection of AC electricity for the outdoor model
F3	Communication fault between the IPM and outdoor PCB
F19	Power voltage is too high or low
F4	Overheat protection for Discharge temperature
F8	Outdoor DC fan motor fault
F21	Defrost temperature sensor failure
F7	Suction temperature sensor failure
F6	Ambient temperature sensor failure
F25	Discharge temperature sensor failure
F11	Deviate from the normal for the compressor
F28	Loop of the station detect error
F2	Overcurrent of the compressor
F23	Overcurrent protection for single-phase of the compressor

• Advantages:
  • Offers a wide range of AC units suitable for various applications and budgets.
  • Known for durable and reliable products with good performance.
  • Some models feature advanced technologies for improved energy efficiency.
  • Offers a wide range of AC units suitable for various applications and budgets.
  • Known for durable and reliable products with good performance.
  • Some models feature advanced technologies for improved energy efficiency.
• Disadvantages:
  • May not have the same brand recognition or reputation as some other competitors.
  • Availability of service and parts may vary depending on the region.

12. Haier: 

2017 and newer models:

Error Code	Meaning/Reason	Possible Solutions
E1	Tube temperature / coil pipe sensor failure	Check tube temperature / coil pipe sensor and related circuits. Replacement of appliance may be required.
E2	Room temperature sensor failure	Check room temperature sensor and related circuits. Replacement of appliance may be required.
E4	Anti-freeze protection issue	Restore the functions once the anti-freeze protection is over. Replacement of appliance may be required.
FL	The water chassis is full	Drain the water and re-start the unit.

 2016 and older models:

Fault Code	Description/Reason	Possible Solutions
E0	Indicates incoming power issues, such as a low voltage condition or excessive power consumption.	Unplug the unit for 10 minutes. Replacement may be required.
E1	Indicates a stuck button on the front panel key pad.	Unplug unit and press each button firmly to reset the switches. Then, plug the unit back into the power supply. Replacement may be required
E4	Unit has a tank built-in that must be emptied periodically. E4 indicates the tank float is stuck.	Open the water tank and verify no debris is blocking the operation of the float.
STOP	Unit has a tank built-in that must be emptied periodically. STOP indicates the tank must be emptied or tank float is stuck. Unit will not run while STOP appears.	Empty the tank. Open the water reservoir and verify no debris is blocking the operation of the float.
High Temp	Appears when ambient room temperature is over 99°F.	If the ambient temperature is not above 99°F, then replacement may be required.

• Advantages:
  • Offers a diverse range of affordable AC units with various features and capacities.
  • Known for innovative technologies such as Haier’s self-cleaning feature.
  • Many models come with advanced features like Wi-Fi connectivity and voice control.
• Disadvantages:
  • May not have the same reputation for reliability and longevity as some other brands.
  • Limited availability of high-capacity units for commercial applications.

13. Sharp:

Error Code	Content of Diagnosis
1-0	Heat exchanger thermistor short circuit error
1-1	Outdoor temperature thermistor short circuit error
1-2	Suction thermistor short circuit error
1-3	2-way valve thermistor short circuit error
1-4	Heat sink thermistor short circuit error
2-0	Compressor high temperature error
2-1	Compressor discharge overheat
2-2	Outdoor unit heat exchanger overheat
2-3	Indoor unit heat exchanger overheat
2-4	IPM high temperature error
2-5	IPM high temperature error
3-0	Temporary stop due to dehumidifying operation
5-0	Heat exchanger thermistor open circuit error
5-1	Outdoor temperature thermistor open circuit error
5-2	Suction thermistor open circuit error
5-3	2-way valve thermistor open circuit error
5-4	Discharge thermistor open circuit error
5-5	Heat sink thermistor open circuit error
6-0	DC over current error
6-1	IPM pin level error
7-0	AC over current error
7-1	AC current error when OFF
7-2	AC maximum current error
7-3	AC current deficiency error
9-0	Thermistor installation error or 4-way valve error
9-3	Compressor torque control error
9-4	4-way valve error or Gas leak error
9-5	2-way valve and 3-way valve close error
9-6	Solenoid valve error
10-0	EEPROM (Outdoor) data error
10-1	EEPROM (Outdoor) data error
10-2	CPU (Outdoor) RAM data error
11-0	Outdoor unit DC fan rotation error
11-1	Outdoor unit DC fan driver IC error
11-2	Outdoor unit DC fan lock error
11-3	Detection error of DC fan negative rotation before compressor is driven
11-4	Detection error of inverter current for DC fan
11-5	Outdoor unit DC fan open connector error
12-0	Thermal fuse error in terminal board (for power supply)
13-0	Compressor startup error
13-1	Compressor rotation error (At 120°energizing)
13-2	Compressor rotation error (At 180°energizing)
13-3	Detection error of inverter current
14-0	PAM over voltage error
14-1	PAM clock error
14-2	PAM under voltage error
14-4	PFC Module error
17-0	Serial open-circuit
18-0	Serial short-circuit
18-1	Serial erroneous wiring
18-2	High speed serial communication error
19-0	Indoor unit fan error
20-0	EEPROM data error
20-1	External EEPROM initial data reading error
20-2	External EEPROM verify error
20-3	External EEPROM communication error
21-0	Incomplete closing of louver cover or louver closing lever
22-0	Plasmacluster connecting error
22-1	Lock On Sensor error
22-2	Over time of accumulated plasmacluster operation time
23-0	Wrong connect to 200V AC
24-0	Wireless lan module communication error
24-1	Connecting error with wireless lan router
24-2	Internet condition error
24-3	Connecting error with server
25-1	AC clock error
26-1	Indoor unit room temperature thermistor
26-2	Indoor unit pipe temperature thermistor
28-0	Initial error filter cleaning operation
28-1	Error during filter cleaning operation
28-2	Incomplete closing of open panel or front panel, or air filter installation error
29-0	Panel cannot open
29-1	Panel cannot close
31-0	Sub microcomputer error
31-6	Sub microcomputer error
31-7	Sub microcomputer error

• Advantages:
  • Known for producing energy-efficient and environmentally friendly AC units.
  • Offers a range of products from basic models to advanced inverter technology.
  • Many models come with additional features like air purifiers and plasmacluster ion technology.
• Disadvantages:
  • Higher initial costs for premium models with advanced features.
  • Some customers may experience issues with availability of service and parts in certain regions.

14. Hisense:

Parameter Code	Parameter Description	Parameter Value & Representation	Data Note	Type Representation (Function Code)
1	Self Recovery of Power Break	0: Cancel Self Recovery of Power Break function; 1: Self Recovery of Power Break; others: invalid	Integer
2	Temperature Type	0: Centigrade Temperature; 1: Fahrenheit Temperature; others: invalid	Integer
3	Temperature Display Type	0: Default display set temperature; 1: Default display room temperature; others: invalid	Integer
4	Ratio of ambient temperature sensed by indoor sensor	Integer 0-10 valid, more than 10 default is 10; 0: 0%; 1: 10%; …; 10: 100%; 0 – entirely use temperature sensed by wired remote controller; 10 – entirely use temperature sensed by indoor unit	Integer
5	Filter Cleaning Indication	0: Cancel Filter Cleaning prompt function; 1: Set Filter Cleaning prompt function; others: invalid	Integer
6	Filter Cleaning Time Setting	Integer 0-32, more than 32 default is 32*1000h	Integer
7	Installation Height	Integer 0-10m, more than 10m default is 10	Integer
8	Cooling Temperature Compensation (indoor sensor)	Integer 0: 0℃; 1: -0.5℃; 2: -1℃; …; 10: -5℃ (the wired controller displays integer with the symbol)	Integer
9	Heating Temperature Compensation (indoor sensor)	Integer 0: 0℃; 1: -0.5℃; 2: -1℃; …; 10: -5℃ (the wired controller displays integer with the symbol)	Integer
10	Static Pressure Setting	Integer 1-240, function code=static pressure more than the limit static pressure default the limit static pressure, Default is 0	Integer (default static pressure, related to models)
12	Ratio of temperature sensed by indoor sensor (Heating)	Integer 0-10 valid, more than 10 default is 10; 0: 0%; 1: 10%; …; 10: 100%; 0 – entirely use temperature sensed by wired remote controller; 10 – entirely use temperature sensed by indoor unit	Integer
13	Temperature Adjustment – Cooling Character	-10~10℃ (Single Character with symbol)	Temperature displayed on wired controller
14	Temperature Adjustment – Heating Character	-10~10℃ (Single Character with symbol)	Temperature displayed on wired controller
25	Access control, fire protection, ON/OFF function set	=0: Access control, fire protection functions are all disabled; =1: Access control function is enabled; =2: Fire protection function is enabled; =3: Access control, fire protection are all enabled; =4: ON/OFF function are all enabled.	Integer

• Advantages:
  • Offers a wide range of budget-friendly AC units with various features and capacities.
  • Known for innovative technologies such as Hisense’s smart air conditioning systems.
  • Some models come with advanced features like sleep mode and turbo cooling.
• Disadvantages:
  • May not have the same brand recognition or reputation as some other competitors.
  • Reliability and durability may vary depending on the model and usage conditions.

