LG LFX2597 Series - Troubleshooting Without Error Display; Cube Mode Malfunction Diagnosis

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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 on the
Dispenser PCB
Check the Black 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 S/W)
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 Diaplay PCB
Replace Diaplay 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 ON3>
< C ON1>
(1)
(2)