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