15. Electrolux:

Error Code	Causes	Solutions
E1	– Issues with room temperature sensor	– Check the resistance of the sensor and replace if weak or incompatible<br>- Ensure sensor is adjusted correctly and connected to main PCB<br>- Inspect wiring and connections, repair or replace if damaged or loose<br>- Replace sensor if malfunctioning<br>- Check main PCB for issues, replace if defective
E2	– System in protection mode against freezing or defrosting<br>- Clogging of dirt or debris in components<br>- Low refrigerant level<br>- Faulty fan	– Let unit operate for a few minutes to complete defrosting<br>- Clean condenser, cooling coils, and blowers<br>- Refill refrigerant if low<br>- Ensure fan is running smoothly and repair or replace if defective
E3	– Blocked or leaked refrigerant gas	– Clean condenser coils and related components<br>- Repair refrigerant leakages<br>- Refill gas if level is low
E4	– Protection mode against high compressor temperature<br>- Clogged or dirty air filters and heat exchangers<br>- Malfunctioning temperature sensor on compressor	– Clean air filters and heat exchangers<br>- Inspect and replace malfunctioning temperature sensor<br>- Check main PCB and replace if malfunctioning
E5	– AC supplied with over-current	– Check main power cord for issues and repair if damaged<br>- Inspect and repair or replace main circuit capacitor<br>- Check power transistor of AC compressor and repair or replace if defective<br>- Inspect power supply and repair if defective<br>- Check main PCB and replace if faulty
E6, LP	– Indoor and outdoor units unable to communicate<br>- Issues with wiring and connections<br>- Main PCB malfunctioning	– Turn OFF AC for 1-3 minutes and restart to check if error resolves<br>- Repair communication wire if defective<br>- Repair broken or loose wiring and connections<br>- Check main PCB of both units and replace if malfunctioning
E8, H4, EU	– Unit running at high environmental temperature	– Check ambient temperature and ensure it stays below 90°F<br>- Replace ambient temperature sensor if malfunctioning<br>- Clean air filters, air inlets, and exhaust ports to remove debris<br>- Ensure proper airflow to the system
EE	– Defective EEPROM chip	– Check EEPROM and replace control board or main PCB if defective<br>- Reprogram EEPROM with professional help if empty<br>- Check main PCB for issues and repair or replace as needed
F0	– Accumulation of refrigerant subatmospheres	– Check refrigerant level and refill if low<br>- Inspect refrigerant system for clogs or obstructions and repair as needed
F1	– Room sensor malfunctioning	– Try solutions for Error Code E1
F2	– Pipe sensor malfunctioning	– Try solutions for Error Code E1
F3	– Outdoor unit sensor malfunctioning	– Try solutions for Error Code E1
F4	– Issues with outdoor unit pipe sensor	– Try solutions for Error Code E1
F5	– Discharge sensor malfunctioning	– Try solutions for Error Code E1
F6	– System overloading	– Turn OFF system and inspect power cords and main wires for repairs
F8	– Overcurrent or collapse limit detected	– Turn OFF system and check fuses, wire harness, and circuit breakers
F9	– Discharge temperature exceeding normal limit	– Turn OFF AC and clean exhaust ports, evaporator, and air filter<br>- Repair wire harness of discharge temperature sensor<br>- Replace discharge temperature sensor if defective
FH	– Environmental temperature below 60°F	– Turn OFF system and wait for ice on coils to melt<br>- Run fan at full speed and ensure proper airflow
H1	– System in defrost mode	– Try solutions for Error Code E2
H3	– Overload protection mode activated	– Energize AC multiple times until overload protection deactivates<br>- Check voltages and supply
H5	– Protection mode for IPM module activated	– Turn OFF unit and restart to check if error resolves<br>- Check power supply and wiring connections
H6	– PCB not receiving response from cooling fan motor	– Check signal-receiving scenario and repair as needed<br>- Inspect wire harness and repair damaged wires<br>- Check main PCB and replace if malfunctioning
HC	– Issues with PFC functioning	– Check PFC module and sensor, position correctly and repair as needed<br>- Check mainboard for issues and replace as needed
L3	– Outdoor unit fan motor malfunctioning	– Check wiring and connections for repairs<br>- Inspect fan motor drivers and replace if defective<br>- Check main PCB and replace as needed
LU	– Power warning	– Check fuses, circuit breakers, and power cords for repairs
P0, P1, P2, P3	– Compressor frequency test-run mode	– Contact technical support for guidance
U7	– Issues with 4-way valve or thermistor	– Check valve connectors and repair as needed<br>- Inspect thermistor and coil, replace if defective<br>- Check main PCB and replace if faulty

• Advantages:
  • Well-known brand with a reputation for quality and innovation.
  • Offers a variety of AC units suitable for residential and commercial use.
  • Known for energy-efficient models that can help reduce energy bills.
• Disadvantages:
  • Higher initial costs compared to some budget-friendly brands.
  • Availability of service and parts may vary depending on the region.

16. Whirlpool:

CODE	RESULT
UA	Setting error, indoor and outdoor unit abnormal
E6	Communication malfunction
PL	DC input voltage is too low
PH	DC input voltage is too high
F0	Lack of Freon or block protection
P7	Temperature sensor malfunction of carbon fin
UU	DC overcurrent
P8	Overheat of carbon fin
F4	Break-circuit and short-circuit of outdoor condenser temperature sensor
F5	Break-circuit and short-circuit of outdoor discharge temperature sensor
E4	Discharge protection of compressor
F3	Outdoor ambient temperature sensor malfunction
U5	Current diction malfunction of complete unit
H7	Sync failure
EE	Storage slug. Indoor PCB malfunction
E2	Anti-freezing protection
H4	Overload of system
H6	No motor of indoor unit feedback
F2	Indoor pipe temperature sensor malfunction
F1	Internal ambient temperature sensor malfunction
UF	Zero passage abnormal
H3	Overload of compressor
LC	Startup failure
UH	No motor of outdoor unit feedback
E5	Overcurrent protection
U7	4-way valve conversion abnormal
U1	Phase current detection malfunction of compressor

• Advantages:
  • Well-established brand known for quality and reliability.
  • Offers a variety of AC units suitable for residential and commercial use.
  • Some models feature advanced technologies for improved energy efficiency.
• Disadvantages:
  • Higher initial costs compared to some budget-friendly brands.
  • Availability of service and parts may vary depending on the region.

17. Toshiba:

Block	Distinction	Operation of Diagnosis Function	Check	Judgment and Action
Air conditioner status	Indoor P.C. board etc.	Short-circuit or disconnection of the room temperature sensor (TA sensor)	Operation continues. Displayed when error is detected.	1) Check the room temp. sensor. 2) When the room temp. sensor is normal, check P.C. board.
Air conditioner status	Indoor P.C. board etc.	Being out of place, disconnection, short-circuit, or migration of heat exchanger sensor (TC sensor)	Operation continues. Displayed when error is detected.	1) Check heat exchanger sensor. 2) When heat exchanger sensor is normal, check P.C. board.
Air conditioner status	Indoor P.C. board etc.	Being out of place, disconnection, short-circuit, or migration of heat exchanger sensor (TCj sensor)	Operation continues. Displayed when error is detected.	1) Check heat exchanger sensor. 2) When heat exchanger sensor is normal, check P.C. board.
Air conditioner status	Indoor P.C. board etc.	Lock of indoor fan or trouble on the indoor fan circuit	All off Displayed when error is detected.	1) Check the motor. 2) When the motor is normal, check P.C. board.
Air conditioner status	Indoor P.C. board etc.	Trouble on other indoor P.C. boards	Operation continues. Displayed when error is detected.	1) Replace P.C. board.
Connecting cable and serial signal	Return serial signal is not sent to indoor side from operation started	Defective wiring of connecting cable Operation of compressor thermo Gas shortage Gas leak Operation continues. Flashes when trouble is detected on Return serial signal, and normal status when signal is reset.	1) When the outdoor unit never operates: • Check connecting cable, and correct if defective wiring. • Check 25A fuse of inverter P.C. board. • Check 6.3A fuse of connecting cable of inverter unit and outdoor unit. 2) To display [Other] block during operation, check compressor thermo. operation and supply gas (check gas leak also). 3) Unit operates normally during check. If return serial signal does not stop between indoor terminal board 2 and 3, replace inverter P.C. board. If signal stops between indoor terminal board 2 and 3, replace indoor P.C. board.
Outdoor P.C. board	Inverter over-current protective circuit operates (Short time)	All off Displayed when error is detected. Even if trying operation again, all operations stop immediately.	Replace P.C. board.
Outdoor P.C. board	Position-detect circuit error or short-circuit between windings of compressor	All off Displayed when error is detected.	1) Even if connecting lead wire of compressor is removed, position detect circuit error occurred. Replace P.C. board. 2) Measure resistance between wires of compressor, and perform short-circuit. Replace compressor.
Outdoor P.C. board	Current-detect circuit error	All off Displayed when error is detected. Even if trying operation again, all operations stop immediately.	Replace P.C. board.
Outdoor P.C. board	Being out of place, disconnection or short-circuit of the outdoor heat exchanger sensor (TE) or suction temp. sensor (TS)	All off Displayed when error is detected.	1) Check sensors (TE, TS). 2) Check P.C. board.
Outdoor P.C. board	Disconnection or short-circuit of discharge temp. sensor	All off Displayed when error is detected.	1. Check discharge temp. sensor (TD). 2. Check P.C. board
Outdoor P.C. board	Outdoor fan drive system error	All off Displayed when error is detected.	Position-detect error, over-current protective operation of outdoor fan drive system, fan lock, etc. Replace P.C. board or fan motor.
Outdoor P.C. board	Being out of place, disconnection or short-circuit of the outdoor temp. sensor (TO)	Operation continues.	—— 1. Check outdoor temp. sensor (TO). 2. Check P.C. board.
Outdoor P.C. board	Compressor drive output error, Compressor error (lock, missing, etc.), Breakdown	All off Displayed when error is detected.	1) Check power voltage. (220–230–240 V +10%) 2) Overload operation of refrigeration cycle Check installation condition (Short circuit of outdoor diffuser). 3) When 20 seconds passed after start-up, position-detect circuit error occurred. Replace compressor.
Trouble on P.M.V. Others (including compressor)	Return serial signal has been sent when operation started, but it is not sent from halfway	Compressor thermo. operation Gas shortage Gas leak Instantaneous power failure Operation continues. Flashes when trouble is detected on return serial signal, and normal status when signal is reset.	1) Repeat Start and Stop with interval of approx. 10 to 40 minutes. (Code is not displayed during operation.) Supply gas. (Check also gas leak). 2) Unit operates normally during check. If return serial signal does not stop between indoor terminal block 2 and 3, replace inverter P.C. board. If signal stops between indoor terminal block 2 and 3, replace indoor P.C. board.
Trouble on P.M.V. Others (including compressor)	Compressor does not rotate. (Current protective circuit does not operate when a specified time passed after compressor had been activated.)	All off Displayed when error is detected.	1) Trouble on compressor 2) Trouble on wiring of compressor (Missed phase)
Trouble on P.M.V. Others (including compressor)	Discharge temp. exceeded 117°C	All off Displayed when error is detected.	1) Check discharge temp. sensor (TD). 2) Gas leakage 3) Trouble on P.M.V.
Trouble on P.M.V. Others (including compressor)	Breakdown of compressor	All off Displayed when error is detected.	1) Check power voltage. (220–230–240 V +10%) 2) Overload operation of refrigeration cycle Check installation condition (Short circuit of outdoor diffuser).
Trouble on P.M.V. Others (including compressor)	4-way valve inverse error (TC sensor value lowered during heating operation.)	Operation continues.	—— 1) Check 4-way valve operation.

