LG V-CA241NE SERIES User manual

VACUUM CLEANER
SERVICE MANUAL
CAUTION
BEFORE SERVICING THE UNIT, READ THE "SAFETY PRECAUTIONS"
IN THIS MANUAL.
MODEL : V-CA241NE** / V-CA241HE**
V-CA241NT** / V-CA241HT**
V-C7141NTR / V-C7142NT / V-C7143HTR / V-C7145HT
V-C7150HTV / V-C7153HTV / V-C7155HEU

-2-
CONTENTS
SAFETY PRECAUTIONS...............................................................................................................3
CAUTIONS......................................................................................................................................3
DESCRIPTION................................................................................................................................4
SPECIFICATIONS...........................................................................................................................4
DISASSEMBLY...........................................................................................................................5~6
TROUBLE SHOOTING GUIDE ..................................................................................................7~9
SCHEMATIC DIAGRAM ........................................................................................................10~11
CIRCUIT DIAGRAM................................................................................................................10~11
EXPLODED VIEW ..................................................................................................................12~14
REPLACEMENT PARTS LIST ...............................................................................................15~16
APPENDIX....................................................................................................................................17
1. THE TYPE OF POWER CORD & PARTS NUMBER.....................................................................................17
2. COLOR & PARTS NUMBER.......................................................................................................................... 18
3. MOTOR & PWB ASSY PARTS NUMBER...................................................................................................... 18
3828Fi5873A

-3-
SAFETY PRECAUTIONS
BEFORE OPERATING THIS VACUUM CLEANER, READ THIS SERVICE MANUAL THOROUGHLY,
AND OBSERVE EACH POINT CAREFULLY.
3828Fi5873A
1. Motor filter(Air Cleaner)
1) This filter is reusable.
2) Never use the vacuum cleaner without filter.
It may damage the motor.
3) When the light of body is on, wash the motor filter
with water and brush.
4) Even if the light is not on, wash the motor filter at
least once 6 months.
NOTE : Reusing of the motor filter.
Never wash the filter in a washing machine or in a
dishwasher.
Never use hot water for washing the filter.
Reuse the filter after drying it completely in the
shade for a day.
Do not dry near fire or direct sunray.
2. Exhaust filter(Washable HEPA filter)
1) This filter is reusable HEPA filter.
2) For clean air, theis filter must be assembled.
3) Wash the exhaust filter with water once a year.
4) When the light of body is on, wash the exhaust filter with
water.
NOTE : Reusing of the exhaust filter.
Never wash the filter in a washing machine or in a
dishwasher.
Never use hot water for washing the filter.
Reuse the filter after drying it completely in the
shade for a half day.
Do not dry near fire or direct sunray.
Do not brush the filter. This will cause permanently
damage allowing dust to by-pass the filter.
3. Avoid suction such materials as :
1) Liquid or wet dust :
Clogs the ventilation holes, reduces the suction
power significantly and harms the motor.
2) Inflammable liquids such as benzene, alcohol or
solvents.
3) Burning objects such as cigarette butts.
4) Bulky objects such as vinyl, paper etc.
5) Sharp objects such as needles, pins, metal, glass
particles etc.
4. Attachments
Nozzle : For cleaning wooden floor, the room floor
and carpet.
Crevice Tool : For cleaning any crevice, inside corners of
window frames. (However, do not use the
crevice tool more than 20 minutes.)
Dusting Brush: For delicate vacuuming of fabrics on the
furniture, curtains, etc.
Upholstery Nozzle: For vacuuming the dust on the
upholstery.
However, do not use the crevice tool more than 20
minutes because it may cause harm to the motor.
5. Close supervision is necessary when this
vacuum cleaner is used by or near children.
Children’s carelessness may cause damage
to the cleaner or injure persons.
6. Air exhausted from the vacuum cleaner is
normally warm. But if extraordinarily hot air
is exhausted, check if the telescopic tube,
hose or clean filter is clogged or not.
7. Electric shock could occur if used outdoors
or on wet surfaces.
1. Motor exchange
1) Separate the Body Cover and Body Base by
unfastening the screws.
2) After disconnecting the lead wires, replace the old
motor with a new one.
2. In case of exchanging other parts. refer
to the exploded view.
CAUTIONS
BEFORE ATTEMPTING TO SERVICE OR ADJUST ANY PART OF THE VACUUM CLEANER, DISCONNECT
THE ELECTRICAL POWER SUPPLY CORD FROM THE WALL OUTLET.

