LG GC-B207GLQV

Check fan
motor(Connector,
Frozen Locked)
Remove
No
Yes
Is the feedback voltage
between pin 9 and pin10 of
CON8 like as below?
(from motor to main board)
N0
Yes
No
Test Point Result
pin12 To pin9 12 ~ 16 V
Test Point Result
Pin10 To pin9 1 ~ 4 V
Yes
No
Housing
Main
PCB
BO/BL
CON8
10
12
9
5
4
3
YL
PR
F-FAN
1
2
3
RD
PR
BK
Wiring diagram
Freezer Fan voltage
Feedback voltage
Yes
Freezer Fan Error
Yes
Pin12Pin9
Pin10 Pin9
Is it displayed under picture?
Is the connection loose ?(CON8)
Reconnect
Enter the TEST 1 MODE
Is voltage value between pins
9 & 12 of CON8 as below?
Explain to the customer!
Replace
MAIN PCB
Replace
MAIN PCB
- 40-