LG WTG1432VH Service Manual page 47

Display
Lid open
(When the lid cannot
be locked)
Lid locked
(When the lid cannot
be locked)
Level sensor problem
(When there is a
problem with the level
sensor)
Motor locking problem
(When there is a
problem with the motor)
Clutch problem
(When there is a
problem in the clutch)
Problem Diagnosis
Standard
When the door cannot be
・
locked
When the door cannot be
・
open
When the door cannot be
・
locked
・ When the door cannot be
open
・ When the frequency
generated by recognizing
level height in the pressure
switch goes out of the
standard boundary (It occurs
when the condition of the
level frequency less than
20.0KHz or over 30.0KHz is
maintained for 5 sec. or more)
・ It occurs when the motor is
locked
・ When the clutch is not
working
Estimated Cause of
Abnormal Condition
1. When there is a foreign object
in the lid lock hole
2. when lid lock unit is defect
3. When the connector connected
to the lid lock is fallen off or
contact is defect
4. When the hook is defect
5. When the lid is defect
6. When the controller is defect
1. When there is a foreign object in
the lid lock hole
2. When lid lock unit is defect
3. When the connector connected
to the lid lock is fallen off or
contact is defect
4. When the hook is defect
5. When the lid is defect
6. When the controller is defect
1. When the connector connected
to the pressure switch or the
blue 6 pin connector is fallen off
or contact is defect
2. When the pressure switch unit
is defect
3. When the controller id defect
1. When the connector connected
to blue connector is fallen off or
contact is defect
2. When the controller is defect
3. When the motor connection
connector is fallen off or contact
is defect
4. When the bearing is locked
1. Connection part contact defect
2. Coupling damaged
3. Pulsator locked
46
Action
・ Remove the foreign object
in the lid lock hole
・ Replace the lid lock
・ Reconnect the connector
or correct the contact
defect
・ Replace the lid
・ Replace the lid
・ Replace the controller
・ Remove the foreign object
in the lid lock hole
・ Replace the lid lock
・ Reconnect the connector
or correct the contact
defect
・ Replace the lid
・ Replace the lid
・ Replace the controller
・ Reconnect the connector
or correct the contact
defect
・ Replace pressures witch
・ Replace controller
・ Reconnect the connector or
correct the contact defect
・ Replace controller
Turn the inner tub with hand
・
to check the status, and if it
cannot be rotated, replace the
bearing housing assy.
・ Check the connection part
reconnection defect and
correct
・ Disassembly the Motor and
check the damage of the
coupling (If it is damaged,
replace the part)
・ Check the pulsator locking by
foreign object (Remove the
foreign object)