LG LFX28968D Service Manual page 60

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