• Advantages:
  • Renowned for high-quality and technologically advanced products.
  • Offers a range of models with features like inverter technology and air purification.
  • Excellent energy efficiency ratings and eco-friendly refrigerants.
• Disadvantages:
  • Initial costs may be higher compared to entry-level brands.
  • Availability of service and parts may vary depending on the region.

18. Amana:

How to Display Amana Air Conditioner Error Code

The Amana line of air conditioners will not automatically display the error code on its LED screen. You will need to set the air conditioner to its diagnostic mode before identifying the error code. Here’s how:

1. Press and hold the UP/+ and DOWN/- buttons on your wireless remote thermostat, remote control, or control pad.
2. Press the COOL button twice while holding the UP/+ and DOWN/- buttons.

The air conditioner should go into diagnostic mode, and display any error codes related to any issues detected by the unit. If the display reads two dashes (–), then it means the air conditioner has not detected any issue with your unit.

Amana Air Conditioner Error Codes

Amana Air Conditioner Error Codes – System Mode

Error Code	Meaning	Solution
FP	Freeze Protection.	No action. The unit will resume normal operations once the thermistor reads an internal temperature above 43 ℉.
EH	Emergency Hydronic Mode. Re-open the emergency hydronic switch.	Re-open the emergency hydronic switch.
Eo	Service Board Not Configured.	Change the setting to “H” (heating mode).
Fd	Front Desk Switch.	Re-open the switch.
HP	Heat Sentinel Mode.	No action. Unit should move out of this mode automatically.
LS	Load Shedding Mode.	Re-open the LS switch on the unit.
On	Wired Thermostat Configuration.	Change the setting of your wired thermostat to the proper settings.
oP/nP	Open Door or Window Lockout Mode.	Close the door or window.
Ur	Un-Rented Mode	Contact the front desk to switch the status to “rented.”

‍

Amana Air Conditioner Error Codes – System Failure Error Codes

Error Code	Meaning	Solution
Br	Brown Out Protection	Check and adjust proper voltage levels. Contact a professional for safety.
H1	High Voltage Protection. Power supply voltage is high.	Shut off unit, and contact an electrician.
F3	Black Indoor Ambient Thermistor Failure	Replace thermistor.
F4	Red Indoor Coil Thermistor Failure	Replace thermistor.
F6	Yellow Indoor Discharge Thermistor Failure	Replace thermistor.
Fb	Low Remote Battery	Change remote control batteries.
F1	Thermistor and Thermostat Failure	Replace faulty components.
F2	Wireless Remote Thermostat Failure	Replace wireless remote thermostat.
F5	Wireless Thermostat Failure	Replace wireless thermostat.

‍

Air Circulation Error Codes

Error Code	Meaning	Solution
C2	Indoor Air Recirculation	Check the seal around your unit, remove any blockage from the vents, and clean the air filter.
C5	Outdoor Coil Heat Warning	Remove any blockage from the outdoor coils.
L6	Discharge Air Heat Warning	Clean the air filters.
LC	Outdoor Coil Thermistor (Red) Heat Warning	Clean the condenser coils.

‍

Cooling Mode Error Codes

Error Code	Meaning	Solution
C1	Indoor Coil Freeze Warning	Check for refrigerant leak causing low refrigerant levels.
C3	Indoor Coil Freeze Warning	Check for refrigerant leak causing low refrigerant levels.
C4	Indoor Coil Freeze Warning	Check for refrigerant leak causing low refrigerant levels.
C6	Poor Unit Performance	Have the unit professionally cleaned and inspected for faulty components.
C7	Indoor Freezing Lockout	Check for refrigerant leak causing low refrigerant levels.

‍

Amana Furnace Error Codes

LED Error Code	Meaning
One Flash; Continuous	No signal from thermostat. Turn off power and check connections or replace wireless thermostat.
One Flash	Furnace lockout after three attempts to fire. Compressor and electric heat my be switched off.
Two Flashes	Draft Inducer not working or shorted or failed pressure switch.
Three Flashes	Open pressure switch.
Four Flashes	Open primary limit switch due to faulty wiring or bad filters.
Five Flashes	Sensing flame without a call for heat due to possible slow closing valve.
Seven Flashes	Faulty flame sensor.
Eight Flashes	Faulty igniter.
Continuous Flashes	Reverse polarity. Check wiring diagram or replace wireless thermostat.

• Advantages:
  • Known for producing durable and reliable products.
  • Offers a variety of AC units suitable for residential and commercial use.
  • Some models feature advanced technologies for improved comfort and energy efficiency.
• Disadvantages:
  • May not have the same brand recognition as some other competitors.
  • Availability of service and parts may vary depending on the region.

19. Lennox:

Error Code	Cause
E0	EEPROM parameter error
E1	Indoor/outdoor units communication protection
E2	Zero-crossing signal error
E3	Indoor fan speed out of control
E5	Open or short circuit of outdoor temperature sensor or outdoor unit EEPROM parameter error
E6	Open or short circuit of room or evaporator temperature sensor
E7	Outdoor fan speed out of control
P0	IBM malfunction or IGBT over-strong current protection
P1	Overvoltage or too low voltage protection
P2	Temperature protection of compressor top
P4	Inverter compressor drive error
F1	Return air temperature sensor open/short-circuited
P6	Drive board communication error
F2	Evaporator temperature sensor open/short-circuited
H3	Compressor overheating protection
b5	Indoor unit liquid valve temperature sensor open/short circuited
LP	Indoor and outdoor units unmatched
b7	Indoor gas valve temperature sensor open/short-circuited
dn	Communication line misconnected or expansion valve error
P7	IPM temperature sensor open/short-circuited
F3	Outdoor ambient temperature sensor open/short-circuited
Fo	Pump-down
F4	Outdoor unit condenser mid-tube temperature sensor open/short circuited
C5	Jumper error
F5	Discharge temperature sensor open/short-circuited
H1	Forced defrosting
E6	Indoor and outdoor communication error
Lc	Compressor start-up failure
PL	DC bus under-voltage protection
E4	High discharge temperature protection
PH	DC bus over-voltage protection
E8	Overload protection
U1	Compressor phase current sensing circuit error
E5	Whole unit over-current protection
HE	Compressor demagnetization protection
P5	Over phase current protection
Hc	PFC protection
H7	Compressor desynchronizing
P8	IPM Temperature Protection
H5	IPM Current protection
L9	Over-power protection
Ld	Compressor phase loss/reversal protection
F0	System charge shortage or blockage protection
F8	Frequency restricted/reduced with whole unit current protection
PU	Capacitor charging error
IPM	Frequency restricted/reduced with En: Current protection
E1	High pressure protection
F9	Frequency restricted/reduced with high discharge temperature
E3	Low pressure protection
FH	Frequency restricted/reduced with anti-freezing protection
LE	Compressor stalling
F6	Frequency restricted/reduced with overload protection
LF	Over-speeding
EU	Frequency restricted/reduced with IPM temperature protection
PF	Drive board temperature sensor error
E9	Indoor unit full water error
P9	AC contactor protection
E2	Anti-freezing protection
PE	Temperature drift protection
PP	AC input voltage abnormal
Pd	Sensor connection protection
U5	Whole unit current sensing circuit error
U3	DC bus voltage drop error
U7	4-way valve reversing error
L3	Outdoor fan 1 error protection
H6	Motor stalling
LA	Outdoor fan 2 error protection
U8	PG motor zero-crossing protection
EO	Outdoor EEPROM error
EE	EEPROM failure
EC	Low refrigerant
HC	Power factor correction protection
LP	Indoor and outdoor unit mismatch
Lpe	Inverter module (IPM) error
EO	Outdoor EEPROM error
EC	Low refrigerant
EE	High water level alarm
U3	Outdoor unit low temperature lockout
U8	Compressor high-pressure or low-pressure switch open

Lennox Air Conditioner Mini Split Error Codes

Lennox MS8 SERIES AC Error Codes

Error Code	Cause
C5	Indoor control jumper is missing
E0	EEPROM failure
EE	EEPROM failure
E1	Communication failure between indoor unit and outdoor unit
E2	Indoor coil freeze protection – All system functions are terminated except indoor fan
E3	Outdoor coil blockage or low refrigerant due to leak
E4	Discharge line temperature protection
E5	Compressor overcurrent protection
E6	Communication failure between indoor unit and outdoor unit
FH	Anti-freezing upper and lower limit range
FO	Indoor coil is gathering refrigerant
F1	Indoor ambient sensor (RT1) open or short-circuited
F2	Indoor coil sensor (RT2) open or short-circuited
F3	Outdoor ambient sensor (RT4) open or short circuit
F4	Outdoor coil sensor (RT3) open or short circuit
F5	Discharge line sensor (RT5) error
F6	Compressor overload limit issue
F8	High current limit issue
F9	Discharge line temperature too high
HC	Power factor correction protection
H1	Defrosting (heat pump only)
H3	Compressor overload protection sensor (CT1.2) malfunction
H4	Compressor high temperature protection
H5	Intelligent Power Module (IPM) module protection
H6	Indoor fan not communicating
LP	Indoor and outdoor unit mismatch
L3	Outdoor DC fan motor malfunction
L9	Power factor protection
PH	High voltage protection
PL	Low voltage protection

