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Automatic Washing Machine

Owners Maintenance Manual

Note:

Please read this manual carefully before repairing your set.

Retain it for future reference.

Quote this information when you require maintenance.

Model: T7080)18AEEP5

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Contents

1. Safety Information. 3

2. Specification5

3. Features and Technical Instructions6

4. Identification of Parts. 10

5. Installation Guide. 11

6. Circuit diagram14

7. Washing program. 14

8. Introduction of Each Operation Button. 15

9. Dismantle Guide. . 17

10. Running Test. 22

11. Trouble shooting. . 23

12. Care and Maintenance. 26

13. Disassembly diagrams and parts list. 34

WarningSafety instruction! Unplug before maintenance

This maintenance manual is intended for professional maintenance

staff only.

Non-professional maintenance staffs are not allowed to disassemble

or maintain the machine.

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1.Safety information Read carefully

For your safety, the information in this manual must be followed to prevent property damage,personal injury. Save these instructions.

The following symbols are used for classification/Instruction of error use and content ignorance,

which would cause damage or injury.

Warning: possible serious damage or death when violating identity

matters.

Notice: possible minor serious damage or product operation when violating

identity matters.

Classification/Instruction with following symbols for people to obey. For example:

Marks which informs people of drawing attention to possible danger operation.

Marks which informs people of electric shock under certain condition.

Marks which informs people of fire under certain condition.

Marks which informs people of cracks under certain condition.

Warning

Electric shock1. Do not plug with wet hands.2. Keep power plug clean and do

not remove dust with damp cloth.

Electric shock1. Only use 3-core power outlet

with 220V and current more

than 5A.

2. Properly ground washer to

conform with all governing

codes and ordinances

Electric shock1. Do not attempt to repair or

replace any part of this

appliance except professional

maintenance staff.

2. Power cord is connectedwith Y-Shape. If it isdamaged, replace it byprofessional staff or callafter-service hotline.

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Safety information (Read carefully)

Warning

Fire or Electric Leakage1. Do not place any heat source or

open flame (such as anti-mosquito

incense, candle, cigarette, etc.)

around your washer.

Fire ,electric leakage or

short-circuit

1. Do not water on your appliance

when cleaning.

Fire or Short-circuit

1. Unplug this appliance from the

power supply after use.

2. Do not pull power cord when

unplugging.

3. Do not use when power plug

looses.

4.Do not bendbind or press the

power cord.

5. Keep your appliance free of

outdoors or wet areas.

6. Do not use your appliance on a

carpeted floor.

Explosion1. Do not add explosive substances

(such as wax, oil, paint, gasoline,etc.) to the washer. Do not

place these substances around

your washer. \

Personal Injury

1.Do not allow children to play

on ,with or inside this appliance

Personal Injury1.Never reach into washer while it

is moving

2.Wait until the machine has

completely stopped before

opening the lid and touching the

laundry

Warning

Deformation1.The temperature of washing

should be below 40 under

WARM.

2. Do not climb or hold weight on

the washer.

Damage1. Do not keep water in the washer

in case of freezing.

Vibration

1.Do not wash waterproof

clothes(such as rain cape, feathers

dressshower curtain or sleeping

bags) .

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3. Specifications

Model T70(80)18AEEP5

Power supply 220V~, 50HZ

Input power WASH POWER 430W, SPIN POWER 240W

Capacity 6.5(7.5)kg

Size (mm) 540540910 (935)

(LWH)

Water level 10 LEVEL

Water usage 148L(high water level, JET SPRAY and RINSE for 1 time)

Water tab pressure 0.3kgf/cm~8kgf/cm

Washing model Improving turbo drum washing , intelligence sense

Control model FUZZY logic control

SPIN speed 730-800RPM

Program FUZZY(NORMAL), WOOL, QUICK WASH, JEANS, TUB CLEAN, FAVORITE,

SILENT, SMART CLEANING,

Filter 2

Softener Automatic

PC board displays Yes

Accessories

Water supply hose(2) Drain hose(1) Rat-proof base(1) Bolt(1)

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3. Feature and technique instruction

3-1. DD Centrifugal Washing

WASH PROCESS

WASH PRINCIPLE

Soils

Centrifugal flow crossTub rotates

Drive tub to rotate directly through

DD motor. Stream crosses through

laundry and injects from the top of

tub.

