LG V-C3742ND Service Manual ▷ View online
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3. MOTOR & PWB ASS’Y, POWER CORD ASS’Y & CORD REEL ASS’Y PARTS NUMBER
DESCRIPTION
PART NO.
REMARK
4681FI2373A
VMC-500E2, 230V/50Hz
4681FI2373B
VMC-500E1, 220V/50/60Hz
4681FI2373C
VMC-500E3, 240V/50Hz
146811
MOTOR ASSY, VC
4681FI2373D
VMC-500E5, 230V/50Hz
4681FI2373F
VMC-500L1, 110V/60Hz
4681FI2373G
VMC-500L2, 120V/60Hz
6871FX2085A
230V/50Hz, VMC-500E2, T/P
6871FX2085D
220V/50Hz, VMC-500E1, T/P
6871FX2085C
240V/50Hz, VMC-500E3, T/P
6871FX2085E
120V/60Hz, VMC-500L2, T/P
168711
PWB ASSY, MAIN
6871FX2085F
230V/50Hz, VMC-500E5, T/P
6871FX3036B
T/P
6871FX2085B
230V/50Hz, VMC-500E2, NON-T/P
6871FX2085G
220V/50Hz, VMC-500E1, NON-T/P
6871FX2085H
240V/50Hz, VMC-500E3, NON-T/P
6871FX3060C
NON-T/P
6411FI3295A
C-2, 10m, V-3711, 3701, 3811SER
6411FI3295B
A-1, 10m, V-3711, 3701, 3811SER
164111
POWER CORD ASSY
6411FI3295C
B-3, 10m, V-3711, 3701, 3811SER
6411FI3295D
C-2, 10m, V-3711, 3701, 3811SER
6411FI3295E
A-1, 20m, V-3711, 3701, 3811SER
4687FI1374D
C-2, 5.3m, V-3710, 3700, 3833SER
146871
CORD REEL ASSY
4687FI1374F
C-2, 6.0m, V-3710, 3700, 3833SER
4687FI1374G
B-3, 5.0m, V-3710, 3700, 3833SER
LOCATION
NO.
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SAFETY PRECAUTIONS
Before operating this vacuum cleaner, read this service manual thoroughly, and observe
each point carefully.
each point carefully.
1. Change the filter bag in case the indica-
tor moves toward red.
1) If the dust bag is full, intake power will be reduced.
2) When the dust bag is full of dust, pull out the dust
2) When the dust bag is full of dust, pull out the dust
bag from the bag mount.
2. Filter
1) The filter is composed of a clean filter, exhaust filter
and a filter bag.
2) Never use the vacuum cleaner without filters. It may
harm the motor.
Note : Re-use of the clean filter and exhaust filter.
• Never wash the filter in a washing machine or in a dis-
• Never wash the filter in a washing machine or in a dis-
hwasher.
• Never use hot water for washing the filter.
• Re-use the filter after drying it completely in the shade.
• Do not dry near fire or direct sun ray.
• Re-use the filter after drying it completely in the shade.
• Do not dry near fire or direct sun ray.
3. Dust indicator
Dust indicator shows you red color when the filter is full
of dust.
Then, change the filter bag with new one.
of dust.
Then, change the filter bag with new one.
4. Avoid suction such materials as:
1) Liquid or wet dust:
Clog the ventilation holes and reduces the intake
power significantly, and harms the motor.
power significantly, and harms the motor.
2) Inflammable liquids such as benzene, alcohol or sol-
vents.
3) Burning objects such as cigarette butts.
4) Bulky objects such as vinyl, paper etc.
5) Sharp objects such as needles, pins, metal or glass
4) Bulky objects such as vinyl, paper etc.
5) Sharp objects such as needles, pins, metal or glass
particles etc.
5. Attachments
• Nozzle : For cleaning wooden floor, the room floor and
carpet.
• Crevice Tool: for cleaning any crevice, inside corners
or window frames.
However, do not use the crevice tool more than 20
minutes because it may cause harm to the motor.
However, do not use the crevice tool more than 20
minutes because it may cause harm to the motor.
6. Close supervision is necessary when this
vacuum cleaner is used by or near chil-
dren. Children's carelessness may cause
damage to the cleaner or injury to per-
sons.
dren. Children's carelessness may cause
damage to the cleaner or injury to per-
sons.
7. Air exhausted from the vacuum cleaner is
normally warm. But if extraordinarily hot
air is exhausted, check if the extension
pipe, hose or dust bag is clogged or not.
air is exhausted, check if the extension
pipe, hose or dust bag is clogged or not.
8. Electric shock could occur if used out-
doors or on wet surfaces.
CAUTIONS
Before attempting to service or adjust any part of the vacuum cleaner, disconnect the electrical
power supply cord from the wall outlet.
power supply cord from the wall outlet.
1. Motor exchange
1) Separate the Body Cover and Body Base by
unfastening the screws.
2) Disconnect the lead wires.
3) Lift the old motor and replace it with a new one.
3) Lift the old motor and replace it with a new one.
2. In case of exchanging other parts, refer
to the exploded view.
SOLUTION
CAUSE
Check the power source
CHECKING
Poor plug insertion
Power cord cut
Interior lead wire cut
Motor(stator armature) coil cut
or damaged
or damaged
Poor contact carbon brush
defaced
defaced
Motor armature cut
Ball bearing defacement
Impeller hindrance
(Caused by foreign matters)
(Caused by foreign matters)
Insert again
Repair or exchange
Exchange the lead wire
Exchange the motor
Exchange or repair
Poor switch contact point
Exchange the switch
Exchange the motor
Exchange the motor
Remove the foreign matters
Normal
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TROUBLE SHOOTING
1. Switch on but motor does not turn
2. Switch on, motor does not turn but buzzes
Poor connection
Poor switch
Carbon brush defaced
Motor armature cut
Foreign matters attached to
the impeller
the impeller
Low voltage
Hose and extension wands are
clogged with foreign matters
clogged with foreign matters
Filter bag or cloth bag is filled
with inhaled foreign matters
with inhaled foreign matters
Repair
Exchange the switch
Exchange the carbon brush
or the motor
or the motor
Exchange the motor
Remove the foreign matters
Inquire to the power utility
company
company
Remove the foreign matters
in the hose or extension wands
in the hose or extension wands
Low rotation speed
Motor turns normally,
but suction power is weak
but suction power is weak
The slide knob on the handle
is opened
is opened
Close the slide knob by
sliding it
sliding it
Remove the foreign matters
or exchange the filter bag or
clean the cloth bag
or exchange the filter bag or
clean the cloth bag
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3. Switch off but motor turns
4. Weak suction power
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