Error Code	Cause
EO	Outdoor EEPROM error
E2	Communication error between outdoor unit and all indoor units
E3	Communication error between outdoor unit main control and IPM control
E4	Temp sensor error
E5	High or Low voltage protection
E8	Outdoor DC fan speed error
F1	Indoor unit #1 coil outlet temp, sensor error
F2	Indoor unit #2 coil outlet temp, sensor error
F3	Indoor unit #3 coil outlet temp, sensor error
F4	Indoor unit #4 coil outlet temp, sensor error
F5	Indoor unit #5 coil outlet temp, sensor error
F6	Indoor unit #6 coil outlet temp, sensor error
P1	High pressure switch open
P2	Low pressure switch open
P3	Outdoor Compressor current overload sensed
P4	High temperature sensed at compressor discharge line
P5	High temperature sensed at outdoor coil
Lpe	Inverter module (IPM) error

Lennox Universal Mini-Split Error Codes

Error Code	Cause
E0	Indoor unit EEPROM error
E1	Communication error between indoor unit and outdoor units
E3	Indoor fan speed error
E4	Indoor Return air temperature sensor error
E5	Indoor coil temperature sensor error
EC	Low refrigerant
EE	High water level alarm
F0	Outdoor current overload sensed
F1	Outdoor ambient temperature sensor error
F2	Outdoor coil temperature sensor error
F3	Compressor discharge temperature sensor error
F4	Outdoor unit EEPROM error
F5	Outdoor unit fan speed error
P0	Inverter module IPM error
P1	High or Low voltage protection
P3	Outdoor unit low temperature lockout
P4	Compressor drive error
P6	Compressor high-pressure or low-pressure switch open

• Advantages:
  • Well-established brand with a reputation for quality and innovation.
  • Offers a variety of AC units suitable for residential and commercial use.
  • Known for energy-efficient models that can help reduce energy bills.
• Disadvantages:
  • Higher initial costs compared to some budget-friendly brands.
  • Availability of service and parts may vary depending on the region.

20. American Standard:

CODE	RESULT
Green light on, slow flashing, or fast flashing	Unit is operating normally.
Amber light on	Unit requires refrigerant.
Red 1 flash	Communication error.
Red 2, 3, and 4 flashes	Defrost fault.
Red 5 flash	Fault with the ambient temperature sensor.
Red 6 flash	Fault with the coil temperature sensor.
Red 7 flash	Low-pressure problem.
Red 13 flash	Fault with the external temperature sensor.
Red 17 flash	High-pressure problem.

• Advantages:
  • Known for producing durable and reliable products.
  • Offers a variety of AC units suitable for residential and commercial use.
  • Some models feature advanced technologies for improved comfort and energy efficiency.
• Disadvantages:
  • May not have the same brand recognition as some other competitors.
  • Availability of service and parts may vary depending on the region.

Frequently Asked Questions (FAQ) about AC Repairing:

How to Learn AC Repairing AC PCB And Error Code:

Q: How can I start learning AC repairing AC PCB And Error Code?

A: Begin by understanding the basics of air conditioning systems and familiarize yourself with common AC problems and troubleshooting techniques. Consider enrolling in online courses or apprenticeships for hands-on experience AC PCB And Error Code.

How to Repair Air Conditioner in Ca AC PCB And Error Code:

Q: Can I repair my car’s air conditioner myself?

A: While some minor repairs can be DIY, complex issues may require professional assistance. Start by checking for common problems like refrigerant leaks or faulty compressors before attempting repairs.

How to Repair Air Conditioning in Car: AC PCB And Error Code

Q: What are the common AC issues in cars?

A: Common car AC problems include refrigerant leaks, compressor issues, and electrical malfunctions. Diagnose the problem by checking for leaks, inspecting electrical connections, and testing components.

How to Repair AC in Car AC PCB And Error Code:

Q: My car’s AC is blowing hot air. How can I fix it?

A: Check refrigerant levels, inspect the compressor for leaks, and ensure proper airflow through the vents. If issues persist, seek professional help for diagnosis and repair.

How to AC Repair AC PCB And Error Code:

Q: What are the steps to repair an AC unit?

A: Start by diagnosing the problem, then gather the necessary tools and materials. Follow a systematic approach to troubleshooting and repairing the issue, ensuring safety precautions are observed throughout the process.

How Much Does AC Repair Cost Car AC PCB And Error Code:

Q: How expensive is it to repair a car’s AC?

A: The cost of car AC repair varies depending on the nature of the problem and the vehicle’s make and model. Minor repairs like refrigerant recharge may cost less, while major repairs such as compressor replacement can be more expensive.

How Much Does AC Repair Cost AC PCB And Error Code:

Q: What factors determine the cost of AC repair?

A: The cost of AC repair depends on factors such as the extent of damage, replacement parts needed, labor costs, and the service provider’s rates. Get quotes from multiple professionals to compare prices.

How Much Is AC Repair AC PCB And Error Code:

Q: What is the average cost of AC repair?

A: The average cost of AC repair ranges from $100 to $1,000, depending on the severity of the issue. Routine maintenance and timely repairs can help minimize costs in the long run.

How to Fix My Air Conditioning AC PCB And Error Code:

Q: My air conditioner isn’t cooling properly. What should I do?

A: Start by checking air filters for dirt or blockages, ensuring proper airflow. Check thermostat settings and inspect outdoor units for debris. If issues persist, consider calling a professional for diagnosis and repair.

How to Repair AC Compressor AC PCB And Error Code:

Q: Can I replace my AC compressor myself?

A: Replacing an AC compressor is a complex task best left to professionals. It involves draining refrigerant, removing old components, and installing a new compressor while adhering to safety guidelines.

How to Repair AC Remote Control AC PCB And Error Code:

Q: My AC remote isn’t working. How can I fix it?

A: Start by replacing batteries and ensuring the remote is within range of the AC unit. If the issue persists, check for obstructions blocking the remote signal or consider replacing the remote altogether.

How to Repair AC Compressor in Car AC PCB And Error Code:

Q: My car’s AC compressor is making strange noises. What should I do?

A: Strange noises from the AC compressor may indicate internal damage or wear. Consult a mechanic for diagnosis and replacement if necessary to avoid further damage to the vehicle’s cooling system.

How Long Does It Take to Fix an AC AC PCB And Error Code:

Q: How much time does it take to repair an AC unit?

A: The time required to fix an AC unit depends on the complexity of the issue. Minor repairs may take a few hours, while major repairs or component replacements can take longer, sometimes spanning over a day.

How Much Is AC Repair for Car AC PCB And Error Code:

Q: What is the typical cost of AC repair for a car?

A: Car AC repair costs vary depending on the extent of the damage and the specific repairs needed. Expect to pay anywhere from $100 for minor repairs to over $1,000 for major component replacements.

How Much AC Service Cost AC PCB And Error Code:

Q: How expensive is AC servicing?

A: The cost of AC servicing varies depending on the service provider, location, and the type of service required. Basic servicing may cost around $100, while more extensive services like duct cleaning can cost several hundred dollars.

How Long Does AC Repair Take AC PCB And Error Code:

Q: How long does it usually take to repair an AC unit?

A: The duration of AC repair depends on factors such as the complexity of the issue, availability of replacement parts, and the technician’s efficiency. Simple repairs may be completed within a few hours, while major repairs may take longer.

How to Learn Air Conditioner Repair:

Q: What resources are available for learning air conditioner repair?

A: Consider enrolling in HVAC courses, attending workshops, or seeking apprenticeships with experienced technicians. Online tutorials and instructional videos can also be helpful for self-paced learning.

How to Check Lloyd AC Warranty:

Q: How can I verify the warranty status of my Lloyd AC?

A: Refer to the warranty card provided with your AC unit or visit the manufacturer’s website for warranty information. Contact Lloyd customer support for assistance with warranty verification if needed.

How to Repair AC Coil Leak:

Q: My AC has a refrigerant leak. How can I fix it?

A: Repairing an AC coil leak requires specialized equipment and skills. Contact a certified HVAC technician to locate and repair the leak to prevent further damage to the system.

How to Repair AC Condenser:

Q: My AC condenser is damaged. Can it be repaired?

A: Depending on the extent of the damage, an AC condenser may be repairable. However, severe damage may require replacement to ensure optimal performance and efficiency of the cooling system.

How to Repair AC Line:

Q: My AC refrigerant line is leaking. What should I do?

A: Turn off the AC unit to prevent further refrigerant loss and potential damage. Contact a licensed HVAC technician to locate and repair the leak, ensuring proper sealing to prevent future leaks.

How to Repair AC at Home:

Q: Can I repair my AC unit at home?

A: While some minor AC repairs can be DIY, complex issues or repairs involving refrigerant handling should be left to professionals. Attempting repairs beyond your expertise may cause further damage or safety hazards.

How Much for AC Repair Car:

Q: How much does it cost to repair the AC in a car?

A: Car AC repair costs vary depending on the specific issue and the vehicle’s make and model. Expect to pay anywhere from $100 for minor repairs to over $1,000 for major component replacements.

AC Service After How Much Time:

Q: How often should I service my AC unit?

A: It’s recommended to service your AC unit at least once a year to ensure optimal performance and efficiency. Regular maintenance helps prevent breakdowns and extends the lifespan of the system.

How to Repair AC Fan Motor:

Q: My AC fan motor isn’t working. Can I repair it myself?

