Daewoo DWF-650 User manual

Service Manual

Model:DWF-650

Auto Washer

S/N:. WF5510SE02

DWF-6521P

Nov. 1999

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WASHING MACHINE

Contents

1. SPECIFICATIONS 2

2. STRUCTURE OF THE WASHING MACHINE 3

3. FUNCTIONS OF THE CONTROL PANEL 4

4. WASHING PROCEDURE AND COURSE SELECTION

FULL AUTOMATIC COURSE 5

RESERVED WASHING 7

PARTIAL SELECTION AMONG WASH, RINSE OR SPIN 7

5. DIRECTIONS FOR INSTALLATION AND USE

INSTALLATION OF THE UNDER BASE COVER 8

HOW TO INSTALL ON AN INCLINED PLACE 8

HOW TO CONNECT THE INLET HOSE 9

HOW TO CLEAN THE FILTER 10

6. FEATURE AND TECHNICAL EXPLANATION

FEATURE OF THE WASHING MACHINE 11

WATER CURRENT TO ADJUST THE UNBALANCED LOAD 11

AUTOMATIC WATER SUPPLY SYSTEM FOR BLANKET WASH 11

PULSATOR SYSTEM 12

AUTOMATIC DRAINING TIME ADJUSTMENT 12

SOFTENER DISPENSER 13

AUTOMATIC UNBALANCE ADJUSTMENT 14

CIRCULATING-WATER COURSE AND LINT FILTER 14

LINT FILTER 15

RESIDUAL TIME DISPLAY 15

DRAIN MOTOR 15

GEAR MECHANISM ASS’Y 16

PRINCIPLE OF BUBBLE GENERATOR 16

FUNCTIONAL PRINCIPLE OF BUBBLE WASHING MACHINE 17

7. DIRECTIONS FOR DISASSEMBLY AND ADJUSTMENT

GEAR MECHANISM ASS’Y REPLACEMENT 18

DRAIN MOTOR AND VALVE 19

BRAKE ADJUSTMENT 19

8. TROUBLE SHOOTING GUIDE

CONCERNING WATER SUPPLY 20

CONCERNING WASHING 21

CONCERNING DRAINING 22

CONCERNING SPINNING 23

CONCERNING OPERATION 24

9. PRESENTATION OF THE P.C.B ASS’Y 25

APPENDIX

WIRING DIAGRAM 26

PARTS DIAGRAM & PARTS LIST 30

CIRCUIT DIAGRAM 39

1. SPECIFICATIONS

SPECIFICATIONS

NO. ITEM

1 POWER SOURCE AVAILABLE IN ALL LOCAL AC VOLTAGE

POWER

50Hz 250W

CONSUMPTION

60Hz 270W

MACHINE NET

WEIGHT

GROSS

4 DIMENSION (WXHXD)

MATERIAL OF INTERNAL TUB

PLASTIC STAINLESS STEEL

WASHING COURSE

FULL AUTOMATIC 4 COURCE

(FUZZY, LIGHT, HEAVY, WOOL/SUIT)

WATER LEVEL SELECTOR

HIGH(55l), MID(45l), LOW(31l)

OPERATING WATER PRESSURE

0.3kgf/cm2~8kgf/cm2 (2.94 N/cm2~78.4N/cm2)

MAXIMUM MASS OF TEXTILE

5.5Kg 6.0Kg

REVOLUTION WASH 125~145(50Hz), 130~150(60Hz)

10 SPIN 710~725(50Hz), 760~785(60Hz)

PER MINUTE SUIT 50(50Hz), 60(60Hz)

DIRECTION INLET VALVE

WATER CONSUMPTION

APPROX. 135l/CYCLE APPROX. 130l/CYCLE

13 PULSATOR PROVIDED WITH 6 SPOUTING HOLES FOR POWERFUL UPWARD WATER STREAM

WATER LEVEL CONTROL

ELECTRONICAL SENSOR

15 ANTI NOISE PLATE OPTION

GEAR MECHANISM ASS’Y

SPUR GEAR

17 LINT FILTER O

18 SOFTENER INLET O

19 ALARM SIGNAL O

20 AUTO. WATER SUPPLY O

FUNCTION FOR BUBBLE

OPTION

AUTO RE-FEED WATER

23 AUTO POWER OFF O

DWF-5510 DWF-5511 DWF-5520 DWF-5521 DWF-6010 DWF-6011 DWF-6020 DWF-6021

532X855X542

32.5

532X920X542

32.5

532X887X542

532X952X542

32.5

532X855X542

532X920X542

532X887X542

33.5

532X952X542

BACKWARD UPWARD BACKWARD UPWARD

3. FUNCTIONS OF THE CONTROL PANEL

CONTROL PANEL

Power Switch

• Press this button to turn the power ON or OFF.

