LG LFC24770ST - 7-8 Communication Error (CO E)

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
24