Samsung RT53 - When PANEL PCB operates abnormally

Total Ver.02
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Hotpoint,Mba
4033 Cv
LG_MULTI_F_3828A20097W_1[1]
Samsung
Refrigerador
346481235-
WD856UHSAWQ-



0
TROUBLESHOOTING
4-2-7. When PANEL PCB operates abnormally
The connector on the
Fridge Top Table is
inserted properly.
MAIN PCB Connector
(CN51) 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
It lights up when
PANEL-PCB is being
replaced
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
Defective PANEL PCB
No
No
Being Pressed
When PANEL KEY is
not selected
No
No
When being separated, it works
Y
es
Y
es
Y
es
Y
es
Y
es
Y
es
Y
es
No
Refer to Wiring Diagram
attached in this manual
and check the Electrical
Diagrams attached on the
back of the unit.
①
When PANEL
PCB does not light up or partially does
②
When Panel PCB
buttons are n
ot 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