LG 41283 Service Manual ▷ View online
32
8-5. TROUBLESHOOTING ELSE
NO POWER
1. Be careful of electric shock if disconnecting parts while troubleshooting.
2. First of all, check the connection of each electrical terminal with the wiring diagram.
3. If you replace the MAIN PWB ASSEMBLY, reinsert the connectors correctly.
2. First of all, check the connection of each electrical terminal with the wiring diagram.
3. If you replace the MAIN PWB ASSEMBLY, reinsert the connectors correctly.
CAUTION
Check the
fuse or reset
the circuit
breaker.
fuse or reset
the circuit
breaker.
Yes
No
Is the current rating of
multi-outlet power strip
enough?
(Avoid connecting several
electric devices.)
multi-outlet power strip
enough?
(Avoid connecting several
electric devices.)
Is the supplied voltage
120V AC?(+10%, -15%)
120V AC?(+10%, -15%)
Alternate with
explanation.
explanation.
Yes
Yes
No
Is the connector connected
to PCB/Noise filter
disconnected or
disassembled?
to PCB/Noise filter
disconnected or
disassembled?
Reconnect
or repair
the connector.
or repair
the connector.
No
Replace the
MAIN PWB
ASSEMBLY.
MAIN PWB
ASSEMBLY.
Yes
No
Is LED on while the power
is on?
is on?
Replace the
DISPLAY
PWB
ASSEMBLY.
DISPLAY
PWB
ASSEMBLY.
Display PWB
Connecting connector
MAIN PWB~ Display PWB
No
Is five pin wire of
display PWB broken?
display PWB broken?
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34
VIBRATION & NOISE IN SPIN
Remove the
transit bolts
and Base
packing.
transit bolts
and Base
packing.
Yes
No
Is the washer installed on a
solidly constructed floor?
solidly constructed floor?
Have all the transit bolts
and base packing been
removed?
and base packing been
removed?
Move the
washer or
reinforce the
floor.
washer or
reinforce the
floor.
Check the
vibration
Sensor.
vibration
Sensor.
Yes
No
Check if the washer is
perfectly level as follows:
perfectly level as follows:
Check the leveling of the
washer with a level and
check that the washer is
stable.
washer with a level and
check that the washer is
stable.
Put an unbalance part
(rubber) inside of drum
and start QC test mode and
run in high spin.
(rubber) inside of drum
and start QC test mode and
run in high spin.
(Refer to section 7-2.)
When the machine is
spinning in high speed,
verify that it is stable.
spinning in high speed,
verify that it is stable.
If you do not have the
unbalance part, put 4.5 to
6.5 lbs (2 to 3 kg) of
clothing. Once loaded,
press power, Rinse+Spin
and the start/pause button
in sequence.
When the machine is
spinning in high speed,
verify that it is stable.
unbalance part, put 4.5 to
6.5 lbs (2 to 3 kg) of
clothing. Once loaded,
press power, Rinse+Spin
and the start/pause button
in sequence.
When the machine is
spinning in high speed,
verify that it is stable.
If it is not stable, adjust feet
accordingly. After the
washer is level, tighten the
lock nuts up against of the
base of the washer. All lock
nuts must be tightened.
accordingly. After the
washer is level, tighten the
lock nuts up against of the
base of the washer. All lock
nuts must be tightened.
Yes
Yes
Base Packing
Unbalance Part
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