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The phenomena from main component failure
Failure code
Failure name
Occurrence condition
Control when occurring
Removal condition
CHxx013
Load water flow switch error
During a mobile and an operation, in case of detecting the turning off of load flow switch for 3 seconds, 3
times of accumulation occurs within a hour. When occurring turning off phenomenon for more than 9 sec-
onds total within a hour
Product stop
HMI Reset button press
CHxx015
Remote alarm
When performing a remote mode of a control mode, a signal of the hardware connection gets short gradually
Product stop
Automatic return to a normal condition
CHxx021
Inverter compressor IPM fault
Inverter compressor drive IPM defect/ Inverter compressor defect
Correspond cycle stop
Automatic return to a normal condition
CHxx022
Inverter compressor input over current
Inverter compressor input over current occurrence
Correspond cycle stop
Automatic return to a normal condition
CHxx023
Inverter compressor DC Link low voltage
DC voltage charge defect
Correspond cycle stop
Automatic return to a 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 voltage/ low voltage of input voltage
Voltage allowance of input voltage excess/under
Correspond cycle stop
Automatic return to a normal condition
CHxx026
Inverter compressor restart fail error
Initial start-up fail due to defect of a compressor
Correspond cycle stop
Automatic return to a normal condition
