WFT956DD - LG Washing Machine Service Manual (repair manual). Page 48

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47
4-9-1 TROUBLESHOOTING WITH ERROR
Is the resistance of the 
pressure sensor out of 
range? 
(pin 1~ pin 3)
(21~23 Ω ±10%)
Replace the
pressure 
switch
Is the AIR CHAMBER and the 
tube clogged?
Fix the air 
chamber 
and remove 
the foreign 
material 
Is               displayed?
No
Yes
Yes
No
Yes
No
Yes
Replace the MAIN PWB 
assembly
PRESSURE SENSOR ERROR
Is the connector connected 
to pressure sensor 
disconnected or 
disassembled? 
Reconnect or 
repair
the connector
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