Laun

STR

The stream takes away stains on the laundry

3-2.DD Inverter DC Motor

DD Inverter DC Motor sets magnet on rotor and winds coils on stator, whose current is

controlled by sensor and control chips instead of traditional brush.

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Structure of DD Inverter DC Motor

`

Rotor

Motor

Sensor moduleCoil

Stator

Magnet

Working Principle

Motor speed is controlled by the signal width of pulse.

Oscillogram

(Low rotate speed )

Narrow pulse width

(Low rotate speed)

Oscillogram

(High- rotate

speed )

Broad pulse width

(High- rotate speed )

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3-5. Safety Reed Switch

This reed switch system may differ from the old one. The reed switch is in PC board module

and works through contacting with magnets inside lid switch. It would not work until lid is

closed and current is passed through.\

Do not place any magnetic object on the machine, which may lead to operation error.

3-6. Intelligence perception

Seven intelligence perception including unbalance, measurement, water level, door openness,

water temperature , water hardness and detergent density

Unbalance perception may differ from that of old models. It percepts unbalance through

motor rotate speed of DD motor sensor under SPIN and abnormal operation.

3-7.10 Section level

10 section water level

The water level can be adjusted manually with a cycle of

[789101234567] according to requirements as

the button is pressed.

Water

level/detergent

Water level

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5-2. Connecting Water Supply Hose

Connecting Water Supply Hose to the machine

Check to see if there is a black rubber seal inside the

connector. If not, it would cause water-leakage.

Hose

Rubber seal

Inlet valve

Connect the water supply hose to inlet valve of the

washing machine vertically.

Connect the water supply hose to inlet valve of the

washing machine, and then lock it by turning the hose

connecting part.

Connecting Water Supply Hose to water tap

Separate connector from the Water Supply Hose by

pulling the Pressing Rod and the Pressing Handle that

is attached to the Water Supply Hose.

If the tap diameter is too large , remove the guide plateinside

Connector

Press

Press

Water

Untighten the 4 screws on the upper connector and

turning the down connector to leave space about 3

screws between the two connectors.

If the tap diameter is too large,

remove the guide plate inside.

Upper-con

Guide

3 screws

Down-con

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Adjust four screws on connectors to make sure that the

two screws near the wall are in tight contact with

outside of water tap.The screws close to the wall should

be screwed beforehand.

Water tap

Push the upper connector up till the rubber packing

can adhere completely to the tap (Attention: Do not

remove the rubber packing).

Turning two screws to be in tight contact with water

tap. Then tighten the 2 screws.

Turn the lower connector to be in tight contact with

the upper one (Loose connection will cause the water

leakage). Make sure the clearance between the two

connectors is less than 3mm.

Confirmation

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Push the pressing rod of water supply

hose when removing it.

Insert Water Supply Hose into down

connector and loosen pressing handle

during the Water Supply Hose

installation.

Make sure pressing handle is in connector slot.

Check for water leakage

After connecting the hose, open the tap to check for any water leakage.

If the connection leaks, close the tap and start again from step 1. (For example, poor installation of

upper connector or upper and down connectors is not in tight with each other.)

Loose after long-time useClose the tap and start again from step 1. (the same with moving house

or reinstalling water supply hose)

5-3. Connecting Drain Hose

Before connecting

Ensure that the hose clip is set as indicated here.

Connect the Elbow Hose

Push the elbow hose toward the body of the machine.

Place the Drain Hose

To change the direction of the hose, pull out the

elbow hose and change the direction.

Repeat Step 2.

Install or store where it will not be exposed to sunrain or windsCaution

Please use standard rated voltage.

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6.Circuit diagram

Apply in T70(80)18AEEP5

7. Washing Program

Basic process of each function (minutes)

PROCESS

WATER

LEVEL

PROGRAME

WASH RINSE SPIN

Water level8-10

level

5-7

level

3-4

level

1-2

level

8-10

level

5-7

level

3-4

level

1-2

level

8-10

level

5-7

level

3-4

level

1-2

level

FUZZY(NORMAL)

CASUAL WASH

About

20

About

17

About

14

About

10About 5 About 6

QUICK WASH About 3 About 5 About 3

SILENT About 25 About 10 About 6

WOOL About 6 About 10 About 1

JEANS

About

19

About

17

About

14

About

10About 5 About 4

TUB CLEAN About 19 About 5 About 5

Instruction:

each period time varies because of water pressure.Notes:Noise will occur under high water pressue. Use water tap switch to regulate water to eliminatenoise.

