LG LFX25973 Series Service Manual page 29

8-7 Icing Fan Error (Er IF)
No
1 Reset the unit and
Input Test 1 Mode.
(Push the button 1 time)
2 Open the refrigerator door and Check the
air flow.
※ While an error code is displayed,
the fan is not working.
3 Check the Connector.
(Frozen caused the PCB short)
4 Check the Fan motor.
(Frozen, Lock, ect.)
5 Check the Fan motor voltage.
Checking flow
(1)Pin1, (2)Pin3, (3)Pin5
<CON7>
Result & SVC Action
Tip
To protect ice short, add wire seal in
connector. We developed new type
connector, so order the new type.
Wire seal (silicon)
No Part Name
Duct Asm,
407A
Connector
Point
(2) ~ (3) Below 7 V
(1) ~ (3)
- 29 -
Status SVC Action
No windy Go to the 3,4
Windy Go to the 5
Old P/No New P/No
5209JA 5209JA
1044A 1044A
Result SVC Action
Change the PCB
0 or 5 V Change the motor