Failure code
Failure name
Occurrence condition
Control when occurring
Removal condition
CHxx052
Communication error
Communication defect occurrence
Correspond cycle stop
Automatic return to a normal condition
CHxx053
Communication failure between Indoor and Outdoor Unit
Communication failure between Indoor and Outdoor Unit
Stop applicable cycle
Automatically return to normal condition
CHxx054
Refrigerator 3 phase power opposite phase / Omitting of phase S power
Refrigerator 3 phase power opposite phase connection / Omitting occurrence of phase
Correspond cycle stop
Automatic return to a normal condition
CHxx057
Communication defect between an inverter board and a main board
Communication defect occurrence with an inverter control part
Correspond cycle stop
Automatic return to a normal condition
CHxx059
Installation Failure of Series Model Outdoor Unit
Installation Failure of Series Model Outdoor Unit
Stop applicable cycle
Automatically return to normal condition
CHxx060
Inverter PCB EEPROM error
Inverter PCB EEPROM error
Correspond cycle stop
Automatic return to a normal condition
CHxx062
Surge in inverter board IPM temperature
Surge in inverter board IPM temperature
Correspond cycle stop
Automatic return to a normal condition
CHxx065
Inverter IPM temperature sensor defect
Inverter IPM temperature sensor Short/Open
Correspond cycle stop
Automatic return to a normal condition
CHxx067
Fan lock
Fan locked
Stop applicable cycle
Automatically return to normal condition
The phenomena from main component failure
- 50 -