T1203AFPT0, T1203AFPT1, T8526AFEPCT15 - LG Washing Machine Service Manual (repair manual). Page 46

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4-8-1 TROUBLESHOOTING WITH ERROR
Is               displayed?
No
Yes
Yes
Yes
UNBALANCE ERROR
When you press both 
Water 
level button and Spin button 
simultaneously, is the water 
level frequency over 
21.3kHz? 
(Refer to 7-4)
Check the AIR 
CHAMBER
and the tube 
(clogged).
Replace the 
INLET VALVE ASSEMBLY
Is              displayed?
Yes
No
Yes
No
Yes
OVER FLOW ERROR
Does the laundry lean 
toward one side, not evenly 
put in the DRUM assembly?
Put laundry 
evenly
In the DRUM 
assembly
Is the washing machine 
installed at an angle?
Adjust the 
height of
washing 
machine
to be kept 
horizontally
[Note] Environmental check list
1) Removal of transportation-based fixed bolt
2) Confirmation on the material to see if it is capable
of handling two different types of blanket materials
Does the inlet valve work 
when the power is not 
applied?
If the inlet 
valve work 
continuously
when the power
is applied,
Replace the 
MAIN PWB 
ASSEMBLY
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