Daewoo FRU-541 Series - Troubleshooting: Freezing and Cooling Failures

1. Faulty Start ( Lights OFF, Front PCB Power Dead )
TROUBLE SHOOTING
Power plug or fuse is
connected?
Start
Chage the plug or Fuse
1st power of SMPS
is ON?
Main PCB Fuse is
connected?
Voltage value on
Main PCB is OK?
Wire connection of
Front PCB is OK?
Check the plug connection
from compressor room and to
CN1 of Main PCB
Change the fuse
( on the Main PCB )
Change the Main PCB
Chage Front PCB
Checkup and connect
Front PCB wires
Yes
No
Yes
No
Yes
No
No
Yes
No
Yes
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