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4 Compressor no starting
6 product no any work
no problem
PCB failure
Compressor wire not right or compressor
damage
the PCB failure
the time between two starting is shorter than 12min; or refrigerator room
temperature is lower than the setting temperature, in this case, it is no
problem. You need waiting more time.
PCB had automatic self-examination: open the cover of PCB at the back
of product, plug in power and push the SW101 switch 3 seconds and the
PCB begin automatic self-examination program, then the led and
compressor and fan and defrost heater all work two second and then
stop, all wore one time and then quit automatic self-examination
program, and the program will return the original setting. If the
automatic self-examination program no work, it mean the PCB failure
and need change it
measure the voltage of compressor input connector, if it is OK then
check the starting and relay of compressor, also check the wire if it is
OK
check the power by multimeter, if the input voltage is 220V-240, but the
led, compressor, fan, defrost heater are all no work, it mean the PCB
failure and need change a new PCB
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