LG ACHH017VBAB Installation And Owner's Manual page 122

ERROR CODE TABLES
Error code
CHxx021
CHxx022
CHxx023
CHxx024
CHxx025
CHxx026
CHxx028
CHxx029
122
Control during error
Inverter compressor IPM fault
Inverter compressor drive IPM defect/Inverter compressor defect
Stop applicable cycle
Inverter compressor input over-current
Inverter compressor input over-current
Stop applicable cycle
Inverter compressor DC link low pressure
DC voltage charge defect
Stop applicable cycle
Cycle high pressure switch operation
High pressure switch operates due to abnormal high pressure
Stop applicable cycle
High/Low voltage of input voltage
Over/Under permitted voltage of input voltage, N
Stop applicable cycle
Inverter compressor start failure error
Initial start failure from compressor defect
Stop applicable cycle
Inverter DC link high voltage error
Defect from DC voltage and over-charge
Stop applicable cycle
Inverter compressor over-current
Exceed limit
Stop applicable cycle
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Error name
Error condition
Cancel condition
Automatically return to normal condition
Automatically return to normal condition
Automatically return to normal condition
Automatically return to normal condition
Automatically return to normal condition
Automatically return to normal condition
Automatically return to normal condition
Automatically return to normal condition