LG LFX25992ST Service Manual page 38

8-9 Freezer Fan Error (Er FF)
No
1 Reset the unit and
Input Test 1 Mode.
(Push the button 1 time)
2 Open the freezer door and Check the air
flow.
3 Check the Fan motor.
4 Check the Fan motor voltage.
Checking flow
(3) (2) (1)
<CON7>
Result & SVC Action
Rotate fan using your hand.
It feel sticky, change the motor.
(cause of ice or rust inside of motor)
Point
(1) ~ (2) Below 12 V
(1) ~ (3) 0 or 5 V
- 38 -
Status SVC Action
No windy Go to 3
Windy Go to 4
Result SVC Action
Change the PCB
Change the motor