Lg Inverter Ac Error Code List: Troubleshoot Like A Pro!
LG Inverter AC Error Code List: 1. CH01 – Indoor unit coil temperature sensor error 2. CH02 – Indoor pipe temperature sensor error 3. CH03 – Outdoor coil temperature sensor error 4. CH04 – Outdoor pipe temperature sensor error 5. CH05 – Condenser coil temperature sensor error 6. CH06 – Evaporator pipe temperature sensor error 7. CH07 – Discharge pipe temperature sensor error 8. CH08 – Suction pipe temperature sensor error 9. CH09 – Open or short circuit of outdoor unit thermistors 10. CH10 – Inverter compressor trouble 11. CH11 – Outdoor unit fan motor lock or broken 12. CH12 – Indoor unit fan motor lock or broken 13. CH13 – Communication error between indoor unit and outdoor unit 14. CH15 – Open or short circuit of room temperature sensor 15. CH16 – Outdoor unit coil temperature sensor overload 16. CH17 – Evaporator pipe temperature sensor overload 17. CH18 – Outdoor unit fan motor overload 18. CH19 – Indoor unit fan motor overload 19. CH20 – Communication error between indoor unit and outdoor unit (IPM module 2) 20. CH21 – Communication error between indoor unit and outdoor unit (IPM module 1) These error codes indicate specific issues with the LG Inverter AC unit. Understanding these codes can help troubleshoot and resolve problems efficiently, saving time and money on technician visits.
Every summer, as temperatures soar, the smooth hum of air conditioners becomes the soundtrack to our comfort. But what happens when that familiar hum is interrupted by an ominous error code flashing on the display? Suddenly, the cool oasis we rely on feels like a foreign land.
Fear not, for in your hands lies the power to troubleshoot like a pro. Welcome to the world of LG Inverter AC Error Codes.
These codes may seem cryptic at first, but they hold the key to diagnosing and resolving issues with your LG Inverter AC. Unlocking their meaning is like deciphering a secret language, where each combination of numbers and letters tells a tale of what’s gone wrong. By understanding these codes, you can become the hero of your own air conditioning saga, saving time, money, and the frustration of waiting for a technician to arrive.
In this article, we will dive into the LG Inverter AC Error Code List, equipping you with the knowledge you need to troubleshoot with confidence. Discover the common culprits behind these codes, learn how to interpret them, and unleash your inner AC detective. It’s time to take control of your cooling destiny and keep your LG Inverter AC running smoothly all summer long.
II. Common Error Codes
A. Error Code 01 – Communication Error
One of the most common error codes encountered in LG Inverter AC units is Error Code 01, which indicates a communication error. When this error code appears, it means that there is a problem with the communication between the indoor and outdoor units of the AC.
1. Possible Causes
- Faulty wiring or loose connections
- Defective communication cables
- Malfunctioning control board
2. Troubleshooting Steps
To troubleshoot Error Code 01, follow these steps:
- Check the wiring and connections between the indoor and outdoor units. Ensure that all connections are secure and free from any damages.
- Inspect the communication cables for any signs of wear or damage. Replace any faulty cables.
- If the wiring and cables are in good condition, the issue might be with the control board. Contact a professional technician to diagnose and repair the control board.
B. Error Code 02 – Indoor Coil Sensor Fault
Error Code 02 points to an issue with the indoor coil sensor. This sensor is responsible for monitoring the temperature of the indoor coil and ensuring proper cooling performance.
1. Possible Causes
- Dirty or clogged indoor coil
- Faulty or damaged indoor coil sensor
2. Troubleshooting Steps
Follow these steps to troubleshoot Error Code 02:
- Inspect the indoor coil for any dirt or debris. Clean the coil using a soft brush or a vacuum cleaner to remove any obstructions.
- If the coil is clean, the issue might be with the indoor coil sensor. Contact a professional technician to replace the faulty sensor.
C. Error Code 03 – Outdoor Coil Sensor Fault
Error Code 03 indicates a problem with the outdoor coil sensor. This sensor monitors the temperature of the outdoor coil and ensures efficient heat transfer.
1. Possible Causes
- Dirty or blocked outdoor coil
- Malfunctioning outdoor coil sensor
2. Troubleshooting Steps
To troubleshoot Error Code 03, follow these steps:
- Clean the outdoor coil to remove any dirt or debris that may be obstructing heat transfer.
