LG V-C3850ND Manual de usuario

VACUUM CLEANER

SERVICE MANUAL

CAUTION

BEFORE SERVICING THE UNIT, READ THE "SAFETY PRECAUTIONS"

IN THIS MANUAL.

MODEL : V-C3850ND/NT/NDV/NTV/RD/RT/RDV/RTV

V-C3852ND/NT/NDV/NTV/RD/RT/RDV/RTV

V-C3854RTV

V-C3860RD/RT/RDV/RTV

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CONTENTS

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

SERVICING PRECAUTIONS........................................................................................................ 4

SPECIFICATIONS......................................................................................................................... 4

FEATURES.................................................................................................................................... 4

DESCRIPTION.............................................................................................................................. 5

CONTROL PANEL ........................................................................................................................ 5

VACUUM POWER ADJUSTMENT................................................................................................ 5

DISASSEMBLY INSTRUCTIONS.............................................................................................. 6~7

TROUBLESHOOTING GUIDE................................................................................................ 8~10

BLOCK DIAGRAM ................................................................................................................ 11~12

SCHEMATIC DIAGRAM........................................................................................................ 11~12

PRINTED CIRCUIT BOARD................................................................................................. 11~12

EXPLODED VIEW ............................................................................................................... 13~16

REPLACEMENT PARTS LIST .............................................................................................. 17~18

APPENDIX............................................................................................................................ 19~21

1. THE TYPE OF POWER PLUG AND PART NUMBER ............................................................................... 19

2. COLOR & PARTS NUMBER...................................................................................................................... 20

3. MOTOR & P.W.B ASS’Y & CORD REEL ASS’Y PARTS NUMBER ........................................................... 21

3828Fi5865A

-3-

SAFETY PRECAUTIONS

BEFORE OPERATING THIS VACUUM CLEANER, READ THIS SERVICE MANUAL THOROUGHLY,

AND OBSERVE EACH POINT CAREFULLY.

3828Fi5865A

1. Change the paper bag or clean the cloth

bag in case the indicator 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

bag from the inside of body base.

2. Filter

1) The ﬁlter is composed of a clean ﬁlter, an exhaust ﬁl-

ter and a paper bag or a cloth bag.

2) Never use the vacuum cleaner without ﬁlters.

It may harm to the motor.

3) When the cloth bag, the clean ﬁlter and the exhaust

ﬁlter are soiled, wash the ﬁlter with neutral cleanser.

Note : Re-use of the cloth bag, clean ﬁlter and exhaust

ﬁlter.

• Never wash the ﬁlter in a washing machine or in a

dishwasher.

• 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.

3. Dust indicator

Dust indicator shows you red color when the ﬁlter is full

of dust.

Then, change the paper bag with new one or clean the

cloth bag.

4. Avoid suction such materials as:

1) Liquid or wet dust:

Clogging the ventilation holes, reduces the intake

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

particles etc.

5. 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 min-

utes because it may cause harm to the motor.

6. 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.

7. Air exhausted from the vacuum cleaner is

normally warm. But if extraordinarily hot air

is exhausted, check if the telescopic tube,

hose or dust bag is clogged or not.

8. Electric shock could occur if used outdoors

or on wet surfaces.

-4-

SERVICING PRECAUTIONS

SPECIFICATIONS

FEATURES

BEFORE ATTEMPTING TO SERVICE OR ADJUST ANY PART OF THE VACUUM CLEANER, DIS-

CONNECT THE ELECTRICAL POWER SUPPLY CORD FROM THE WALL OUTLET.

3828Fi5865A

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.

2. In case of exchanging other parts, refer to the

exploded view.

1. Strong Suction Power

This vacuum cleaner has a strong suction power because

it utilizes a highly efﬁcient and powerful motor.

2. Automatic Cord Winding Mechanism

It is very convenient becasue it winds the cord

automatically after operating the unit.

3. Vacuum Power Adjustment

It is very convenient because vacuum power varies with

cleaning work by rotating the control button.

4. Convenient Push Button Switch

Using the switch located in the main body, this vacuum

cleaner can be operated easily.

5. Excellent Running

Running is execllent by adopting large wheel.(˘150)

6. Miscellaneous

1) The dust indicator shows you red color when to

exchange the ﬁlter bag or to clean the cloth bag.

2) The washable cloth bag can be used for a long time.

THIS VACUUM CLEANER IS THE MOST MODERN STYLE GOODS, SUITABLE FOR HOUSEHOLD USE

AND IT RUNS AFTER A NEW VARIATION IN ORDER TO MEET MODERN LIFE SENSE BY IMPROVING THE

DESIGN, THE STRUCTURE AND THE POWER.

• MODEL : REFER TO THE COVER PAGE

• POWER SOURCE : ON RATING PLATE

• POWER CONSUMPTION : ON RATING PLATE

• POWER CONTROL :

- MAIN : ROTARY ON BODY

(V-C3850RD/RT/RDV/RTV)

(V-C3854RTV)

(V-C3860RD/RT/RDV/RTV)

ON/OFF ON BODY

(

V-C3850ND/NT/NDV/NTV

)

(V-C3852ND/NT/NDV/NTV)

-SUB : VACUUM POWER ADJUSTMENT BY

SLIDE KNOB

• CAPACITY : 3.3L

• CORD LENGTH : 7 m

• HOSE LENGTH : 1.5 m / 1.8 m

• NET WEIGHT : 4.1 kg

• PACKING WEIGHT : 7.0 kg

• NET DIMENSION : 400 280 220 (L WH)mm

• PACKING DIMENSION : 495 330 290 (L WH)mm

(with steel pipe)

