WT-R1374TP - LG Washing Machine Service Manual (repair manual). Page 36

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35
ERROR DECISION
CAUSE FOR ERROR
BASIS
OCCURRENCE
REMEDY
ERROR
• Water Pressure Switch
is off.
PRESSURE
SENSOR
OVER 
FLOODING
ERROR
MOTOR
ERROR
• Connector the PRESSURE S/W
ASM or RED(ORANGE or PINK) 4
pin connector to P.W.B ASM has
bad connection.
• PRESSURE S/W is bad.
(In the initial state of QC TEST MODE,
For WT-R80(5)1
the number on the DISPLAY is less
than 63 or more than 70
Except 
for WT-R80(5)1
the number on the DISPLAY is
less than 60 or more than 104)
• Check water leakage or 
whether the drain hose is hung
on to drainage which is 0.9 m
obove from floor.
• Check blockage of air hole or 
air tube.
• Check & repair air leakage at
the air hole of outer tub the air 
tube or connection parts.
• Connector the HALL Sensor or
Natural 6 Pin connector to P.W.B
ASM had bad connection .
• Connector the stator ASM, and
YELLOW(GREEN) 3 Pin or
Natural 6 Pin connector to P.W.B
ASM had bad connection
• Hall sensor is bad.
• Locked by Bearing Housing 
• Correct the connector contact.
• Replace PRESSURE S/W ASM.
• Hang drain hose which is 
minimum 0.9m above from floor.
• Replace pressure sensor
switch
• Remove the foreign objects in
pressure sensor switch 
• Correct the connect contact.
• Change Stator ASM.
• Change Bearing Housing ASM.
• Change P.W.B ASM.
• Change Stator ASM.
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