41

SMART

CLEANINGAbout 15

REACTOR220V/5A

BK/WH BLWH

DRAIN

MOTOR

DPD/P_signal

CL_SENSIN

About About About About

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Introduction of each operation button T708018AEEP5

Notice:1. Because of automatically optimization of the micro-processor, the display time may change. The increase and

decrease of the old time should not exceed 8 minutes and 4 minutes respectively.2. The standard that compared with sensor result is set up according to the normal standard, which may not

conform to some specific users.3. The detergent amount sensor is designed according to the synthetic detergent. If you add liquid detergent,

soap powder or overdose bleach, sensor sensitivity will degrade.

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4. Sensor sensitivity will decrease after long-time use. Please use "TUB CLEAN" program to clean the inner andouter tub5. Even if the water level or temperature is changed during "STANDARD" program, the sensor is still working.Inner optimization algorithm varies because of different models6. Control panel may differ according to different models.7. "Three-level" mode is available when the water level is between 3 and 8 beside "WOOL" and "TUB CLEAN"

program.

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9.Disassembly guide

Unplug before repairing and replacing

electronic components.

Electrostatic Cautions

Chart 1

Earth wire should be connected before

troubleshooting or parts replacement.

Discharging before working if possible.

Connector

PC board module

9-1. Front panel and PC board

disassembly Remove two screw caps with sharp tools;

Then remove fixed screw on front panel

Push front panel to the left and fetch out

Remove connectors on PC board

Unload 4 screws on front panel

Unload PC board module

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Back panel

9-2. Back panel, Power

cord, Inlet valve and BP

sensor Disassembly

Then remove fixed 2 screws on

back panel.

Unload back panel

Remove a fixed screw on filter.

remove power cord after

unplugging two connectors.

BP sensor

Filter

Unplug connectors on inlet valve

and then remove fixed screws on

valve.

Sub

PCB

Fetch out inlet valve.

Unplug connector and pressure

tube from BP sensor.

Power Inlet

Fetch out BP sensor.Trsional spring

Bolt Bolt

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Tub Cycle

Fixed nutTub Cycle

Outer tub

Inner tub

CutchPivot

Connector drain hose

9-3 Back panel Disassembly

Unplug fixed screw on back panel and then

remove back panel.

9-4.Update boom components

Separate top cap from the washer.

As is shown, separate boom from outer tub.

Do not remove the boom components and

replace it whole.

Assemble according to Table below(position

and colour)

Position P/NO. PIVOT(Color )

K100 Blue

Fixed nut

RotorStator

Rotor nut

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9-5. Replace rotor and stator

remove rotor nuts with wrench(M18)

remove and fetch out rotor as is shown.

Fixed hole

Remove fixed hole and Hydraulic

conductivity board

retaining piece

Stator base

Hall element

Unplug hall element and stator connector

before removing stator.

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Circlip Untighten six stator fixed screws

Check the direction of inner calandria

circlip.

Tighten stator with handles and remove

the last screw.

Hallelement

Rtaining piece stator base

Pay attention to the wire statue in case of

noise.

9-6.Replace Clutch Components Remove 9 fixed screws on clutch and fetch

out.

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10. Test running

Applied model: T70(80)18AEEP5

Water test mode

Use test program and press DELAY,RINSEand POWER together under no load and

water level around 28L .

All the indicators are on under TEST mode. Press START/PAUSE to test following items.

Number Test method LED display Test items

1 Initial status

Alternation display of Version U: 00

and water level frequency

Water level sensor abnormal

displayPE

All the indicators are

on

Water level frequency

is 218-250

2 Press one timeAlternation display of Version d:00,

S:00 and 15d7(8)Test Alpha stream

3 Press twice Display 2 Alpha stream stops

4 Press three times Display hardness valueHardness value is

0-255

5 Press four times Display 4 Drain

6 Press five times Automatic switch is off All indicators are off

Anhydrous test mode

Use test program and press WASH,RINSEand POWER together under no load and no

water.

