LG LFXS30726S Service Manual page 64

6
Check the Fan Motor voltage
Is Fan Motor voltage 8~12V?
TEST MODE 1
CON7
10 th pin ~ 12 th pin
Yes
7
Check the Fan Motor voltage
Is Fan Feed Back voltage 1~5V?
TEST MODE 1
CON7
8 th pin ~ 12 th pin
No
8
Explain to customer
Replace
No
Main PCB
Voltage [V]
8~12V
Change the
Yes
motor
Voltage [V]
Not 0V, 5V
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