46
Domestic Air Conditioner
F22
3
Overcurrent protection of AC electricity
for the outdoor model
F3 4
Communication fault between the IPM and
outdoor PCB
Page 56
F20 6 Power voltage is too high or low Page .57
F4 8 Overheat protection for exhaust temperature Page .58
F21 10 Defrost temperature sensor failure Page .50
F6 12 Ambient temperature sensor failure Page .50
F25 13 Discharge temperature sensor failure Page .50
F11 18 deviate from the normal for the compressor Page .61
F28 19 Loop of the station detect error Page .61
F2 24 Overcurrent of the compressor Page .55
Outdoor
Malfunction
F23 25
Overcurrent protection for single-phase of the
compressor
Page .55
F7 11
Suction temperature sensor failure
Page .50
Service Diagnosis
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