Haier AB12CS1ERA Service Manual page 401

Super Match
Compressor out of control circuit
Check if voltage of power
supply is normal
Check if wire between
power module and
compressor are correct
If power module is normal
If compressor is
normal(compressor coil
resistor, insulation)
Compressor load
too much, check the
reason
N
Y
N
Y
N
Y
N
Y
Improve power supply circuit
Correct the wiring due to diagram
Replace power module
Repalce compressor
399