LG GC-B207GLQV

Is the voltage between pins
9 and pin10 of CON6?
Is the voltage between pins
17 and pin 18 of CON8?
Is the connection loose ?
(CON5 & CON8)
Reconnect
Door Test Point Result
Close Pin10 To Pin9 5 V
Open Pin10 To Pin9 0 V
Yes
No
Door Test Point Result
Close Pin18 To Pin17 0 V
Open Pin18 To Pin17 12 V
Yes
No
(1)(2)
Is the condition of
the freezer door switch
like as below?
Yes
State Result
Normal 0 Ω
Push ∞
Freezer-lamp (LED) doesn’t work
No
Yes
Voltage of Door switch
No
voltage of Freezer lamp
Replace
F-D S/W
Replace Freezer-lamp (LED)
Explain to the customer!
Replace
Main PCB
Main PCB
PK
PK
F-DOOR Switch
CON5
9
F LED PCB
Wiring diagram
Pin10Pin9
BL/WH
Replace
Main PCB
10
17
18
CON8
RD/WH
Pin18Pin17
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