Test following items under TEST mode.

Number Test method LED display Test items

1 Initial status Display TS

2Press WASH and then press

START/PAUSEDisplay 20

Check if it is under normal

WASH condition

3 Press POWER/AUTO OFF Automatic switch is off All the indicators are off

4 Press combination button again Display TS

Press SPIN and then press

START/PAUSE5 Display 9

Check if it is under normal

SPIN condition.

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11. Troubleshooting

11-1.Check the problem against the list bellows

Symptom Error

Message

Check up Check up

Water supply failure Is the water tap shut off?

Is the water supply cut off

Is the water tap, water hose or inlet valve

clogged?

Is the connector connected?

Drainage Failure Is the drain hose positioned correctly?

Is the drain hose bent or placed too high?

Is the internal part of the hose clogged?

Spin failure Is the laundry evenly balanced?

Is the washing machine placed on a flat

surface?

Is too much detergent used?

Door(Lid ) open Is the lid closed?

Internal sensing

failure

Overflow failure

Motor failure

see detailed information later

Clutch failure

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11-2. Display troubleshooting according to errors

Problems Reasons Possible causes Solution measures

Water

supply

Sensor null water level is under

26.0khz when watering for 12

minutes.

Sensor the water level remains

unchanged every 5 minutes with

water supply above null water level.

water tap is shut off

water supply is cut off

Inlet valve is clogged

Connector is installed

improperly.

Connection error of inlet

valve six-leg connector

and sub PC board.

Turn on water tap

Wait for water supply

Clean or replace filter

Connect connectors

properly

As above

drainage Water does not drain within 12

minutes.

Sensor water level is under 25.7khz for

6 times during SPIN with water.

Is the drain hose

positioned correctly?

Is the drain hose

clogged with impurities.

Is the internal part of

the hose clogged

Height of drain hose

should be less than 6 cm

from the floor.

Remove any foreign

objects inside pump.

Replace the drain motor

or connect connectors

properly.

Unbalance Three open circuits occur during

SPIN due to clothing placed

unevenly.

laundry in the tub is

placed unevenly.

The washer is placed on

an un-flat surface.

Place the laundry

evenly

Adjust Adjustable Legs

Door(Lid)

Open

Lid is open during SPIN and WASH

Continuous Alarm

Lid is open during SPIN

Process.

Lid is open during

WASH PROCESS

Connection error of PC

board connectors.

Close lid

Close lid

Connect connectors

properly.

Check over

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Problems Reasons Possible causes Solution measures

Internal

sensing

failure

Water level switch is

close

Connection error of water level

switch or eight-leg PC board

connector

Air chamber or hose is clogged.

Water level switch is damaged

Connect connectors properly

Fix air chamber and remove

foreign objects.

Replace water level switch

Overflow

failure

Check if the leakage or drain

hose height extends 6cm

from the ground.

Check if outer tub pore or air

tube is clogged.

Check if there is leakage in

poresair tubes or connectors

Place drain hose 6cm

underneath.

Replace water level switch

Motor

failure

Connection error of Hall

element or eight-leg PC board

connector

Connection error of Motor

stator or Yellow 3-leg PC board

connector

Hall element is damaged

Stuck by clutch

Connect connectors properly

replace stator

replace clutch

replace PC board

Clutch

failure

Drain motor connector looses Connect connectors properly

Connector output voltage is

abnormal.

Replace PC board

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12. Maintenance Guide

12-1.Common washing problems

Many washing problems involve poor soil&stain removal, residues of lint and scum, and fabric

damage. For satisfactory washing results, follow these instructions.

WASH PROBLEM

Problems Possible causes Solution& Preventive Measures

Poor soil removal Not enough detergent

Wash water temperature

too low

Overloading the washer

Incorrect wash cycle

Incorrect sorting

Do not pretreat stain

Use correct amount of Detergent for load size, amount

of soil and water Hardness.

Use WARM or HOT water for normal soil. Different

Water Temperature may be required according to Soil

type.

