LG WFT15D81E(H)P Service Manual page 48

8) Water drains thought it is not the time of drain.
Where, what & how to check?
PV Case
1. If water drains though the drain motor is
normally returned, check whether PV
asm is blocked by foreign objects or the
bellows in the PV asm is deformed.
Controller
1. Check whether the drain motor or the
drain pump works immediately after
power is turned on.
9) Drain error happens while water drains normally.
Where, what & how to check?
Ball Pressure Sensor
(Pressure Switch)
1. Check generation frequency of the Ball
Pressure Sensor (Pressure Switch)
without water.
10) Spin extraction is not proceeded.
Where, what & how to check?
Motor
1. In the case that the wash motor does
not spin during spin extraction;
1) Check there is motor working sound,or
Result of Check
Blocked.
Bellows deformed. Defect of PV Bellows.
Works.
Defect of the controller
(Triac defect)
Result of Check
Less than Defect of the Ball Pressure
26.3 kHz Sensor(Pressure Switch).
26.3~27.1 kHz Defect of the controller.
Result of Check
Defect of the capacitor or
There is motor
Mechanically locked.
working sound.
47
Possible Cause
Remove the objects in the
PV asm.
Change the PV bellows.
(The bellows may swell up if
it contact petroleum or
petrochemical substance
because it is made of rubber)
Change the controller.
Possible Cause
Change the Ball Pressure
Sensor (Pressure Swtich)
Change the controller.
Possible Cause
Change the capacitor after
checking defect of
capacitor. check whether
the washing clutch or the
washing tub is blocked if the
motor rotates after removing
the V-belt. Check whether
the motor is locked if the
motor does not rotates even
though the V-belt being
removed.
How to repair & settle
How to repair & settle
How to repair & settle