LG LRFCS25D3 Series Service Manual page 24

7-8 Communication Error (CO E)
No
Check for loose connection in
1
PCB Display
2 Check voltage between wires Red to white/red
CON101
3 Check voltage between wires White/Red
to Orange
CON101
Check voltage between wires White/Red to
4
White/Black
CON101
1.- Check for loose connection in
5
from Main PCB
2. Check voltage between wires Orange to
Red/White.
Checking flow
CON101 from
.
<CON101>
<Display>
<CON101>
<Display>
<CON101>
<Display>
CON5
.
Result & SVC Action
Result
12 V
Other
Result
0 V or 5 V
Other
Result
0 V or 5 V
Other
Result
0 V or 5 V
Other
24
SVC Action
Go to the 3
Check the Hinge
(loose connection)
Change the Main PCB
SVC Action
Change the Display PCB
Go to the 4
SVC Action
Change the Main PCB
Go to the 5
SVC Action
Change the Display PCB
Go to the 6
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