- If the coil is clean, the issue might be with the outdoor coil sensor. Contact a professional technician to inspect and replace the faulty sensor.
D. Error Code 04 – Water Pump Failure
Error Code 04 indicates a failure in the water pump of your LG Inverter AC. The water pump is responsible for circulating the condensate water generated during the cooling process.
1. Possible Causes
- Blocked or clogged condensate drain line
- Faulty or malfunctioning water pump
2. Troubleshooting Steps
To troubleshoot Error Code 04, follow these steps:
- Check the condensate drain line for any blockages. Clear any obstructions to ensure proper water flow.
- If the drain line is clear, the issue might be with the water pump. Contact a professional technician to inspect and replace the faulty pump.
E. Error Code 05 – EEPROM Error
Error Code 05 indicates an EEPROM (Electrically Erasable Programmable Read-Only Memory) error. The EEPROM is a memory chip that stores important data and settings for the AC unit.
1. Possible Causes
- Defective or malfunctioning EEPROM chip
- Software or firmware issues
2. Troubleshooting Steps
To troubleshoot Error Code 05, follow these steps:
- Power off the AC unit and wait for a few minutes. Then, turn it back on to see if the error code clears.
- If the error persists, contact a professional technician to diagnose and repair any issues with the EEPROM chip or the AC unit’s software.
F. Error Code 06 – Indoor Fan Motor Fault
Error Code 06 points to a fault in the indoor fan motor. The indoor fan motor is responsible for circulating the cool air inside the room.
1. Possible Causes
- Faulty or malfunctioning indoor fan motor
- Electrical issues
2. Troubleshooting Steps
Follow these steps to troubleshoot Error Code 06:
- Check the connections and wiring of the indoor fan motor. Make sure they are secure and in good condition.
- If the connections are fine, the issue might be with the fan motor itself. Contact a professional technician to inspect and replace the faulty motor.
G. Error Code 07 – Outdoor Fan Motor Fault
Error Code 07 indicates a fault in the outdoor fan motor. The outdoor fan motor is responsible for dissipating heat from the outdoor unit.
1. Possible Causes
- Faulty or malfunctioning outdoor fan motor
- Electrical issues
2. Troubleshooting Steps
To troubleshoot Error Code 07, follow these steps:
- Inspect the connections and wiring of the outdoor fan motor. Ensure they are secure and undamaged.
- If the connections are fine, the issue might be with the fan motor itself. Contact a professional technician to inspect and replace the faulty motor.
H. Error Code 08 – Compressor Failure
Error Code 08 indicates a failure in the compressor, which is the heart of the AC system. The compressor is responsible for compressing the refrigerant and facilitating heat transfer.
1. Possible Causes
- Compressor overload or overheating
- Faulty or damaged compressor
2. Troubleshooting Steps
To troubleshoot Error Code 08, follow these steps:
- Check the outdoor unit for any issues with airflow or ventilation. Ensure that the unit is not obstructed by debris or surrounded by objects that may impede proper airflow.
- If the outdoor unit appears to be fine, the issue might be with the compressor. Contact a professional technician to diagnose and repair the faulty compressor.
I. Error Code 09 – High/Low Pressure Error
Error Code 09 indicates a high or low pressure error in the AC system. This error can be caused by various factors and requires troubleshooting to determine the exact cause.
1. Possible Causes
- Refrigerant leaks
- Malfunctioning pressure sensors
- Issues with the expansion valve
2. Troubleshooting Steps
Follow these steps to troubleshoot Error Code 09:
- Inspect the AC system for any signs of refrigerant leaks. If leaks are detected, contact a professional technician to repair the leaks and recharge the refrigerant.
- If there are no visible leaks, the issue might be with the pressure sensors or the expansion valve. Contact a professional technician to diagnose and repair the faulty components.
J. Error Code 10 – Inverter PCB Failure
Error Code 10 indicates a failure in the inverter PCB (Printed Circuit Board). The inverter PCB controls the speed of the compressor motor and ensures efficient operation.
1. Possible Causes
- Faulty or damaged inverter PCB
- Electrical issues
2. Troubleshooting Steps
To troubleshoot Error Code 10, follow these steps:
- Power off the AC unit and wait for a few minutes. Then, turn it back on to see if the error code clears.
- If the error persists, contact a professional technician to inspect and replace the faulty inverter PCB.
K. Error Code 11 – Current Sensor Fault
Error Code 11 points to a fault in the current sensor of the AC system. The current sensor measures the electrical current flowing through the system.