DESCRIPTION
ATTACHMENTS
Nozzle ASS’Y
UPHOLSTERY
NOZZLE ACCESSORY
HOLDER
DUSTING BRUSH CREVICE TOOL ELBOW PIPE
CANISTER
Switch Button
(ON/OFF)
Power Cord
Dust Tank
Cord Reel
Button
Flexible Hose ASS’Y
Telesscopic
Pipe ASS’Y
-4-
SPECIFICATIONS
3828Fi5873A
•MODEL : REFER TO THE COVER PAGE
•POWER SOURCE : ON RATING PLATE
•POWER CONSUMPTION : ON RATING PLATE
•POWER CONTROL :
- MAIN : SLIDE CONTROL (F/HOSE)
(HT**/HE**)
PUSH ON/OFF(BODY)
( NT**/NE**
)
-SUB : VACUUM POWER ADJUSTMENT BY
SLIDE KNOB
( NT**/NE** )
•CORD LENGTH : 6 m
•HOSE LENGTH : 1.6 m
•NET WEIGHT : 4.5 kg
•PACKING WEIGHT : 7.5 kg
•NET DIMENSION : 280 399 276 (W DH)mm
•PACKING DIMENSION : 315 565 330 (W DH)mm
•ATTACHMENTS
HOSE......................................................................... 1EA
TELESCOPIC PIPE ASSY ........................................ 1EA
NOZZLE ASSY...........................................................1EA
DUSTING BRUSH .................................................... 1EA
CREVICE TOOL.........................................................1EA
UPHOLSTERY NOZZLE ............................................1EA
ACCESSORY HOLDER .............................................1EA
•This specifications are subject to change according to the buyer's request.

3828Fi5873A
-5-
DISASSEMBLY
• Almost all of the parts of this vacuum cleaner can be
disassembled with a screw driver and each connecting
component easily fits each other.
Disassemble one by one referring to the exploded view.
•
If possible, don't disassemble except for the necessary
parts. It is not necessary to disassemble the parts that
are not detailed in the exploded view.
1. Body Cover Assembly Replacement
1) Remove the dust tank from the set.
2) Remove the four screws fastening the body base.
3) Disassemble the body cover, raising the body cover.
2. Motor Assembly Replacement
1) Detach exhaust cover in the direction of the arrow and
unhook the motor covr with “”driver.
NOTE: Before attempting to service or adjust any part of the vacuum cleaner, disconnect the electrical power supply cord
from the wall outlet.

3828Fi5873A
-6-
2) Pull out the motor and disconnect the lead wires from it.
3. Cord Reel Assembly Replacement
1) Lift the cord reel assembly from the body base.
4. Disassembly of Motor Housing
1) Remove the two screws fastening the motor housing.
Cord Reel Ass'y
Motor Ass'y

3828Fi5873A
-7-
CHECKING
CHECK THE POWER
SOURCE The fuse is melt down in the
coverknife switch.
Exchange the fuse.
Poor plug insertion Insert again.
Power cord cut Repair or exchange.
Interior lead wire cut Exchange the lead wire.
Motor(stator, armature) coil
cut or damaged. Exchange the motor.
Poor contact carbon brush
defaced. Exchange or repair the motor.
Poor switch contact point
(HT**/HE**) Exchange the switch.
Motor armature cut. Exchange the motor.
Ball bearing defacement Exchange the motor.
Impeller hindrance
(Caused by foreign matters) Remove the foreign matters.
CAUSE SOLUTION
TROUBLE SHOOTING GUIDE
1. SWITCH ON BUT MOTOR DOSE NOT TURN.
2. SWITCH ON, MOTOR DOES NOT TURN BUT BUZZES.

-8-
3828Fi5873A
Carbon brush defaced Exchange the carbon brush
or the motor.
Motor armature cut Exchange the motor.
Foreign matters attached to
the impeller Remove the foreign matters.
Low voltage Inquire to the power utility
company.
Hose and extension wands
are clogged with foreign
matters.
Remove the foreign matters
in the hose or extension
wands.
The slide knob on the handle is
opened or the control knob is
located on weak position.
Close the slide knob by sliding it.
Regulate the knob.
The motor filter is clogged. Clean the motor filter.
The exhaust filter is clogged. Exchange the exhaust filter.
Poor connection Repair the slide volume of hose
or triac of PWB assembly
Poor switch
(NT**/NE**)
Low rotation speed
Motor turns normally,
but suction power is weak.
Exchange the switch.
3. SWITCH OFF BUT MOTOR TURNS
4. WEAK SUCTION POWER

3828Fi5873A
Loose parts Secure firmly.
Unbalanced motor assembly Exchange or repair the motor.
Foreign matters are attached
to the impeller. Remove the foreign matters.
Poor carbon brush rectification Exchange the motor.
Poor cord, lead wire Exchange cord, lead wire.
Poor rectification of
carbon brush Exchange the motor.
Poor electric connector or
receiver Repair the electric connector or receiver.
Poor capacitor Exchange the capacitor.
Bent connection parts Exchange the parts.
Poor connection
(Caused by foreign matters) Remove the foreign matters and reconnect.
Armature is cut or foreign
matters attached. Exchange the motor Remove foreign matters.
-9-
5. VIBRATION NOISES
6. RADIO, TV RECEPTION DISTURBANCE
7. IMPROPER TUBE OF NOZZLE CONNECTION

