Troubleshooting Without Error Display - LG LFX25973 Series Service Manual

9. TROUBLESHOOTING WITHOUT ERROR DISPLAY

9-1 Cube mode doesn't work
No
Check the loose connection on the
1
Dispenser PCB
2 Check the Black to White on the Dispenser
PCB (While pushing the Ice Button)
3 Check the RED to White Red.
(While pushing the lever S/W)
4 Check the resistance value.
<Ice Maker>
(1) (2)
<AC Indoor Motor>
Checking flow
<CON2>
<CON3> <CON1>
(3)
(4)
<Dispenser Motor>
Result & SVC Action
Ice Button
112 ~ 115 V
Pushing
Not
pushing
Ice Button
Pushing
Not
pushing
Point
31.1 ~ 42.1 Ω
(1) to (2)
9.9 ~ 12.1 Ω
(3) to (4)
- 32 -
Result SVC Action
Go to the 3
Other Dispenser PCB
0 ~2 V Go to the 3
Other Dispenser PCB
Result SVC Action
9 ~ 12 V Go to the 4
Other Dispenser PCB
0 ~2 V Go to the 4
Other Dispenser PCB
Result SVC Action
Explain
Replace
Other
<AC Indoor Motor>
Explain
Replace
Other
<AC Indoor Motor>