Identify the problem. Which lamp bulb is failing?
Remove Cover PCB, then, check voltage in Main
1
2
NO.
CHECKING FLOW RESULT & SERVICE ACTION
3
Remove Refrigerator Control Box, then check for any
loose connection.
4
1) Press and hold refrigerator Door S/W.
2) Replace lower Lamp Bulb by a new piece.
3) Release Door S/W.
4) Check the result.
Result
Service Action
Go to Step 7
Upper
Lower
Replace Lamp Bulb
Result
Service Action
Firmly plugged
Loose
Go to Step 8
15) Refrigerator Lamp is not working
Both
Go to Step 8
Result
Service Action
Go to Step 9
0 ~ 5 Vac
110 ~ 127 Vac
Replace Main PCB
Result
Service Action
Replace the Lamp Bulb
remaining by a new piece
ON
OFF
Replace product
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