3828Fi5873A
-10-
CIRCUIT DIAGRAM
SCHEMATIC DIAGRAM
SLIDE VOLUME
SUB PWB
ASSEMBLY
MAIN PWB
ASSEMBLY M
T/P
BK
GY
BL
GY
MOTOR
BD1
C1
0.47uF
/AC250
R10
470K
1/2W
R10-1
470K
1/2W
C3
0.47uF
/100V
R9
100
S/VOL
R5
100
D5
1N4148
Q2
A1015
Q1
C3198
R7
11K
R6
18K
IC1
1
2
6
4
R4
11K
R3
470
1/2W
T2
T1
G
R2
330
1/2W
VR1
20K
R8
1K
M
TRANS
OPTO-TRIAC
T/P

3828Fi5873A
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SCHEMATIC DIAGRAM
CIRCUIT DIAGRAM
M
C1
0.47µF
250V
MAIN S/W
R1
470K
T/P
MAIN PWB
ASSEMBLY M
T/P
POWER S/W

3828Fi5873A
-12-
EXPLODED VIEW
144411
149702
139204
144801
146611
130401
146611
145103
135506
135504
252302
149741
235507
146871
252311
235503
135510
249011
239402
146811
139204
139202

3828Fi5873A
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166311 166311
435506
452002
139204
750063
349701
152313
239402
136612
333002
748382
568711
136501
235501
139201
140361
349701
435503
450201
266011
140561
333003
349801
340261
349701

3828Fi5873A
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552491
552495
652012
652031 650581
652481 652013
149309
452151
452151

3828Fi5873A
-15-
REPLACEMENT PARTS LIST
130401 BASE, BODY 3040FI1497A
235503 COVER, EXHAUST FILTER 3550FI2529A
144801 HOOK, FILTER SETTING 4480FI3742A
235507 COVER, DECO 3550FI2530A
146611 WHEEL ASSEMBLY 4661FI2411R
145103 LEVER, CORD WINDING 4510FI2439Q
144411 CASTER ASSEMBLY 4441FI3605V
252311 FILTER ASSEMBLY, EXHAUST 5231FI2469A
135506 COVER, MOTOR HOUSING 3550FI1610A
135504 COVER, MOTOR 3550FI1615A
149741 GUIDE, EXHAUST 4974FI2398A
135510 COVER, SENSOR 3550FI3818A
249011 DAMPER ASSEMBLY 4901FI2001A
139204 PACKING, SEAL 3920FI3798A
252302 FILTER(MECH), EXHAUST 5230FI4734A
168711 PWB(PCB) ASSEMBLY, MAIN 6871FX3084C
146871 CORD REEL ASSEMBLY 4687FI1482H
146811 MOTOR ASSEMBLY, VC 4681FI2457A
139202 PACKING, MOTOR MOUNTING 3920FI3772D
239402 SPONGE, ABSORBING 3940FI3646A
139204 PACKING, SEAL 3920FI3763A
235501 COVER, BODY 3550FI1611R
136501 HANDLE, CARRIER 3650FI2407A
139204 PACKING, SEAL 3920FI3788A
435506 COVER, TERMINAL 3550FI3802A HT**/HE**
166311 CONNECTOR ASSEMBLY 6801FI3464J HT**/HE**
166311 CONNECTOR ASSEMBLY 6877FI2002N NT**/NE**
266011 SWITCH ASSEMBLY, POWER 6601FI3149B NT**/NE**
452002 PIPE, CONNECTOR 5200FI2489A
250201 BUTTON, CONTROL 5020FI3784H NT**/NE**
435503 COVER, BUTTON 3550FI3817A HT**/HE**
LOCATION No. DESCRIPTION PART No. APPLICATION REMARK

3828Fi5873A
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748382 TANK, DUST Refer to appendix
750063 CAP, DUST Refer to appendix
140361 SEAL 4036FI3657B
139201 PACKING, DUST SEAL 3920FI4718N
152313 FILTER ASSEMBLY, CLEAN 5231FI2476A
239402 SPONGE, ABSORBING 3940FI3744C
136612 FRAME, ASM 3211FI2368B
333002 PLATE, COVER 3300FI2281A
349801 SUPPORTER, BOARD 4980FI3735A
333003 PLATE, COVER 3300FI2282A
340261 LATCH Refer to appendix
349701 SPRING, COIL 4970FI3217A
140561 LOCKER, DUSTCAP 4056FI3650A
349701 SPRING, SPECIAL 4970FI3209A
568711 PWB(PCB), ASM Refer to appendix
452151 HOSE ASSEMBLY, FLEXIBLE Refer to appendix NT**/NE**
452151 HOSE ASSEMBLY, FLEXIBLE Refer to appendix HT**/HE**
652012 PIPE ASSEMBLY, TELESCOPIC 5201FI2438D
652481 NOZZLE, UPHOLSTERY 5248FI2259C
652031 BRUSH ASSEMBLY, DUST 5202FI3474B
650581 TOOL, CREVICE 5058FI3462C
149309 HOLDER, ACCESSORY 4930FI2378B
552495 NOZZLE ASM, TURBINE 5249FI1413A HEU*
652013 PIPE ASM, ELBOW 5201FI1005B HEU*
552491 NOZZLE ASM, FLOOR
5249FI1339C/1421A/1427N
LOCATION No. DESCRIPTION PART No. APPLICATION REMARK

