LG LBC24360ST Service Manual - Page 27

Other, Go to the 3, Check the Hinge, loose connection, Change the Main PCB, V or 5 V, Change

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7-8 Communication Error (CO E) No Checking flow 1 Check for loose connection in CON101 from PCB Display. 2 Check voltage between wires Red to Blue. CON101 3 Check voltage between wires Blue to Yellow. CON101 4 Check voltage between wires Blue to Purple. CON101 1.- Check for loose connection in CON5 5 from Main PCB. 2.- Check voltage between wires Blue to Yellow. Result & SVC Action Result 12 V Other SVC Action Go to the 3 Check the Hinge (loose connection) Change the Main PCB Result 0 V or 5 V Other SVC Action Change the Display PCB Go to the 4 Result 0 V or 5 V Other SVC Action Change the Main PCB Go to the 5 Result 0 V or 5 V Other SVC Action Change the Display PCB Go to the 6 27

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7-8
Communication Error (CO E)
No
1
2
Checking flow
Check voltage between wires
.
Red to Blue
Result & SVC Action
Result
12 V
Other
SVC Action
Go to the 3
Check the Hinge
(loose connection)
Change the Main PCB
5
<CON101>
<Display>
3
Check voltage between wires
.
Blue to Yellow
Result
0 V or 5 V
Other
SVC Action
Change the Display PCB
Go to the 4
4
Check voltage between wires
.
Blue to Purple
Result
0 V or 5 V
Other
SVC Action
Change the Main PCB
Go to the 5
Result
0 V or 5 V
Other
SVC Action
Change the Display PCB
Go to the 6
<CON101>
<Display>
<CON101>
<Display>
CON101
CON101
CON101
<Drawer Model>
<Swing Model>
Check for loose connection in
from
.
CON101
PCB Display
1.- Check for loose connection in
from
.
2.- Check voltage between wires
.
CON5
Main PCB
Blue to
Yellow
27