LG LFXS27466S, Service Manual

Page: 35 / 107

TEST MODE 1
Voltage [V]
CON7
8
th pin ~ 12 th pin
Not 0V, 5V
Freezer Fan Error (Er FF)
1
2
Open the freezer door and Check
the air flow. Windy?
No
Yes
Go to 3
4
Check the Fan Motor voltage
Is Fan Motor voltage 8~12V?
Yes
3
Check the Fan motor.
Rotate fan using hand.
It feel sticky?
Yes
Change the
Fan motor
Replace
Main PCB
No
Reset the unit and
Input Test1 Mode.
(Push the button 1 time)
Go to 4
Fan Motor
TEST MODE 1
Voltage [V]
CON7
10
th pin ~ 12 th pin
8~12V
5
Check the Fan Motor voltage
Is Fan Feed Back voltage 0V, 5V?
No
Change the
motor
Yes
6
Explain to customer
CON7
CON7