3828Fi5873A
-17-
APPENDIX
1. THE TYPE OF POWER CORD & PARTS NUMBER
TYPE TYPE OF PLUG CORD REEL ASS’Y P/NO (L/NO.:146871)
A-1
S-1
C-2
C-1
B-3
4687FI1477C
4687FI1477J
4687FI1480V
4687FI1477E
4687FI1482H
19
19
4.8
17
6.3
12.7
1719
19
4
Color identification
of fuse
Brown 13A
Yellow 5A
Blue 3A

130401 BASE, BODY 3040FI1497A 3040FI1497A 3040FI1497G 3040FI1497A
146611 WHEEL ASSEMBLY 4661FI2411B 4661FI2411C 4661FI2411L 4661FI2411R
145103 LEVER, CORD WINDING 4510FI2439B 4510FI2439C 4510FI2439L 4510FI2439Q
235501 COVER, BODY 3550FI1611A 3550FI1611B 3550FI1611K 3550FI1611R
136501 HANDLE, CARRIER 3650FI2409A 3650FI2409A 3650FI2407D 3650FI2407A
750063 CAP, DUST 5006FI1328A 5006FI1328A 5006FI1328G 5006FI1328A
748382 TANK, DUST 4838FI1401A 4838FI1401A 4838FI1401A 4838FI1401F
340261 LATCH 4026FI3676M 4026FI3676M 4026FI3676K 4026FI3676M
452151 HOSE ASSEMBLY, FLEXIBLE 5215FI1330H 5215FI1330C 5215FI1323Q 5215FI1330R HT**/HE**
452151
HOSE ASSEMBLY, FLEXIBLE 5215FI1336A - - 5215FI1351J NT**/NE**
3828Fi5873A
-18-
2. COLOR & PARTS NUMBER
LOCATION NO. DESCRIPTION BLUE GRAY CHAMPAGNE GOLD LIGHT JAPAN BLUE PETER RED REMARK
4681FI2457A VMC420E5 ( 220~230V / 50Hz )
146811 MOTOR ASSY, VC 4681FI2457B VMC420E6 ( 240V / 50Hz )
4681FI2451G VMC400L2 ( 120V / 60Hz )
LOCATION DESCRIPTION PART NO. REMARK
NO.
6871FX2160A 220~240V / 50Hz ( HT**/HE** )
568711 PWB(PCB) ASSEMBLY, MAIN 6871FX2160D 120V / 60Hz (
HT**/HE** )
6871FX3084A 220~240V / 50Hz ( NT**/NE** )
6871FX3084B 120V / 60Hz ( NT**/NE** )
LOCATION DESCRIPTION PART NO. REMARK
NO.
130401 BASE, BODY 3040FI1497A 3040FI1497A 3040FI1497A
146611 WHEEL ASSEMBLY 4661FI2411F 4661FI2411G 4661FI2411Q
145103 LEVER, CORD WINDING 4510FI2439F 4510FI2439G 4510FI2439Q
235501 COVER, BODY 3550FI1611E 3550FI1611F 3550FI1611Q
136501 HANDLE, CARRIER 3650FI2407A 3650FI2407A 3650FI2407A
750063 CAP, DUST 5006FI1328A 5006FI1328A 5006FI1328A
748382 TANK, DUST 4838FI1401D 4838FI1401A 4838FI1401F
340261 LATCH 4026FI3676M 4026FI3676M 4026FI3676M
452151 HOSE ASSEMBLY, FLEXIBLE 5215FI1330F - 5215FI1330S HT**/HE**
452151
HOSE ASSEMBLY, FLEXIBLE 5215FI1336E 5215FI1336F 5215FI1351F NT**/NE**
LOCATION NO. DESCRIPTION BEIGE BLUE CRANBERRY RED MICA BLUE REMARK
3. MOTOR & P.C.B ASSY & CORD REEL ASM PARTS NUMBER

3828Fi5873A

P/No. : 3828Fi5873A April. 2004
Printed in Korea