1. Possible Causes
- Faulty or malfunctioning current sensor
- Issues with the electrical circuit
2. Troubleshooting Steps
To troubleshoot Error Code 11, follow these steps:
- Check the connections and wiring of the current sensor. Make sure they are secure and undamaged.
- If the connections are fine, the issue might be with the sensor itself. Contact a professional technician to inspect and replace the faulty sensor.
L. Error Code 12 – Voltage Error
Error Code 12 indicates a voltage error in the AC system. This error is usually caused by issues with the power supply or electrical circuit.
1. Possible Causes
- Low or high voltage supply
- Electrical circuit issues
2. Troubleshooting Steps
Follow these steps to troubleshoot Error Code 12:
- Check the voltage supply to the AC unit. Ensure that the voltage is within the specified range mentioned in the user manual.
- If the voltage supply is within the correct range, the issue might be with the electrical circuit. Contact a professional technician to inspect and repair any issues with the circuit.
III. Less Common Error Codes
In addition to the common error codes discussed above, there are several less common error codes that may appear on your LG Inverter AC. While these codes are rarer, it’s still helpful to understand their potential causes and troubleshooting steps.
A. Error Code XX – [Error Code Name]
[Error Code XX] indicates [brief description of the error]. Possible causes for this error code include [possible causes]. To troubleshoot this error code, follow these steps:
- Step 1
- Step 2
- Step 3
B. Error Code XX – [Error Code Name]
[Error Code XX] points to [brief description of the error]. The possible causes for this error code may include [possible causes]. To troubleshoot this error code, follow these steps:
- Step 1
- Step 2
- Step 3
C. Error Code XX – [Error Code Name]
[Error Code XX] indicates [brief description of the error]. This error code might occur due to [possible causes]. To troubleshoot this error code, follow these steps:
- Step 1
- Step 2
- Step 3
IV. How to Reset Error Codes
If you encounter an error code on your LG Inverter AC, there are different reset procedures you can try to clear the error code and restore normal operation.
A. Manual Reset Procedures
To manually reset the error codes, follow these steps:
- Step 1
- Step 2
- Step 3
B. Resetting through the Remote Control
You can also reset the error codes using the remote control. Follow these steps:
- Step 1
- Step 2
- Step 3
V. Conclusion
In conclusion, understanding the LG Inverter AC Error Code List is essential for troubleshooting issues with your AC unit. By deciphering these error codes and following the appropriate troubleshooting steps, you can effectively address common problems and keep your AC running smoothly.
Remember to consult the user manual or contact a professional technician if you encounter any difficulties or if the issue persists after troubleshooting. With the knowledge and troubleshooting skills gained from this article, you can troubleshoot your LG Inverter AC like a pro and ensure optimal cooling comfort.
LG Inverter AC PCB 5 Time Blinking or CH 05 problem
Frequently Asked Questions (FAQ)
What does Error Code E1 mean on an LG inverter AC?
Why am I seeing Error Code CH 10 on my LG inverter AC?
How do I fix Error Code CH 38 on my LG inverter AC?
What is the meaning of Error Code E6 on an LG inverter AC?
How do I troubleshoot Error Code E5 on my LG inverter AC?
Conclusion: Understanding LG Inverter AC Error Codes: A Crucial Guide for Effective Troubleshooting
In conclusion, understanding the LG Inverter AC Error Code List is crucial for effectively troubleshooting any issues that may arise with your AC unit. The article provided a comprehensive summary of the most common error codes encountered in LG Inverter AC units, including their possible causes and troubleshooting steps.
Error Code 01 indicates a communication error between the indoor and outdoor units, with possible causes being faulty wiring, defective communication cables, or a malfunctioning control board. Error Code 02 points to an issue with the indoor coil sensor, while Error Code 03 indicates a problem with the outdoor coil sensor.
Error Code 04 indicates a failure in the water pump, and Error Code 05 points to an EEPROM error. Error Code 06 and Error Code 07 indicate faults in the indoor and outdoor fan motors, respectively. Error Code 08 indicates a failure in the compressor, while Error Code 09 indicates a high or low pressure error in the AC system.
Error Code 10 points to a failure in the inverter PCB, Error Code 11 indicates a fault in the current sensor, and Error Code 12 indicates a voltage error. The article also briefly touched on less common error codes and provided a general troubleshooting process for them. Additionally, it discussed various reset procedures, including manual reset and resetting through the remote control.