Reduce load size

Wash with POWER cycle for heavy soiled laundry

Separate heavily soiled items from lightly soiled ones.

Blue, Gray or Brownstains

Undiluted fabric softenerdispensed directly onto

fabric

Rub the stain with bar soap. Wash.Do not overfill fabric softener dispenser and do not pour

liquid fabric directly onto fabric.

Black or gray marks

on clothes

A buildup caused by the

interaction of fabric

softener and Detergent

can flake off and mark

clothes.

Not enough detergent

Use correct amount of detergent for load size, amount of

soil and water hardness.

Yellow or brown rust

stains

Iron or manganese in

water supply, water pipes

Not enough detergent

To restore discolored load of whites, use rust remover

safe for fabric

Install nonprecipitating water softener or an iron filter in

your water supply system for an ongoing problem Before washing, run water for a few minutes to clear

lines.

Lint Incorrect sorting

Tissues left in pocket

overloading the washer

Wash lint givers eg towels, flannelette sheets, separately

from lint collectors eg synthetic fabrics

Remove tissues in pockets before wash. See attentions

for sorting and caring before loading.

Do not overload the washer

Residue or detergent Overloading the washer

Undissolved detergent

Use too much Detergent

Do not overload the washer

Some Detergents need to be pre-dissolved, check the

Detergent instructions. Try pre-dissolving the

Detergent in warm water.

Increase Water Temperature using HOT water safe for

fabric.

Use proper amount of Detergent.

Holes, tears, or snags Incorrect use of chlorine

bleach

Unfastened zippers,

hooks, buckles

Ribs, tears and broken

threads

Never pour chlorine bleach directly on fabric

Fasten zippers, hooks, and buckles

Overloading the washer

Degradation of fabric

Remove objects in pockets

Do not overload the washer.

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12-2. How to diagnose and maintain according to symptoms

1) Power Failure

Where, what and how Check results

Possible

reasons

Solution measures

Power

Yes Electric

problems

1. Check if the socket is in poor

contact.

Replace plugs

Normal None2. measure voltage

0V Power

supply

Contact Power Supply Bureau

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2) Display problem

Where, what and how Check results Possible reasons Solution measures

Main voltage

1. measure main voltage Less than 85% of normal

voltage

Low voltage

Because of low voltage

supply. Please use

transformer if voltage is

keeping low.

2. measure external insert

row voltage if main

voltage is normal.

Less than 85% of normal

voltage

Wire is too small or there

are too many

connections on insert

row.

Use transformer

PC board

1. LED damage

2. LED drive circuit

damage

3. Chips damage

PC board damage

Replace PC board

3) Restart during working

Where, what and how Check results Possible reasons Solution measures

Main voltage

1. measure plug voltage

during working

Less than 80% of normal

voltage

Main voltage is too low or

wire size is too small.

Because of low voltage

supply and please use

suitable wire.

2. restart fault repeats

during special periods

Temporary voltage surge Because of environmental

condition(high-frequenc

y voltage around)

3. check if there is voltage

change.(such as flashing

lights)

Because of power supply

environment

PC board Replace PC board

1. It must be PC board

fault if there is no

main voltage fault.

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4) No water supply

Check Check results Possible reasons Solution measures

Inlet valve

1 Water is not flowing

into inner tub and

there is current flow

though inlet valve is

working.

1) Check if water tap is

close.

Close Close Explanation

2) check if the tap is

open

No Use error Open water tab

3)remove inlet valve and check

filter if problems are not

mentioned above.

Filter is clogged No cleaning Use a brush to clean the

filter and filter should be

cleaned regularly.

3) check whether

membrane hole is

clogged with foreign

objects or piston

inside valve is locked

if problems are not

mentioned above.

Inlet valve fault Replace inlet valve

2 If inlet valve is not

working and there is

no current sound

during water supply.

1) Check if connectors

are not connected or

connected unproperly.

Poor connection Connection fault Connect again or

implement

troubleshooting caused by

poor connection.

2) Check inlet valve

resistance

Not between 0

812K

Coil is cut off Replace inlet valve

Pressure sensor

1 If error message PE is

displayed: sensor fault.

PEerror display Connectors do not

connect or harness, coil is

cut off.

