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8�3 FAULT CODES
Display
Er 05
High pressure alarm
Er 06
Low pressure alarm
Er 09
Controller communication failure
Er 10
Inverter module communication error
Er 12
High exhaust gas temperature alarm
Er 15
Water inlet temperature sensor failure
Er 16
Evaporator coil temperature sensor failure
Er 18
Exhaust gas temperature sensor failure
Er 19
DC fan motor error
Er 20
Inverter module abnormal error protection
Er 23
Low outlet water temperature protection under cooling mode
Er 29
Compressor suction gas temperature alarm
Er 32
Hight outlet water temperature protection under heat mode
Er 35
Compressor high current protection
Er 42
Condenser coil temperature sensor failure
When the heat pump displays any of these fault
codes please contact your dealer for advice.
1005759 ISS 1
Description of fault code
19
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