LG GB7143**AV Series Service Manual page 55

10. Refrigerator Fan Error (rF)
No
1 Reset the unit and
Input Test 1 Mode.
(Push the button 1 time)
2 Open the Refrigerator door and Check the
air ow.
While an error code is displayed,
the fan is not working.
3 Check the Fan motor.
4 Check the Fan motor voltage.
(1)
Checking ow
(3) (2) <CON6>
Result & SVC Action
Rotate fan using your hand.
It feel sticky, change the motor.
(Cause of ice or rust inside of motor)
Point Result
(1) ~ (2) Below 12 V
(1) ~ (3)
- 55 -
Status SVC Action
No windy Go to 3
Windy Go to 4
SVC Action
Change the PCB
0 or 5 V Change the motor