LG WF-HX120GV/01 Service Manual page 43

Display
Coin stuck
(When there is a
problem with the motor
due to foreign object)
THERMISTOR
Power
Failure
ERROR
Drain Valve Problem
OVER
FLOW
ERROR
Problem Diagnosis
Standard
Occurs when motor is
locked
Thermistor has a bad
connection or failed
The washer experienced a
power failure
. ( occurs
only in the case of a power
failure and estart the cycle
to eliminate it. It is the
normal phenomenon )
When drain valve is not
working
Estimated Cause of
Abnormal Condition
1. When foreign object such as
coin, pin, or clip entered the
washing plate
Check the connections at the
Thermistor and at the WHITE
3-pin connector at the main
board
Test thermistor to determine it is
not detective
When occurred a power failure.
When the power cord is fallen
off suddenly.
Connection part contact defect
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)
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.
43
Action
Remove the coin or foreign
object stuck between the
washer vane with pliers,
etc.
Reseat the connector.
Replace the thermistor if
necessary.
Restart the cycle.
Reconnect the power cord.
Check the connection part
reconnection defect and
correct.
Replace the new drain
valve.
Install the drain hose
between 0.9 ~ 1.2 m (36
and 48 inches) above the
Replace pressure sensor
switch
Remove the foreign
objects in pressure sensor
switch air hose.