29002 - LG Washing Machine Service Manual (repair manual). Page 40

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40
11) Vibration, Noise or Unbalance Error happens during spin.
When, what, and how to check
Result of Check
Possible Cause
How to repair
Using conditions such as
installation etc.
2.  Verify the load is not unbalanced,
causing vibration and noise.
Suspension
1. Does the outer tub strike the top cover
during a spin cycle when the washer is
running empty?
※ It is very important to determine the cause of any noise or defect in order to repair the problem correctly the first time.
Not leveled.
Laundry is
unbalanced.
The pulsator rotates
initially, then the
inner
tub rotates.
Yes
Incorrect installation.
Defective clutch.
Oneor more of the
suspension rods is
defective.
Level the washer.
Rearrange items in the tub
for a more even distribution. 
Replace the clutch spring ot
the clutch assembly, as
necessary. 
Replace all four suspension
rods as a set. Be sure to get
the rods in the correct
positions. 
12) Power turns ON or OFF by itself.
When, what, and how to check
Result of Check
Possible Cause
How to repair
Input voltage
1. This is usually caused by a spike or
surge on the main power input to the
house. 
Noise on the power line. 
If the issue persists, contact
the local power provider. 
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