565 330 290 (L WH)mm

(with telescopic pipe)

• ATTACHMENTS

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

STEEL PIPE ASS’Y.................................................... 2EA

TELESCOPIC PIPE ASS’Y........................................ 1EA

PLASTIC PIPE .......................................................... 2EA

NOZZLE ASS’Y...........................................................1EA

CREVICE TOOL (ON BOARD).................................. 1EA

DUST BRUSH (ON BOARD).......................................1EA

CLOTH BAG ASS’Y (OPTION)...................................1EA

EXTRA PAPER BAG ASS’Y (PAPER, OPTION)........1EA

UPHOLSTERY NOZZLE(OPTION).............................1EA

QUILT, NOZZLE ASM(OPTION).................................1EA

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

3828Fi5865A

CONTROL PANEL

-5-

CONTROL LOCATION

Telescopic Tube

Handle &

Cord Reel Button

Metal or Plastic

Tube

Nozzle

Pedal

Nozzle

Suction Hole

Flexible Hose Ass’y

Hose Head

Hose Button

Dust Indicator

Control Button

(ON/OFF)

(Rotary)

Power Cord

Body Cover

Wheel

Filter Cover

Cover Latch

ATTACHMENTS

Filter Bag

(Option)

Crevice Tool

(On Board)

Dusting Brush

(On Board) Upholstery Nozzle

(Option) Cloth Bag

(Option)

Quilt Nozzle Ass’y

(Option)

Control Button

Flexible Hose Ass’y

To allow precise regulation of the suction power of the

vacuum cleaner or to suit the type of cleaning work being

undertaken, simply rotate the control button, or push

“Control Button”

VACUUM POWER ADJUSTMENT

When you want to control the vacuum power for

curtains and clothes, slide the slide knob on the

handle.

3828Fi5865A

DISASSEMBLY INSTRUCTIONS

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

from the wall outlet.

Filter Cover

Cover Latch

Filter Cover

Handle

Body Cover

-6-

•

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. Filter Cover Assembly Replacement

1) Open ﬁlter cover by pushing cover latch.

2) First, lift the ﬁlter cover

- Push the hinge side by inserting ﬂat screw driver in gap

between hinge and handle.

Then the “Handle”will be detached.

- As same method, detach the ﬁlter cover.

2. Body Cover Assembly Replacement

1) Remove the four screws fastening the body base.

2) Lift body cover in the direction of the arrow.

3) Strip off the lead wires from the motor & cord reel.

3828Fi5865A

-7-

Body Cover

Support Board

Button Spring Control ButtonSwitch

Control Button

Button Spring

Support Board

PWB Assembly

3. P.W.B Assembly Replacement

1) Remove a screw fastening “Support Board”on body cover

2) Push the ﬂat driver in the direction of arrow.

3) Detatch P.W.B assembly, control button, button spring and

support board from body cover.

4) When reassembling, assemble control button after rotating

the switch of P.W.B assembly in the direction of the arrow.

4. Motor Assembly Replacement.

•Lift the motor assembly in the direction of the arrow after

stripping off the lead wires.

5. Cord Reel Assembly Replacement

•Lift the cord reel assembly from the body base in the

direction of the arrow.

SOLUTIONCAUSE

Check the power source

CHECKING

Poor plug insertion

Power cord cut

Interior lead wire cut

Motor(stator armature) coil cut

or damaged

Poor contact carbon brush

defaced

Motor armature cut

Ball bearing defacement

Impeller hindrance

(Caused by foreign matters)

Insert again

The fuse is melt down

in the coverknife switch Exchange the fuse

Repair or exchange

Exchange the lead wire

Exchange the motor

Exchange or repair

Poor switch contact point Exchange the switch

Exchange the motor

Remove the foreign matters

Normal

Abnormal

-8-

TROUBLE SHOOTING GUIDE

1. SWITCH ON BUT MOTOR DOSE NOT RUN.

3828Fi5865A

2. SWITCH ON, MOTOR DOES NOT RUN BUT BUZZES.

3828Fi5865A

Poor connection

Poor switch

Carbon brush defaced

Motor armature cut

Foreign matters attached to

the impeller

Low voltage

Hose and extension wands are

clogged with foreign matters

Filter bag or cloth bag is filled

with inhaled foreign matters

Repair

Exchange the switch

Exchange the carbon brush

or the motor

Exchange the motor

Remove the foreign matters

Inquire to the power utility

company

Remove the foreign matters

in the hose or extension wands

Low rotation speed

Motor turns normally,

but suction power is weak

Rotating switch is on low

mode Rotate it with clock-wise so

power is increasd

Remove the foreign matters

or exchange the filter bag or

clean the cloth bag

-9-

3. SWITCH OFF BUT MOTOR RUNS.

4. WEAK SUCTION POWER

3828Fi5865A

-10-

Poor cord, lead wire

Poor carbon brush rectified

Poor electric connector

or receiver

Exchange cord, lead wire

Exchange the carbon brush

or the motor

Repair the electric connector

or receiver

Poor capacitor Exchange the capacitor

Bent connection parts

Poor connection

(Caused by foreign matters)

Exchange the parts

Remove the foreign matters

and reconnect

Loose parts

Unbalanced motor assembly

Foreign matters are attached

to the impeller

Poor carbon brush rectification

Secure firmly

Exchange or repair the motor

Remove the foreign matters

Exchange the carbon brush

or the motor

Armature is cut or foreign

matters attached Exchange motor

Remove foreign matters

5. VIBRATION NOISES

6. RADIO, TV RECEPTION DISTURBANCE

7. IMPROPER TUBE OR NOZZLE CONNECTION

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