18
Error Code
Abnormal point and detection method
Judgment and action
Case
PE
Inlet water temperature
Abnormal if the following conditions are
detected for continuously 10 seconds.
1.Cooling mode
During compressor operation
TH32 < 3
2.Heating mode (exclude defrosting)
During compressor operation
TH32 < -10
3.Defrosting mode
During compressor operation
TH32 < 0
Thermistor
TH32 : Inlet water temperature
Reduced water flow
· Clogged filter
· Leak of water
Low temperature
· Low-load
· Low temperature inlet water
Defective water pump
Leakage or shortage of
refrigerant
Check water piping.
Check water pump.
Check intake superheat.
Check leakage of refrigerant.
Summary of Contents for PUHZ-W90VHA
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