Connect connectors or

replace harness. If coil is

cut off, replace the sensor.2Check BP sensor (pressure

sensor) frequency with no

load and no water supply.

Less than 20KHz BP sensor fault Replace BP sensor fault

Yes Replace PC boardPC board

1If inlet valve and sensor have

no fault, check the PC

board.

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5)Continuous or intermittent water supply


Incorrect installation/water

leakage

1Check if drain hose is

placed on the floor.(Pump

model)

Yes Incorrect installation Drain hose should be

hang over standpipe or

wash tub. Replace parts.

2Check leakage place Water leakage from

some parts

Parts fault Repair the parts

Pressure sensor

1 Check if wave wheel

rotates with no water supply.

No No water pressure sensor Check if pressure sensor

pipe is broken and repair

it.

2 Check if air hole is

clogged there is no sensor

fault.

Yes Air hole is clogged Repair air hole

Inlet valve

1 Is there water supply

under no power(power

is off)?

Yes Inlet valve fault Replace inlet valve

PC board

1Press POWER and there

is water supply

immediately before

START/PAUSE

pressed.

Short-circuit of controlled

silicon

Replace PC board

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6) Display LE and out of work


1Check connectors Poor connection Connection fault Connect again or

implement

troubleshooting caused by

poor connection.

2Check rotor magnet Cracked Replace rotor

3Measure if resistance

between two legs of stator

connector is between

515.

Yes

No

None

Stator fault Replace stator

Normal

Abnormal

None

Hall element fault

4Check Hall element

Replace Hall element

5It must be PC board

fault if fault is not

mentioned above.

Replace PC board

7) Power failure


Main voltage

Input voltage is abnormal

caused by interference.

Input voltage fault Explanation

( high-frequency device

around washer)

Automatic power relay orPC board

1 Check if power is

off automatically when

unplugging power cord

during power is on.

2 There must be PC

board fault if power is off

immediately when power

is on and power switch is

under good condition.

Power is cut off

immediately.

Power switch fault Replace PC board

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8) Undrained


Drain motor

Yes Clogged with foreign

objects

1 Check if there is

working sound of drain

motor.

Unplug drain valve and

remove foreign objects

2Measure resistance if

there is no working

sound

Drain motor coil is cut off Replace drain motor

Connector fault Connector fault Repair connector3Check connectors if

there is no working sound

and resistance is normal.No Connector fault PC board fault Replace PC board

Drain hose

Winded Installation problem Install it again to avoid

winding

1Check if the space is

too small to place

drain hose or hose is

winded


folded or clogged

with foreign objects.

Clogged Drain hose is clogged Remove foreign objects or

install it again to avoid

winding.

9) Drain out of drainage time


Clogged with foreign

objects

Remove foreign objects

Drain valve shell

1Check whether rubber

bellows are deformed

or there are foreign

objects in drain valve

components if keeping

draining.

Deformation of rubber

bellows

Deformation of rubber

bellows

Replace rubber bellows

PC board

1Check if drain motor or

drain pump runs

immediately when

power is on.

Yes

PC board fault

Replace PC board

Drain hose


properly installed. The

discharge height should

be approximately0.9-1.2m from the floor.

less than suggested height

Incorrect installation

Place the outlet of drain

hose 0.9-1.2m from the

floor.

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10) Drainage fault during drainage time


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13.Disassembly diagrams and Parts list

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13-1.The Exploded View Of Top Cover Assembly

A062A060

A210

A160

A100

A170

A010

A027

A172

A180

A240

A200

A190

A150A152

A230

A173

A160

A171

A063

A052

A020

A065

A040

A061

A030

35

A181

HOT(ORANGE)

COLD(BLUE)A270

A064

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13-2.The Exploded View Of Cabinet Assembly

F070

F020

F000

F001

F023

F023

F024

F090

36

F002

F003

F004

F005

F090

F040

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13-3.The Exploded View Of Tub Assembly

K064

K000

K021

K020

K250

K061

K110

NATURAL

K200

K210

K201

K305

K300

K340

K290

K240

K050

K063

K062

K060

K040

K012

K090

K140

K370

K005

K011

K100

K105

K004

K230

K270

LG t7018aeep5

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