Haier AB12CS1ERA Service Manual page 405

Super Match
Module input over-current
Check if wire of electric box is
correct, and if compressor wire
is fixed well
If compressor is
normal(compressor coil
resistor, insulation)
If power module is normal
Solve the failures due
to relative information
MCU reset
Check if wire of electric box
is correct , and if compressor
wire is fixed well
If compressor is
normal(compressor coil
resistor, insulation)
If PCB is normal
Solve the failures due
to relative information
N
Y
N
Y
N
Y
N
Y
N
Y
N
Y
Correct the wiring due to diagram
Repalce compressor
Replace power module
Correct the wiring due to diagram
Repalce compressor
Replace PCB
403