LG LFX2597 Series - Dispenser PCB Connection Issues in Cube Mode

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9-2 Cube mode doesn’t work
No
1
2
Checking flow
Check the loose connection on the
Dispenser PCB
Check the Skyblue to White on the Dispenser
PCB (While pushing the Ice Button)
Result & SVC Action
3 Check the Black to White/ Red.
(While pushing the lever Button)
4 Check the resistance value.
<Ice Maker>
<AC Indoor Motor> <Dispenser Motor>
(3)
(4)
Pushing
Not
pushing
112 ~ 115 V
Other
0 ~ 2 V
Other
Go to the 3
Dispenser PCB
Go to the 3
Dispenser PCB
Ice Button Result SVC Action
Pushing
Not
pushing
4.7 ~ 5 V
Other
0 ~ 2 V
Other
Go to the 4
Replace Display PCB
Replace Display PCB
Go to the 4
Ice Button Result SVC Action
(1) to (2)
(3) to (4)
31.1 ~ 42.1
Other
9.9 ~ 12.1
Other
Explain
Replace
<AC Indoor Motor>
Explain
Replace
<AC Indoor Motor>
Point Result SVC Action
< C ON2>
< C ON3> < C ON1>
(2)(1)