A: Repairing or replacing an AC fan motor requires technical expertise and specialized tools. Contact a licensed HVAC technician for diagnosis and repair to ensure safety and proper functioning of the system.

How AC Servicing Is Done:

Q: What does AC servicing involve?

A: AC servicing typically includes cleaning or replacing air filters, checking refrigerant levels, inspecting electrical components, lubricating moving parts, and testing system performance. Professional technicians follow industry standards and safety protocols during servicing.

How Is AC Servicing Done:

Q: How do professionals service an AC unit?

A: Professional AC servicing involves a thorough inspection and maintenance of various components, including cleaning coils, checking refrigerant levels, testing electrical connections, and calibrating thermostat settings. Technicians follow a systematic approach to ensure optimal performance and efficiency.

How to Start AC Repair Business:

Q: How can I start my own AC repair business?

A: Start by obtaining the necessary certifications and licenses required to operate an HVAC business in your area. Invest in quality tools and equipment, develop a business plan, and market your services to attract clients.

How Much Do AC Repair Guys Make:

Q: What is the earning potential for AC repair professionals?

A: The income of AC repair professionals varies depending on factors such as experience, location, and the demand for HVAC services in the area. Experienced technicians may earn higher salaries or hourly rates compared to entry-level technicians.

How to AC Service at Home:

Q: Can I service my AC unit at home?

A: While basic maintenance tasks like cleaning air filters and clearing debris from outdoor units can be done at home, comprehensive AC servicing involving refrigerant handling and electrical work should be left to trained professionals for safety and effectiveness.

How to Repair Lloyd AC Remote:

Q: My Lloyd AC remote isn’t working. How can I fix it?

A: Start by replacing the batteries and ensuring there are no obstructions blocking the remote’s signal. If the issue persists, consider contacting Lloyd customer support for troubleshooting assistance or replacement options.

How to Fix AC Indoor Unit:

Q: My AC indoor unit is leaking water. What should I do?

A: Check for clogged condensate drains or dirty air filters, as these issues can cause water leakage from the indoor unit. Clean or replace filters and clear any obstructions in the drainage system to resolve the problem.

How to Repair AC Fan:

Q: My AC fan isn’t working. How can I repair it?

A: Check for power supply issues, loose connections, or motor damage that may be causing the fan to malfunction. If simple troubleshooting steps don’t resolve the issue, contact a professional HVAC technician for repair or replacement.

How Service AC:

Q: What does AC servicing involve?

A: AC servicing typically includes cleaning or replacing air filters, checking refrigerant levels, inspecting electrical components, lubricating moving parts, and testing system performance. Professional technicians follow industry standards and safety protocols during servicing.

How to Repair AC Gas Leakage:

Q: My AC unit is leaking refrigerant. How can I fix it?

A: Repairing an AC gas leak requires specialized equipment and skills. Contact a licensed HVAC technician to locate and repair the leak, ensuring proper sealing to prevent further refrigerant loss and system damage.

How Does AC Warranty Work:

Q: How does the warranty for an AC unit work?

A: AC warranties typically cover manufacturing defects and certain components for a specified period. To avail of warranty services, register your product with the manufacturer and follow their guidelines for warranty claims and repairs.

How to Repair AC Blower Motor:

Q: My AC blower motor is making strange noises. How can I fix it?

A: Strange noises from the blower motor may indicate worn bearings or motor damage. Contact a professional HVAC technician for diagnosis and repair to ensure proper functioning of the blower motor and the overall AC system.

How Much Is AC Repair Car:

Q: How much does it cost to repair the AC in a car?

A: Car AC repair costs vary depending on the specific issue and the vehicle’s make and model. Expect to pay anywhere from $100 for minor repairs to over $1,000 for major component replacements.

How to Repair AC Control Panel:

Q: My AC control panel isn’t responding. How can I fix it?

A: Check for power supply issues, loose connections, or faulty control panel components. If simple troubleshooting steps don’t resolve the issue, consider contacting a professional HVAC technician for repair or replacement.

How to Fix EC Error in AC:

Q: My AC is showing an EC error code. What does it mean, and how can I fix it?

A: An EC error code on an AC unit usually indicates a communication problem between the indoor and outdoor units. Check for loose connections or wiring issues, and reset the unit if necessary. If the error persists, consult the manufacturer’s manual or contact customer support for assistance.

How Fix AC Compressor:

Q: My AC compressor is not engaging. How can I fix it?

A: Check for power supply issues, faulty relays, or refrigerant leaks that may be preventing the compressor from operating. If troubleshooting steps don’t resolve the issue, contact a professional HVAC technician for diagnosis and repair.

How Much AC Repair Cost Car:

Q: What is the typical cost of AC repair for a car?

A: Car AC repair costs vary depending on the extent of the damage and the specific repairs needed. Expect to pay anywhere from $100 for minor repairs to over $1,000 for major component replacements.

How to Repair AC Blower:

Q: My AC blower isn’t working. How can I repair it?

A: Check for power supply issues, faulty motor components, or blocked airflow that may be causing the blower to malfunction. If troubleshooting steps don’t resolve the issue, contact a professional HVAC technician for repair or replacement.

How to Repair AC Valve:

Q: My AC valve is leaking refrigerant. How can I fix it?

A: Repairing an AC valve leak requires specialized equipment and skills. Contact a licensed HVAC technician to locate and repair the leak, ensuring proper sealing to prevent further refrigerant loss and system damage.

How to Repair AC Freon Leak:

Q: My AC unit has a Freon leak. How can I fix it?

A: Repairing an AC Freon leak requires specialized equipment and skills. Contact a licensed HVAC technician to locate and repair the leak, ensuring proper sealing to prevent further refrigerant loss and system damage.

How Much Does AC Repair Cost Car:

Q: How expensive is it to repair the AC in a car?

A: The cost of car AC repair varies depending on the nature of the problem and the vehicle’s make and model. Minor repairs like refrigerant recharge may cost less, while major repairs such as compressor replacement can be more expensive.

How Much Does AC Repair Cost:

Q: What factors determine the cost of AC repair?

A: The cost of AC repair depends on factors such as the extent of damage, replacement parts needed, labor costs, and the service provider’s rates. Get quotes from multiple professionals to compare prices.

What Does AC Service Include:

Q: What services are included in AC servicing?

A: AC servicing typically includes cleaning or replacing air filters, checking refrigerant levels, inspecting electrical components, lubricating moving parts, and testing system performance. Professional technicians follow industry standards and safety protocols during servicing.

How Long Does It Take to Fix an AC:

Q: How much time does it take to repair an AC unit?

A: The duration of AC repair depends on the complexity of the issue. Minor repairs may take a few hours, while major repairs or component replacements can take longer, sometimes spanning over a day.

Does AC Need Service Every Year:

Q: How often should I service my AC unit?

A: It’s recommended to service your AC unit at least once a year to ensure optimal performance and efficiency. Regular maintenance helps prevent breakdowns and extends the lifespan of the system.

Does Lennox AC Have a Reset Button:

Q: Does Lennox AC units have a reset button?

A: Some Lennox AC units may have a reset button located near the outdoor unit or on the indoor unit’s control panel. Consult the user manual or contact Lennox customer support for specific reset instructions.

How Does AC Warranty Work:

Q: How does the warranty for an AC unit work?

A: AC warranties typically cover manufacturing defects and certain components for a specified period. To avail of warranty services, register your product with the manufacturer and follow their guidelines for warranty claims and repairs.

Does AC Pro Fix Leaks:

Q: Can AC Pro fix refrigerant leaks?

A: AC Pro refrigerant recharge kits may temporarily seal small refrigerant leaks in automotive AC systems. However, for permanent repairs, it’s recommended to locate and fix the source of the leak professionally to prevent further damage.

Does Replacing AC Increase Home Value:

Q: Does upgrading or replacing an AC unit increase home value?

A: Upgrading or replacing an old or inefficient AC unit may increase home value by improving energy efficiency and indoor comfort. However, the impact on home value may vary depending on other factors such as location and market demand.

Why Does My AC Says Recovery:

Q: My AC display shows “Recovery.” What does it mean?

A: The “Recovery” message on an AC display may indicate that the unit is in recovery mode after a power outage or system malfunction. Allow the unit to complete the recovery process, or consult the user manual for troubleshooting instructions if the message persists.

Air Conditioner Repair Near Me:

Q: How can I find air conditioner repair services near my location?

A: You can search online for local AC repair companies or check business directories. Additionally, ask for recommendations from friends, family, or neighbors who have used AC repair services in your area.

AC Repair Near Me:

Q: Where can I find AC repair services near me?

A: Use online search engines or service directories to locate AC repair companies in your area. Be sure to check reviews and ratings to ensure you choose a reputable and reliable service provider.

Repair Air Conditioner Near Me:

Q: Which companies offer air conditioner repair services near me?

A: Many HVAC companies provide air conditioner repair services. Look for companies with positive reviews, certifications, and experienced technicians for quality service.

Air Conditioning Repair Near Me:

Q: How can I locate air conditioning repair services near my location?

A: Utilize online search engines or business directories to find air conditioning repair companies in your area. Consider factors such as customer reviews, certifications, and service offerings when choosing a repair service.

Air Cooler Repair Near Me:

Q: Where can I get my air cooler repaired near me?

A: Search for local appliance repair shops or HVAC companies that offer air cooler repair services. Check reviews and ratings to ensure you choose a reliable service provider.

AC Repair in Near Me:

Q: Are there any AC repair services available in my vicinity?

A: Yes, you can find AC repair services near you by searching online or asking for recommendations from neighbors or friends. Be sure to research and compare different service providers before making a decision.

Fix Air Conditioner Near Me:

Q: How can I get my air conditioner fixed near my location?

A: Look for local HVAC companies or appliance repair shops that offer air conditioner repair services. Consider factors such as experience, expertise, and customer reviews when choosing a service provider.

