Troubleshooting Without Error Display - LG LFX28978 series Service Manual

9. Troubleshooting Without Error Display

9-1 Cube mode doesn't work
No
1 Check the loose connection.
2 Check the Black to White.
(While pushing the lever S/W)
3 Check the RED to White Red.
(While pushing the lever S/W)
<CON3>
4 Check the resistance value.
<Ice Maker>
(1) (2)
<Geared Motor>
Checking flow
<CON2>
<CON1>
(3)
(4)
<Dispenser Motor>
Result & SVC Action
Lever s/w
112 ~ 115 V
Pushing
Not
pushing
Lever s/w
Pushing
Not
pushing
Point
31.1 ~ 42.1
(1) to (2)
9.9 ~ 12.1
(3) to (4)
- 34 -
Result SVC Action
Go to the 3
Other Change PCB
0 ~2 V Go to the 3
Other Change PCB
Result SVC Action
9 ~ 12 V Go to the 4
Other Change PCB
0 ~2 V Go to the 4
Other Change PCB
Result SVC Action
It's normal
Replace
Other
Geared Motor
It's normal
Replace
Other
Dispenser Motor