Haier HSU-18LEK03/R2 Service Manual page 48

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