Aircon Repair Near Me:

Q: Which companies provide aircon repair services near my location?

A: Many HVAC companies offer aircon repair services. Search online for local service providers or ask for recommendations from friends or family members who have used aircon repair services in the area.

Air Cond Repair Near Me:

Q: Where can I find air cond repair services near me?

A: Search online for HVAC companies or appliance repair shops that offer air cond repair services. Be sure to check reviews and ratings to ensure you choose a reputable and reliable service provider.

Aircon Service Near Me:

Q: How can I find aircon service providers near my location?

A: Use online search engines or service directories to locate aircon service providers in your area. Consider factors such as customer reviews, service offerings, and pricing when choosing a provider.

AC Repairs for Cars Near Me:

Q: Where can I get AC repairs for cars near my location?

A: Look for automotive repair shops or HVAC specialists that offer AC repair services for cars. Be sure to choose a service provider with experience in automotive AC systems.

Air Conditioning Repairs for Cars Near Me:

Q: Which companies offer air conditioning repairs for cars near my location?

A: Many automotive repair shops and HVAC specialists provide air conditioning repair services for cars. Search online or ask for recommendations to find a reputable service provider in your area.

AC Repair Near Me Car:

Q: Where can I find AC repair services for my car near me?

A: Look for automotive repair shops or HVAC specialists that offer AC repair services specifically for cars. Be sure to choose a service provider with experience in automotive AC systems.

Service AC Near Me:

Q: How can I find service providers for my AC near my location?

A: Search online for HVAC companies or appliance repair shops that offer AC servicing. Consider factors such as experience, expertise, and customer reviews when choosing a service provider.

AC Repair for Cars Near Me:

Q: Where can I get AC repair services for my car near my location?

A: Look for automotive repair shops or HVAC specialists that offer AC repair services specifically for cars. Be sure to choose a service provider with experience in automotive AC systems.

Car AC Repair Near Me:

Q: Are there any shops that offer car AC repair services near my location?

A: Yes, many automotive repair shops and HVAC specialists provide car AC repair services. Search online or ask for recommendations to find a reputable service provider in your area.

AC Service Near Me:

Q: How can I find AC service providers near my location?

A: Use online search engines or service directories to locate AC service providers in your area. Consider factors such as customer reviews, service offerings, and pricing when choosing a provider.

AC Service Near By Me:

Q: Are there any AC service providers near my location?

A: Yes, you can find AC service providers near you by searching online or asking for recommendations from neighbors or friends. Be sure to research and compare different service providers before making a decision.

Air Conditioning Service Near Me:

Q: Where can I find air conditioning service providers near my location?

A: Search online for HVAC companies or appliance repair shops that offer air conditioning services. Consider factors such as experience, expertise, and customer reviews when choosing a service provider.

HVAC Repair Near Me:

Q: How can I find HVAC repair services near my location?

A: Utilize online search engines or business directories to find HVAC repair companies in your area. Be sure to check reviews and ratings to ensure you choose a reputable and reliable service provider.

AC Service for Car Near Me:

Q: Where can I find AC service providers for my car near my location?

A: Look for automotive repair shops or HVAC specialists that offer AC servicing specifically for cars. Be sure to choose a service provider with experience in automotive AC systems.

HVAC Near Me Repair:

Q: Are there any HVAC repair services near my location?

A: Yes, you can find HVAC repair services near you by searching online or asking for recommendations from neighbors or friends. Be sure to research and compare different service providers before making a decision.

AC Companies Near Me:

Q: How can I find AC companies near my location?

A: Use online search engines or business directories to locate AC companies in your area. Consider factors such as customer reviews, certifications, and service offerings when choosing a company.

HVAC Service Near Me:

Q: Where can I find HVAC service providers near my location?

A: Search online for HVAC companies or appliance repair shops that offer HVAC services. Consider factors such as experience, expertise, and customer reviews when choosing a service provider.

Heat Repair Near Me:

Q: How can I find heat repair services near my location?

A: Utilize online search engines or business directories to find heat repair companies in your area. Be sure to check reviews and ratings to ensure you choose a reputable and reliable service provider.

AC Repairing Services Near Me:

Q: Where can I find AC repairing services near my location?

A: Look for HVAC companies or appliance repair shops that offer AC repairing services. Be sure to choose a service provider with experience and positive customer reviews.

AC Repair Service Near Me:

Q: How can I find AC repair service providers near my location?

A: Search online for HVAC companies or appliance repair shops that offer AC repair services. Consider factors such as experience, expertise, and customer reviews when choosing a service provider.

Air Conditioner Repair Service Near Me:

Q: Where can I find air conditioner repair service providers near my location?

A: Use online search engines or service directories to locate air conditioner repair service providers in your area. Consider factors such as customer reviews, service offerings, and pricing when choosing a provider.

AC Service and Repair Near Me:

Q: How can I find AC service and repair providers near my location?

A: Utilize online search engines or business directories to find AC service and repair companies in your area. Be sure to check reviews and ratings to ensure you choose a reputable and reliable service provider.

Cooling Repair Near Me:

Q: Where can I find cooling repair services near my location?

A: Look for HVAC companies or appliance repair shops that offer cooling repair services. Be sure to choose a service provider with experience and positive customer reviews.

ACC Repair Near Me:

Q: How can I find ACC repair services near my location?

A: Utilize online search engines or business directories to find ACC repair companies in your area. Be sure to check reviews and ratings to ensure you choose a reputable and reliable service provider.

Aircon Technician Near Me:

Q: Where can I find aircon technicians near my location?

A: Search online for HVAC companies or appliance repair shops that employ aircon technicians. Consider factors such as experience, expertise, and customer reviews when choosing a service provider.

AC Technician Near Me:

Q: How can I find AC technicians near my location?

A: Utilize online search engines or business directories to find AC technicians in your area. Be sure to check reviews and ratings to ensure you choose a reputable and reliable service provider.

Air Conditioner Technician Near Me:

Q: Where can I find air conditioner technicians near my location?

A: Look for HVAC companies or appliance repair shops that employ air conditioner technicians. Be sure to choose a service provider with experience and positive customer reviews.

Air Conditioner Maintenance Near Me:

Q: How can I find air conditioner maintenance services near my location?

A: Utilize online search engines or business directories to find air conditioner maintenance companies in your area. Be sure to check reviews and ratings to ensure you choose a reputable and reliable service provider.

AC Maintenance Near Me:

Q: Where can I find AC maintenance services near my location?

A: Look for HVAC companies or appliance repair shops that offer AC maintenance services. Be sure to choose a service provider with experience and positive customer reviews.

AC Repairing Shop Near Me:

Q: Where can I find AC repairing shops near my location?

A: Utilize online search engines or business directories to find AC repairing shops in your area. Be sure to check reviews and ratings to ensure you choose a reputable and reliable service provider.

AC Repair Shop Near Me:

Q: How can I find AC repair shops near my location?

A: Search online for HVAC companies or appliance repair shops that offer AC repair services. Consider factors such as experience, expertise, and customer reviews when choosing a service provider.

HVAC Technicians Near Me:

Q: Where can I find HVAC technicians near my location?

A: Utilize online search engines or business directories to find HVAC technicians in your area. Be sure to check reviews and ratings to ensure you choose a reputable and reliable service provider.

AC Service Centre Near Me:

Q: How can I find AC service centers near my location?

A: Look for HVAC companies or appliance repair shops that operate AC service centers. Be sure to choose a service provider with experience and positive customer reviews.

AC Service Center Near Me:

Q: Where can I find AC service centers near my location?

A: Utilize online search engines or business directories to find AC service centers in your area. Be sure to check reviews and ratings to ensure you choose a reputable and reliable service provider.

Heating & Air Repair Near Me:

Q: How can I find heating and air repair services near my location?

A: Utilize online search engines or business directories to find heating and air repair companies in your area. Be sure to check reviews and ratings to ensure you choose a reputable and reliable service provider.

Air Conditioner Tune Up Near Me:

Q: Where can I find air conditioner tune-up services near my location?

A: Look for HVAC companies or appliance repair shops that offer air conditioner tune-up services. Be sure to choose a service provider with experience and positive customer reviews.

Heating and Air Repair Near Me:

Q: How can I find heating and air repair services near my location?

A: Utilize online search engines or business directories to find heating and air repair companies in your area. Be sure to check reviews and ratings to ensure you choose a reputable and reliable service provider.

AC Tune Up Near Me:

Q: Where can I find AC tune-up services near my location?

A: Look for HVAC companies or appliance repair shops that offer AC tune-up services. Be sure to choose a service provider with experience and positive customer reviews.

Split AC Service Near Me:

Q: How can I find split AC service providers near my location?

A: Utilize online search engines or business directories to find split AC service providers in your area. Be sure to check reviews and ratings to ensure you choose a reputable and reliable service provider.

Voltas AC Servicing Near Me:

Q: Where can I find Voltas AC servicing near my location?

A: Look for HVAC companies or appliance repair shops that offer Voltas AC servicing. Be sure to choose a service provider with experience and positive customer reviews.

Heating and Air Conditioning Service Near Me:

Q: How can I find heating and air conditioning service providers near my location?

A: Utilize online search engines or business directories to find heating and air conditioning service providers in your area. Be sure to check reviews and ratings to ensure you choose a reputable and reliable service provider.

Air Conditioning and Heating Services Near Me:

Q: Where can I find air conditioning and heating services near my location?

A: Look for HVAC companies or appliance repair shops that offer both air conditioning and heating services. Be sure to choose a service provider with experience and positive customer reviews.

Heating AC Service Near Me:

Q: How can I find heating AC service providers near my location?

A: Utilize online search engines or business directories to find heating AC service providers in your area. Be sure to check reviews and ratings to ensure you choose a reputable and reliable service provider.

Heating & Air Conditioning Service Near Me:

Q: Where can I find heating & air conditioning service providers near my location?

