WD-10701MDS, WD-10770SR, WD-10780SR - LG Washing Machine Service Manual (repair manual). Page 23

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23
Is the water coming in
drawer 
continuously? 
Replace the 
Main PCB
.
After power off for 10 sec. and power on.
Does the water level over reference line 
and Is 
not
the water level frequency 25.5Khz or 26.1Khz ?
Or does 
not
the water level over reference line 
and is the water level frequency 25.5Khz or 26.1Khz? 
F1*92T/QD  Press 
“
Temp
.” and “
Medic Rinse
”
Replace the 
Inlet Valve
assembly.
YES
If FE is displayed again, 
then replace the 
Pressure Switch
.
If FE is displayed again, 
then replace the 
Main PCB
.
Check the 
Air Chamber
and the 
Tube
(clogged).
NO
NO
YES
Over Flow Error (FE)
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