WF-SA12HD6 — LG Washing Machine Service Manual (repair manual). Page 51

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11) Vibration, Noise or Unbalance Error happens during spin.
Where, what & how to check?
Result of Check
Possible Cause
How to repair & settle
Using conditions such as
installation etc.
1. Check whether the washer is leveled.
(Check clearance with out tub and out
case the left gap is the same as the right
and the rear gap is 1.5~2 time bigger
than the front gap, between the cabinet
and the wash bowl, when it is leveled.)
2. Check whether laundry in the wash bowl
is out of balance that can cause severe
vibration &noise.
3. Check whether the puisator doesnʼt
rotate during spin. (To check that,
remove the front lid and than run the
spin only cycle.)
1. Check whether the outer tub cover hit
the top cover without load during spin.
Not leveled.
Laundry is
The pulsator rotates
initially then the inner
tub rotates.
It is very important to find out what kinds of noise & where comes from to settle noise during spin and accumulately
service experiance.
Defect of installation
Defect of the clutch
Defect of the Suspension
Level the washer.
Explain that it is not out of
order and it may happen
when big &long laundry is
Change the clutch spring-B
or the clutch asm.
Change four suspensions
(In assembling, check the
position to suspension asm)
12) Power is automatically turned off during operation or immediately turning on
the power button.
Where, what & how to check?
Result of Check
Possible Cause
How to repair & settle
Defect in mains
Explain the cause
(It happens specially when a
high frequency equipment is
a used around the washer or
in the case voltage fluctuation
is big.)
Mains voltage
1. It is mostly caused by noise from mains
or transient power cut.
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