A: Look for HVAC companies or appliance repair shops that offer heating & air conditioning services. Be sure to choose a service provider with experience and positive customer reviews.

Heating and AC Service Near Me:

Q: How can I find heating and AC service providers near my location?

A: Utilize online search engines or business directories to find heating and AC service providers in your area. Be sure to check reviews and ratings to ensure you choose a reputable and reliable service provider.

AC Contractor Near Me:

Q: Where can I find AC contractors near my location?

A: Look for HVAC companies or contractors that specialize in AC installation and repair services. Be sure to choose a licensed and experienced contractor for quality workmanship.

Home AC Repair Near Me:

Q: How can I find home AC repair services near my location?

A: Utilize online search engines or business directories to find home AC repair companies in your area. Be sure to check reviews and ratings to ensure you choose a reputable and reliable service provider.

Air Conditioner Replacement Near Me:

Q: Where can I find air conditioner replacement services near my location?

A: Look for HVAC companies or appliance repair shops that offer air conditioner replacement services. Be sure to choose a service provider with experience and positive customer reviews.

Best AC Service Near Me:

Q: How can I find the best AC service provider near my location?

A: Research online for top-rated HVAC companies or appliance repair shops in your area. Read customer reviews and testimonials to determine the best service provider for your needs.

Best Air Conditioner Repair Near Me:

Q: Where can I find the best air conditioner repair services near my location?

A: Look for HVAC companies or appliance repair shops with a reputation for providing high-quality air conditioner repair services. Check online reviews and ratings to determine the best service provider for your needs.

Best Air Conditioning Service Near Me:

Q: How can I find the best air conditioning service provider near my location?

A: Research online for top-rated HVAC companies or appliance repair shops in your area. Look for service providers with a track record of delivering excellent air conditioning services and positive customer feedback.

AC Fix Near Me:

Q: Where can I find AC fix services near my location?

A: Look for HVAC companies or appliance repair shops that offer AC fix services. Be sure to choose a service provider with experience and positive customer reviews.

Heating and AC Repair Near Me:

Q: How can I find heating and AC repair services near my location?

A: Utilize online search engines or business directories to find heating and AC repair companies in your area. Be sure to check reviews and ratings to ensure you choose a reputable and reliable service provider.

Heating and Cooling Repair Near Me:

Q: Where can I find heating and cooling repair services near my location?

A: Look for HVAC companies or appliance repair shops that offer heating and cooling repair services. Be sure to choose a service provider with experience and positive customer reviews.

Home Air Conditioner Repair Near Me:

Q: How can I find home air conditioner repair services near my location?

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Q: Where can I find AC replacement services near my location?

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Q: Where can I find AC specialists near my location?

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Q: How can I find AC heater repair services near my location?

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Q: Where can I find AC unit repair services near my location?

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Q: How can I find heat and air conditioning repair services near my location?

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Q: Where can I find air conditioning unit repair services near my location?

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Q: Where can I find AC heat repair services near my location?

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Q: How can I find AC emergency repair services near my location?

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Q: Where can I find AC unit repairs near my location?

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Q: How can I find heating air conditioning repair services near my location?

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Q: Where can I find aircon specialists near my location?

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Q: How can I find emergency AC repair services near my location?

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Q: Where can I find heating AC repair services near my location?

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Q: How can I find emergency air conditioner repair services near my location?

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Q: Where can I find aircon installation services near my location?

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Q: Where can I find commercial air conditioning repair services near my location?

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Q: Are there any AC service providers near my location?

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Q: Where can I find air conditioning repair companies near my location?

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Q: How can I find an AC repair company near my location?

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Q: Where can I find 24-hour air conditioning repair services near my location?

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Q: How can I find commercial AC repair services near my location?

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Q: Where can I find 24-hour AC repair services near my location?

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Q: How can I find air duct repair services near my location?

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Q: Where can I find central air repair services near my location?

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Q: How can I find central AC repair services near my location?

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Q: Where can I find affordable HVAC repair services near my location?

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Q: How can I find central air conditioner repair services near my location?

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Q: Where can I find Blue Star AC service providers near my location?

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Q: Are there any AC service providers near my location?

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Q: Where can I find AC repair services that offer free estimates near my location?

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Q: How can I find AC service providers near my location?

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Q: Where can I find AC repair services near my location?

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Q: How can I find home air conditioning service providers near my location?

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Q: Where can I find home AC service providers near my location?

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Q: Where can I find 24-hour air conditioning service providers near my location?

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Q: How can I find AC tune-up specials near my location?

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Q: Where can I find emergency HVAC repair services near my location?

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Q: How can I find air conditioner compressor repair services near my location?

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Q: Where can I find AC repair and service providers near my location?

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Q: How can I find information about AC service charges near my location?

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Q: Where can I find AC maintenance service providers near my location?

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Q: How can I find the best HVAC service provider near my location?

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Q: Where can I find AC PCB repair services near my location?

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Q: How can I find AC repair services near my location?

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Q: Where can I find commercial HVAC repair services near my location?

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Q: How can I find split AC repair services near my location?

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Q: How can I find AC service providers near my location?

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Q: Where can I find HVAC specialists near my location?

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Q: Where can I find an AC guy near my location?

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Q: How can I find commercial heating repair services near my location?

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Q: Where can I find AC repairing courses near my location?

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Q: How can I find LG air conditioner repair services near my location?

A: Utilize online search engines or business directories to find LG air conditioner repair companies in your area. Be sure to check reviews and ratings to ensure you choose a reputable and reliable service provider.

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Q: Where can I find the best HVAC repair services near my location?

A: Research online for top-rated HVAC companies or appliance repair shops in your area. Look for service providers with a reputation for delivering high-quality HVAC repair services and positive customer feedback.

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Q: How can I find heating repair services near my location?

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Q: Where can I find HVAC repair services near my location?

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Q: How can I find LG AC repair services near my location?

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Q: Where can I find air duct replacement services near my location?

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Q: How can I find local AC repair services near my location?

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Q: Where can I find emergency AC service providers near my location?

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Q: How can I find HVAC tune-up services near my location?

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Q: Where can I find Voltas AC repair services near my location?

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Q: How can I find AC technicians near my location?

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Q: Where can I find the contact number for AC repair services near my location?

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Q: How can I find AC service for cars near my location?

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Q: Where can I find the best AC repair company near my location?

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Q: How can I find air repair services near my location?

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Q: How can I find residential HVAC service providers near my location?

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Q: Where can I find Samsung AC repair services near my location?

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Q: How can I find the cheapest AC service providers near my location?

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Q: How can I find automotive AC repair services near my location?

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Q: Where can I find AC fitting services near my location?

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Q: How can I find AC fridge repairing services near my location?

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Q: How can I find urban AC service providers near my location?

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Q: Where can I find central air conditioning service providers near my location?

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Q: How can I find AC service companies near my location?

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Q: Where can I find AC unit service providers near my location?

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Q: How can I find nearby AC repair services?

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Q: Where can I find emergency heating repair services near my location?

A: Look for HVAC companies or appliance repair shops that offer emergency heating repair services. Be sure to choose a service provider with experience and positive customer reviews AC PCB And Error Code.

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Q: How can I find Carrier air conditioner repair services near my location?

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Q: Where can I find residential AC service providers near my location?

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Q: How can I find AC fridge repairing courses near my location?

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Q: Where can I find AC repair parts near my location?

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Q: How can I find Trane air conditioner repair services near my location?

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Q: Where can I find Carrier AC repair services near my location?

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Q: How can I find repair air conditioning services for my home near my location?

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Q: Where can I find AC service providers with pricing near my location?

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Q: How can I find the cheapest HVAC repair services near my location?

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Q: Where can I find residential air conditioning service providers near my location?

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Q: How can I find heating repair companies near my location?

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Q: Where can I find air conditioning specialists near my location?

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Q: How can I find affordable AC repair services near my location?

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Q: Where can I find the best AC repair services near my location?

A: Research online for top-rated HVAC companies or appliance repair shops in your area. Look for service providers with a reputation for delivering high-quality AC repair services and positive customer feedback.

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Q: How can I find residential AC repair services near my location?

A: Utilize online search engines or business directories to find residential AC repair companies in your area. Be sure to check reviews and ratings to ensure you choose a reputable and reliable service provider.

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Q: Where can I find HVAC maintenance service providers near my location?

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Q: How can I find AC duct repair services near my location?

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Q: Where can I find heating and air conditioning repair companies near my location?

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Q: How can I find commercial air conditioning service providers near my location?

A: Utilize online search engines or business directories to find commercial air conditioning service providers in your area. Be sure to check reviews and ratings to ensure you choose a reputable and reliable service provider.

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Q: Where can I find inverter AC PCB repair services near my location?

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Q: How can I find 24/7 AC repair services near my location?

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Q: Where can I find AC service providers in Delhi near my location?

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Q: How can I find repair air conditioning services near my location?

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Q: Where can I find home AC repair services near my location?

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Q: How can I find house AC repair services near my location?

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Q: How can I find AC repair services for cars near my location?
A: Utilize online search engines or business directories to find auto repair shops or car service centers that offer AC repair services for cars. Be sure to choose a service provider with experience and positive customer reviews.

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Q: Where can I find air conditioning repair services for cars near my location?
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Q: How can I find AC repair services specifically for cars near my location?
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Q: Where can I find AC repair services for my vehicle?
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Q: How can I get air conditioning repairs done for my car?
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Q: Where can I find reliable AC repair services for cars?
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Q: How can I find air conditioner repair services specifically for cars?
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Q: Where can I find AC repair services tailored for cars?
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Q: How can I find AC service for my car near my location?
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Q: What does AC service for cars entail?
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AC Repair for Truck AC PCB And Error Code:

Q: Where can I find AC repair services for my truck?
A: Look for auto repair shops or truck service centers that offer AC repair services for trucks. Be sure to choose a service provider with experience in diagnosing and repairing truck AC systems.

