LG LFX25992ST Service Manual page 39

8-10 Icing Fan Error (Er IF)
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 Connector.
(Frozen caused the PCB short)
4 Check the Fan motor voltage.
(3) (2) (1)
Checking flow
<CON7>
Result & SVC Action
Point
(1) ~ (2) Below 9 V
(1) ~ (3)
- 39 -
Status SVC Action
No windy Go to the 3,4
Windy Go to the 5
Result SVC Action
Change the PCB
0 or 5 V Change the motor