Troubleshooting Else; Cube Mode Doesn’t Work - LG LFX28977ST/01 Service Manual

6-3. Troubleshooting Else

CUBE Mode doesn't work
Dispenser PWB
Is the connection loose?
No
Reconnect
Yes
- 36 -
In CUBE Mode,
Is the voltage between pin3
and pin12 of CON2 like as
below, while pushing the
ICE lever switch?
Relay open of cube solenoid
Lever switch Test Point
Pushing pin3 To pin12
Normal pin3 To pin12
Yes
Replace
No
Dispenser
PWB
(Position No :
500C)
Pin2 WH
Pin12 BK
Result
115 V
0 ~ 2V