LG LSSB2791ST Service Manual page 45

TROUBLESHOOTING
3. Troubleshooting Without Error Display
14) Cube mode doesn't work
No
1
Check the loose connection.
2 Check the Black to Blue.
(While pushing the lever S/W)
Check the Pin25 to Pin26 of CON7.
3
(While pushing the lever S/W)
4
Check the resistance value.
<Ice Maker>
Checking flow
CON 3
(1) (2)
<Geared Motor>
Result & SVC Action
Lever s/w
Pushing
Not pushing
Lever s/w
Pushing
Not pushing
Point
15.3~19.3Ω
(1) to (2)
45
Result
SVC Action
100~127V Go to the 3
Other Change PCB
0~2V Go to the 3
Other Change PCB
Result
SVC Action
4.5~5V Go to the 5
Other Change PCB
0~2V Go to the 5
Other Change PCB
Result
SVC Action
Explain
Replace Geared
Other
Motor