WD-10390GD - LG Washing Machine Service Manual (repair manual). Page 27

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26
Is the air chamber and the tube clogged?
Replace the 
Main PCB
.
Is the 
Connector
connected correctly to
the 
Main PCB
and the 
Pressure Switch
?
Or is the 
Harness
alright ?
Reconnect or repair the 
Connector
.
Or replace the 
Harness
.
Check air chamber and remove the foreign material.
Replace the 
Pressure Switch
.
YES
YES
NO
Is the resistance of the 
Pressure Switch
out of range? 
[Pin1 ~ Pin3] 
21~23Ω)
NO
NO
YES
Pressure Sensor S/W Error (PE)
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