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TROUBLESHOOTING
1) When PANEL PCB does not light up or partially does
4-16) When PANEL PCB operates abnormally
- 2 BOARD
The connector on the Fridge
Top Table is inserted properly.
MAIN PCB
Connector CN51 & CN52 is inserted
properly
There are no buttons
being pressed continuously.
DOOR PANEL PCB
Connector is inserted
properly
Room Lamp lights up
when you open a door
The trouble continues
with PCB being
removed
When PANEL-PCB is
being replaced, it
works normal.
Start
Re-insert Connector,
Correct the defective contact
Re-insert MAIN PCB Connector
Re-assemble PCB ASS'Y, Correct any
restrictions on the buttons
Re-insert Connector,
Correct the defective contact
Press the Power Cool Key for 3 seconds.
And then, check display.
Re-assemble PCB ASS'Y, Correct any
restrictions on the buttons
Defective PANEL PCB
Defective PANEL PCB
No
No
Being Pressed
When PANEL KEY is not selected
No
No
When being separated, it works
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
No
Refer to Wiring Diagram attached in
this manual and check the Electrical
Diagrams attached on the back of
the unit.
2) When Panel PCB buttons are not working
※ When the trouble is being remained after the above,
1) Check Fridge Door Wiring - Short or Open Wire
2) Check CABI Upper Wiring - Short or Open Wire
3) Check Short/Open at MAIN PCB Panel Lamp Circuit
1) Check Fridge Door Wire - Short or Open Wire
2) Check CABI Upper Wiring - Short or Open Wire
3) Check Short/Open at MAIN PCB Panel Communication/Power-Supply Circuit
It lights up
when PANEL-PCB is being
replaced