LG WT1201C Series Service Manual page 32

ERROR DECISION
ERROR
· Pressure switch has a
PRESSURE
SENSOR bad connection or the
switch has failed.
OVER
FLOW
ERROR
MOTOR
ERROR
LID
LOCK
ERROR
BASIS
· Check the connections at the
pressure switch and at the
BLUE 6-pin connector at the
main board.
· Check the pressure sensor
(21~23Ω ±10%) and
connection
· Check the valves to be sure
there is no input leakage. Then
check the drain hose and make
sure the drain pipe is between
0.9 ~ 1.2 m (36 and 48 inches)
above the floor.
· Check for blockages and leaks
in the air hose between the tub
and the pressure switch.
· Check and repair any air
leakages at the air hose
connector on the outer tub and
at any connecting parts.
· Check the connections at the hall
sensor and at the BLUE
6-pin connector on the main board.
· Check the connections at the
stator and at the yellow 3-pin or
BLUE 6-pin connector on the
main board. Test the stator to
determine it is not defective.
· Test hall sensor to determine it
is not defective.
· Turn the drum to verify the
bearings are not locked.
· Check the lid lock SW trying
locking
· Check the balance of the lid
CAUSE FOR ERROR
OCCURRENCE
32
REMEDY
· Reseat the connector.
· Replace the switch.
· Install the drain hose between
0.9 ~ 1.2 m (36 and 48 inches)
above the floor.
· Replace pressure sensor
switch
· Remove the foreign objects
in pressure sensor switch
air hose.
· Replace the stator if necessary.
· Replace the hall sensor if
necessary.
· Replace the bearings if
necessary.
· If trying, replace the Lid lock
SW or not trying replace the
Main PCB
· Replace the lid or se the
balance