LG WTG8520 Service Manual page 48

1 1 ) S pin i n g is g o in g o n e v e n t h o u g h t h e lid is o pe n .
Where, what & how to check?
Safety Switch
1. Check resistance between both
terminals of the safety switch with
the lid open.
Ball Pressure Sensor
1. Is placed the magnetic on the wash?
12) S pin ba sk e t do e s n ' t re a ch t o f u ll spe e d ( n o r m a l r pm )
Where, what & how to check?
Main voltage
1. Check voltage at the power outlet
where the washer is plugged into.
Clutch Assembling
1. Check the clearance between the
PV link and the brake lever and
clearance between the clutch lever
and the adjustment bolt.
Blocked by foreign objects
1. Check whether the PV asm, the
drain pump & the drain hose are
blocked by foreign objects so that it
makes water-splashing noise in the
tub.
Result of Check Possible Cause How to repair & settle
0~9Ω
∞Ω
Yes
No
Result of Check Possible Cause How to repair & settle
Less than
85% of rating
The clearance is
less than 2.0 mm
or more than 3.5 mm
Bolt clearance is
out of range
1.9 0.1mm
48
Contact points of
Change
the safety switch
Switch
are welded.
Defect of the
Change the controller
controller.
Reed S/W is short
Keep magnet away from
by magnetic on
the washer.
the washer.
Reed Switch.
Change the controller.
Explain the cause and
recommend using a
Tool low voltage
transfomerformer if
necessary.
Adjust PV lever bolt and
paint it red.
Reassemble the drain
motor or the clutch.
Defect of the Adjust the bolt
clutch clearance.
Remove the foreign
objects.
the Safety