LG LFX31925 Series - Replacing the Fresh Air Filter

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9. Troubleshooting Without Error Display
9-1 Cube mode doesn’t work
No
1
2
Checking flow
Check the loose connection.
Check the Black to White.
(While pushing the lever S/W)
Result & SVC Action
<CON2>
3 Check the RED to White Red
.
(While pushing the lever S/W)
4 Check the resistance value.
<CON1><CON3>
<Ice Maker>
<Dispenser Motor>
(2)(1)
(3)
(4)
Pushing
Not
pushing
112 ~ 115 V
Other
0 ~ 2 V
Other
Go to the 3
Change PCB
Go to the 3
Change PCB
Lever s/w Result SVC Action
Pushing
Not
pushing
9 ~ 12 V
Other
0 ~ 2 V
Other
Go to the 4
Change PCB
Go to the 4
Change PCB
Lever s/w Result SVC Action
(1) to (2)
(3) to (4)
31.1 ~ 42.1
Ω
Other
9.9 ~ 12.1
Ω
Other
Explain
Replace
Geared Motor
Explain
Replace
Geared Motor
Point Result SVC Action