Read LG 29002 Service Manual online
34
2) Defects on displaying funcion
2) Defects on displaying funcion
When, what, and how to check
Result of Check
Possible Cause
How to repair
Main voltage
1. Measure voltage at wall outlet.
Controller
1. Defective LED.
2. Defective LED driver circuit.
3. Defective Microprocessor.
2. Defective LED driver circuit.
3. Defective Microprocessor.
Expect 120 VAC ±
10%. If below 108
VAC, consult an
electrician or your
local power provider.
10%. If below 108
VAC, consult an
electrician or your
local power provider.
Low voltage
Defective main board.
If incoming line voltage is
below 108 VAC, consult an
electrician or your local
power provider.
below 108 VAC, consult an
electrician or your local
power provider.
Replace the main board.
3) Reset During operation
When, what, and how to check
Result of Check
Possible Cause
How to repair
Main voltage
1. Measure voltage of the outlet that the
washer is plugged into during wash and
spin.
spin.
2. The reset event occurs at about the
same time every day.
3. Check for line noise sources inside the
house.
Controller
1. If the input voltage is correct and the
pump works properly, the main board is
probably defective.
probably defective.
Less than 90% of the
rating.
rating.
Input voltage is too low or
the house wiring is
insufficient for the load.
the house wiring is
insufficient for the load.
Noise or spurious
signals are introduced to
the controller through the
power input.
power input.
Consult an electrician.
This could be caused by
something outside the home.
It is possible that a surge
protector / line filter would
help reduce the incidence.
something outside the home.
It is possible that a surge
protector / line filter would
help reduce the incidence.
Explain it is a problem of
electric supply
environment.
electric supply
environment.
Replace the main board.
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