Read LG WF-7500TC Service Manual online
45
11) Spining is going on even though the lid is open.
Where, what & how to check?
Result of Check Possible Cause How to repair & settle
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?
0~9.
8.
Yes
No
Contact points of
the safety switch
are welded.
Defect of the
controller.
Reed S/W is short
by magnetic on
the washer.
Reed Switch.
Change the Safety
Switch
Change the controller
Keep magnet away from
the washer.
Change the controller.
12) Spin basket doesn' t reach to full speed(normal rpm)
Where, what & how to check?
Result of Check Possible Cause How to repair & settle
Main voltage
1. Check voltage at the power outlet
where the washer is plugged into.
Starting Capacitor
1. Check the capacitance of the
starting capacitor.
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.
Less than
85% of rating
Lack of
capacitance
The clearance is
less than 2.0mm
or more than 3.5mm
Bolt clearance is
out of range
1.9¡ 0.1mm
Tool low voltage
Defect of
capacitor
Defect of the
clutch
Explain the cause and
recommend using a
transfomerformer if
necessary.
Change the capacitor
Change the capacitor
Adjust PV lever bolt and
paint it red.
Reassemble the drain
motor or the clutch.
Adjust the bolt
clearance.
Remove the foreign
objects.
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