AC Mechanic for Car Near Me AC PCB And Error Code:

Q: How can I find an AC mechanic for my car near my location?
A: Utilize online search engines or business directories to find auto repair shops or car service centers that employ AC mechanics. Be sure to choose a service provider with expertise in automotive AC systems.

AC Repair for Auto Near Me AC PCB And Error Code:

Q: Where can I find AC repair services for my automobile near my location?
A: Utilize online search engines or business directories to find auto repair shops or car service centers that offer AC repair services for automobiles. Be sure to choose a service provider with experience in automotive AC systems.

How Much is AC Repair for Car:

Q: What is the cost of AC repair for a car?
A: The cost of AC repair for a car can vary depending on the extent of the damage and the parts needed for repair. Contact auto repair shops or car service centers for a quote based on your specific situation.

What is AC Service for Car:

Q: What does AC service for cars involve?
A: AC service for cars typically includes inspections, cleaning, refrigerant recharge, and repairs as needed to ensure optimal performance of the car’s AC system. Contact auto repair shops or car service centers for more details.

AC Repair for Home Near Me AC PCB And Error Code:

Q: How can I find AC repair services for my home near my location?
A: Utilize online search engines or business directories to find HVAC companies or appliance repair shops that offer AC repair services for homes. Be sure to choose a service provider with experience in residential AC systems.

AC Service HSN Code for GST AC PCB And Error Code:

Q: What is the HSN code for AC service for GST purposes?
A: The Harmonized System of Nomenclature (HSN) code for AC service may vary depending on the specific nature of the service provided. It is recommended to consult with a tax professional or refer to official GST guidelines for accurate information.

How Much for AC Repair Car:

Q: How much does it cost to repair the AC in a car?
A: The cost of AC repair for a car can vary depending on factors such as the type of repair needed, the make and model of the car, and the labor rates of the service provider. Contact auto repair shops or car service centers for a detailed estimate.

AC Repair for RV Near Me:

Q: Where can I find AC repair services for my RV near my location?
A: Utilize online search engines or business directories to find RV repair shops or service centers that offer AC repair services for RVs. Be sure to choose a service provider with experience in RV AC systems.

What is Done for AC Maintenance AC PCB And Error Code:

Q: What tasks are typically included in AC maintenance?
A: AC maintenance often involves tasks such as cleaning or replacing air filters, checking refrigerant levels, inspecting electrical components, and lubricating moving parts. Contact HVAC companies or appliance repair shops for comprehensive AC maintenance services.

AC Repair for Car Cost AC PCB And Error Code:

Q: How much does it typically cost to repair the AC in a car?
A: The cost of repairing the AC in a car can vary depending on the nature of the repair needed and the labor rates of the service provider. Contact auto repair shops or car service centers for a detailed estimate based on your specific situation.

AC Repair for Commercial AC PCB And Error Code:

Q: Where can I find AC repair services for commercial properties?
A: Look for HVAC companies or commercial property maintenance services that offer AC repair services for commercial buildings. Be sure to choose a service provider with experience in commercial HVAC systems.

ANSWER TO YOUR QUESTIONS

1. Panasonic AC H85 Error Code: This usually indicates a problem with the outdoor unit’s fan motor or circuit board. Check for any obstructions in the fan blades or issues with the circuitry.
2. Lloyd Inverter AC L6 Error Code: An L6 error often points towards a communication error between the indoor and outdoor units. It could be due to faulty wiring or a malfunctioning control board.
3. Bluestar AC H3 Error Code: H3 typically signals a high-pressure issue in the refrigerant system. This might be due to a clogged filter, dirty condenser coils, or low refrigerant levels.
4. Lloyd AC L1 Error Code: L1 errors usually indicate a problem with the indoor unit’s coil temperature sensor. Check if the sensor is correctly positioned and functioning.
5. LG Inverter AC HC Error Code: The HC error can indicate a high-temperature issue in the compressor or condenser. Check for proper airflow and ensure there are no obstructions blocking the unit.
6. Carrier AC C1 Error Code: C1 errors can vary depending on the model, but it often relates to a communication fault between the indoor and outdoor units or a problem with the control board.
7. Carrier AC P6 Error Code: P6 errors generally indicate a problem with the compressor or its starting mechanism. It could be due to electrical issues or a faulty compressor.
8. Lloyd Inverter AC E6 Error Code: E6 errors usually relate to a communication problem between the indoor and outdoor units or a malfunctioning control board.
9. LG AC Fan Speed F1 F2 F3 F4 F5: These codes correspond to different fan speed settings. F1 is usually the lowest speed, while F5 is the highest.
10. Lloyd AC H6 Error Code: H6 errors might indicate a problem with the outdoor unit’s coil sensor or a refrigerant issue. Check if the sensor is clean and properly connected.
11. Trane F0 Error Code: F0 errors might indicate a problem with the outdoor temperature sensor or a communication fault between units.
12. Carrier Aircon P8 Error: P8 errors often signify a problem with the outdoor unit’s fan motor or a fault in the control board.
13. Lloyd AC L3 Error Code: L3 errors usually indicate a problem with the outdoor unit’s discharge temperature sensor. Check if the sensor is clean and properly connected.
14. Lloyd C4 Error Code: C4 errors can indicate various issues, including a problem with the indoor unit’s coil temperature sensor or a refrigerant leak. Check for any visible signs of leakage and ensure all sensors are functioning correctly.
15. Carrier P7 Error Code: P7 errors typically indicate a communication fault between the indoor and outdoor units. Check the wiring connections and ensure they are secure AC PCB And Error Code.
16. Voltas Inverter AC H5 Error Code: H5 errors usually indicate a problem with the outdoor unit’s coil temperature sensor. Check if the sensor is clean and properly connected AC PCB And Error Code.
17. Voltas Inverter AC P6 Error Code: P6 errors generally indicate a problem with the compressor or its starting mechanism. It could be due to electrical issues or a faulty compressor AC PCB And Error Code.
18. Carrier Ductless P6 Error Code: Similar to the Carrier AC P6 error, this could indicate a problem with the compressor or its starting mechanism AC PCB And Error Code.
19. E1 Code on Carrier AC: E1 errors can indicate a problem with the indoor unit’s temperature sensor or a fault in the control board. Check if the sensor is clean and properly connected AC PCB And Error Code.
20. EC 54 Error Code in Voltas AC: EC 54 errors typically indicate a problem with the outdoor unit’s communication module. Check for any loose connections or damaged wiring.
21. H0 Error Code Mitsubishi: H0 errors might indicate a problem with the outdoor unit’s temperature sensor or a fault in the control board. Check if the sensor is clean and properly connected.
22. Lloyd AC CL Blinking: A blinking CL code on a Lloyd AC usually indicates that the unit is in “Cool” mode. It’s a normal operation indicator AC PCB And Error Code.
23. Panasonic Air Conditioner Error Code H97: H97 errors usually indicate a problem with the outdoor unit’s inverter circuit. It might require professional servicing to diagnose and fix the issue.
24. Panasonic Inverter AC F90 Error Code: F90 errors typically indicate a communication issue between the indoor and outdoor units. Check the wiring connections and ensure they are secure.
25. Voltas C4 Error Code: C4 errors can indicate various issues, including a problem with the indoor unit’s coil temperature sensor or a refrigerant leak. Check for any visible signs of leakage and ensure all sensors are functioning correctly AC PCB And Error Code.
26. Voltas H1 Error: H1 errors usually indicate a high-pressure issue in the refrigerant system. This might be due to a clogged filter, dirty condenser coils, or low refrigerant levels.
27. LG AC H1 Error Code: H1 errors usually indicate a problem with the outdoor unit’s high-pressure sensor or a refrigerant issue.
28. Trane E6 Error Code: E6 errors could point towards a problem with the communication between units or a fault in the control board.
29. Voltas Inverter AC PC 02 Error Code: PC 02 errors typically relate to a problem with the outdoor unit’s PCB or power supply.
30. York Air Conditioner Red and Green Light Blinking: This could indicate various issues depending on the model. It’s best to refer to the specific error code or consult the user manual for troubleshooting steps.
31. Panasonic Inverter AC H16 Error: H16 errors might indicate a problem with the outdoor fan motor or its circuitry AC PCB And Error Code
32. Hisense Washing Machine PF Error: PF errors usually indicate a power failure during the washing cycle AC PCB And Error Code

33. H85 Error Code in Panasonic AC (HVAC): The H85 error in Panasonic ACs typically indicates an issue with the HVAC system. This error can be caused by various factors, including faulty wiring, sensor malfunctions, or problems with the control board. To fix this error, start by checking the wiring connections between the indoor and outdoor units, ensuring they are secure and free from damage. Next, inspect the sensors for any signs of damage or misalignment, particularly the temperature and pressure sensors. If everything appears to be in order, but the error persists, it’s best to contact a certified technician for further diagnosis and repair of AC PCB And Error Code.
34. EF Error Code in Air Conditioner in AC PCB And Error Code: The EF error code in an air conditioner can indicate a range of issues, including problems with the evaporator fan, refrigerant leaks, or compressor malfunctions. To fix this error, first, check the evaporator fan to ensure it’s running smoothly and isn’t obstructed by any debris. Next, inspect the refrigerant lines for any signs of leakage and repair any leaks found. If the compressor is suspected to be the issue, it’s best to contact a professional technician for proper diagnosis and repair, as compressor repairs can be complex and require specialized tools and expertise.

Conclusion

In conclusion, understanding the intricacies of AC repair maintenance and error codes is essential for ensuring the optimal performance and longevity of air conditioning systems. By adhering to a regular maintenance schedule, addressing issues promptly, and enlisting the services of qualified professionals when needed, homeowners can enjoy cool, comfortable indoor environments year-round while minimizing energy costs and preventing costly repairs.

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