LG V-KC402CT, V-KC402CTU, V-KC402CTQ, V-KC402CTUQ, V-KC402CTQU Service Manual

VACUUM CLEANER

SERVICE MANUAL

CAUTION

BEFORE SERVICING THE UNIT, READ THE
"SAFETY PRECAUTIONS" IN THIS MANUAL.

MODEL:V-KC402CT, V-KC402CTU, V-KC402CTQ, V-KC402CTUQ

V-KC402CTQU, V-K8501CTU, V-K8502CTU, V-C8200CTU
V-K8503CTU, VCC402CTU, V-KC442CTU

CONTENTS

-2-

SAFETY PRECAUTIONS....................................................................................3

CAUTIONS...........................................................................................................3

DESCRIPTION ....................................................................................................4

SPECIFICATION..................................................................................................4

DISPLAY LED......................................................................................................5

VOICE ALARM.....................................................................................................6

DISASSEMBLY................................................................................................7~8

TROUBLE SHOOTING GUIDE........................................................................7~9

SCHEMATIC DIAGRAM.....................................................................................10

CIRCUIT DIAGRAM...........................................................................................10

SCHEMATIC DIAGRAM.....................................................................................11

CIRCUIT DIAGRAM...........................................................................................11

EXPLODED VIEW.......................................................................................12~15

REPLACEMENT PARTS LIST.....................................................................16~17

THE TYPE OF POWER CORD.........................................................................18

SAFETY PRECAUTIONS

CAUTIONS

-3-

BEFORE OPERATING THIS VACUUM CLEANER, READ THIS SERVICE MANUAL THOROUGHLY, AND
OBSERVE EACH POINT CAREFULLY.

BEFORE ATTEMPTING TO SERVICE OR ADJUST ANY PART OF THE VACUUM CLEANER, DISCONNECT
THE ELECTRICAL POWER SUPPLY CORD FROM THE WALL OUTLET.

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.

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.

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.

• Do not wash the blue side of 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 or window frames. However, do not use
the crevice tool more than 20 minutes because it
may cause harm to the motor.

• Dusting brush : for cleaning clothes curtains.

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.

SPECIFICATIONS

DESCRIPTION

-4-

• MODEL : REFER TO THE COVER PAGE

• POWER SOURCE : ON RATING PLATE

• POWER CONSUMPTION : ON RATING PLATE

• POWER CONTROL :

- MAIN : PUSH ON/OFF (GRIP HANDLE)

• CORD LENGTH : 6 m

• HOSE LENGTH : 1.5 m

• NET WEIGHT : 7.5 kg

• PACKING WEIGHT : 13 kg

• NET DIMENSION : 341 x 521 x 300 (W x D x H)mm

• PACKING DIMENSION : 370 x 580 x 455 (W x D x H)mm

• ATTACHMENTS

HOSE.................................................................................1EA

TELESCOPIC PIPE ASSEMBLY.......................................1EA

NOZZLE ASSEMBLY.........................................................1EA

NOZZLE ASSEMBLY PARQUET ......................................1EA

DUSTING BRUSH..............................................................1EA

UPHOLSTERY NOZZLE....................................................1EA

CREVICE TOOL.................................................................1EA

ACCES SORY HOLDER....................................................1EA

• This specifications are subject to change according to the buyer's request.

ATTACHMENTS

• NZ-46 • NZ-43

DUSTING BRUSH UPHOLSTERY NOZZLE CREVICE TOOL ACCESSORY HOLDER

• NZ-50

Telescopic pipe

Body

Cover

Dust Tank

Cord Reel

Button

Power Cord

Flexible Hose Assembly

DISPLAY LED

-5-

OFF : All LEDs turn on when powering off or being in

Standby mode.

MIN : Mode that noise is weakest in minimum power

status. Use this mode at night or when
calmness is needed.

MAX : Mode to indicate maximum suction power

operation.

AUTO : Auto mode measures quantity of dust via the

dust sensor mounted in the cleaner and
automatically adjusts suction power
accordingly. If dust is discovered, the mode
becomes Max status, and if dust is removed,
the mode becomes Min status.

• Auto Mode •

Auto on

Dust detection

When operating in Auto Mode, the LED flickers if the
dust sensor detects dust.

After that operation mode change to MAX mode.

OFF

MIN

MAX

AUTO

OFF

MIN

AUTO

MAX

OFF

MIN

MAX

AUTO

OFF

MIN

MAX

AUTO

VOICE ALARM

-6-

1. VOICE ALARM

Voice alarm to inform operation status of the
cleaner.

• Informs operation status of the cleaner with a
speaker mounted inside of the cleaner cover.

Power On: Hello, Power on. Select desired mode.
When LED turns on: Empty dust bin, and clean

pre-filter. Please.

When cleaning stops: Stop.
MIN: Minimum mode.
MAX: Maximum mode.
AUTO: Auto mode.

2. VOICE ALARM ON/OFF(default : ON)

• To let voice alarm OFF, press "OFF" button for
three second.

• To let voice alarm ON, press "OFF" button for three
second.

Speaker

OFF

MIN

MAX

AUTO

OFF

MIN

MAX

AUTO

CAUTION

When the dust tank is full lamp( ) is on, also,
it(cleaner) makes suction power low rapidly by itself to
protect the motor after 1 and half minute.
This time full LED is still on.
Even if the dust tank does not appear to be full at this
stage, it should be cleaned.
The air filter should be cleaned at once.
Voice alarm : Empty the dust bin and clean the pre-filter.

-7-

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 two screws fastening the deco cover.
After that remove the deco cover.

3) Remove the four screws fastening the body cover.

4) Disassemble the body cover, rasing the body
cover.

2. Motor Assembly Replacement

1) Remove the connect pipe.

NOTE: Before attempting to service or adjust any part of the vacuum cleaner, disconnect the electrical power

supply cord from the wall outlet.

Dust Tank

-8-

2) Remove the two screws fastening the motor
chamber.

3) Unhook the two hook.

4)

Pull out motor and disconnect the lead wires from it.

3. Disassembly of Body Base Assembly
and Cord Reel Assembly.

1) Remove the two screws fastening the motor
chamber.

2) Pull out the motor chamber.

3) Lift the cord reel assembly from the body base.