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LG Error Codes

Common error codes
Hycool Air Conditioning & Electrical

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LG air conditioning units utilize error codes to indicate specific malfunctions or issues. Below is a list of common error codes along with their descriptions.

Indoor Unit Error Codes

CH01

Indoor Temperature Sensor Fault

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CH02

Indoor Coil Sensor Fault

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CH06

Indoor Pipe Sensor Fault

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CH10

Indoor Fan Motor Fault

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System Error Codes

CH05

Communication Fault (Indoor/Outdoor)

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CH09

Indoor Unit EEPROM / PCB Fault

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CH21

Inverter/Compressor Overload

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CH26

Compressor / Current Sensor Fault

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CH29

Compressor Protection

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CH34

High Pressure Protection

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