92
TROUBLESHOOTING
1) When Panel PCB does not light up or partially does
- 1 BOARD
The connector on the
Top Table is inserted properly.
Main PCB connector CN50 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 the connector and
correct the defective contact.
Re-insert the Main PCB connector.
Reassemble the PCB ASS'Y and
clear the button jam.
Re-insert the connector and
correct the defective contact.
Press the Power Cool Key for 3 seconds
and then check the display.
Reassemble the PCB ASS'Y and
clear the button jam.
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
Diagram attached on the back of the
unit.
2) When Panel PCB buttons are not working
※ When the problem persists even after the above measures
1) Check the Fridge Door Wiring - Short or Open Wire.
2) Check the CABI Upper Wiring - Short or Open Wire.
3) Check the Short/Open at Main PCB Panel Lamp Circuit.
1) Check the Fridge Door Wire - Short or Open Wire.
2) Check the CABI Upper Wiring - Short or Open Wire.
3) Check the Short/Open at MAIN PCB Panel Communication/Power-Supply Circuit.
It lights up when Panel PCB is
being replaced.