Water Level Selector

• This button is used to select the water level you want.

Reservation Button

• If you want to reserve the finishing time of washing, use this button.

As this button is pressed, digit in display increases by 1 hour at one press.

• If current time is 8:00 am and you expect washing will be completed around 5:00 pm, press

this nine times in order to display ‘9’.

Course Selector

• This button is used to select the washing course according to the type of wash loads.

• Either WOOL or SUIT course is adopted to your washing machine.

Program Button

• With this button, you can create new programs by combinations of process.

Temperature Selector (Optional)

• If your washer is connected to two water taps for cold water and hot water, you can select

them. Without operation, cold water would be selected automatically.

Start/Hold

• With this button, you can make your washer proceed your program, or stop temporarilly.

And you can also release the temporary stop by pressing this.

HIGH

MID

FUZZY

LIGHT

HEAVY

SUIT

WASH

ADD

RINSE

SPIN

LOW

HOT

COLD

RES.

DAEWOO AUTOMATIC WASHER

WATER

LEVEL

COURSE

RES.

PROCESS

TEMP

POWER

START

/ HOLD

HIGH

MID

FUZZY

LIGHT

HEAVY

SUIT

WASH

ADD

RINSE

SPIN

LOW

HOT

COLD

RES.

DAEWOO AUTOMATIC WASHER

WATER

LEVEL

COURSE

RES.

PROCESS

TEMP

POWER

START

/ HOLD

Control panel has micom sensor.

As the buttons are pressed, the lamps indicating the selection of your desired washing program will light up.

§§

Dwf-5510/5511/6010/6011

§§

Dwf-5520/5521/6020/6021

POWER

WATER

LEVEL

RES.

COURSE

PROCESS

TEMP

START

/ HOLD

PROCEDURE

§§

Reserved Washing

§§

Partial Selection Among Wash, Rinse or Spin

step 1. Press power switch.

step 2. Press program button until the indicating lamps make the combinations you want.

If only spin lamp is turned on, that means you will operate your washer for spin only.

If rinse and spin lamp are turned on, that means you will operate your washer for rinse and spin.

If add lamp is turned on with other porcess lamps, that means the time of the corresponding porcess will

increase by 1~2 minutes, that is, if add is on with wash, rinse and spin, the time of each precess will increase

by 1~2 minutes. (Wash: add 2 min., Rinse: add 1 min., Spin: add 1 min.)

step 3. Press water level selector as your decision.

step 4. Press Start/Hold to start.

11Processing

the Power

Switch

22Selecting

Water level

HIGH

MID

LOW

ADD

WASH

RINSE

SPIN

Wash & Rinse

& Spin

Only Spin

Add & Wash

Add & RInse

& Spin

Add & Spin

Add & Wash

& Rinse & Spin

Only Wash

Rinse & Spin

ADD

WASH

RINSE

SPIN

ADD

WASH

RINSE

SPIN

ADD

WASH

RINSE

SPIN

ADD

WASH

RINSE

SPIN

ADD

WASH

RINSE

SPIN

ADD

WASH

RINSE

SPIN

ADD

WASH

RINSE

SPIN

ADD

WASH

RINSE

SPIN

44Pressing

the Start/Hold

Switch

End of

Washing

It is Informed

by buzzer.

33Selecting Course

WATER

LEVEL

PROCESS

POWER

START

/ HOLD

1Set your program as the above

procedure, remaining last step.

• Press the course selection button.

• Press the procedure selection but-

ton.

• But WOOL/SUIT course can not

reservation.

2Press reservation button until the

digital monitor displays the finish-

ing time you want.

3Press Start/Hold to start.

RES. START

/ HOLD

5. DIRECTIONS FOR INSTALLATION AND USE

DIRECTIONS

The openings must not

be obstructed by carpet-

ing when the washing

machine is installed on a

carpeted floor.

§§

Installation Of The Under Base Cover [Option]

-DWF-5510/5511/5010/6011

§§

How To Install On An Inclined Place

¡The place where it would be

exposed to direct sunlight.

¡The place nearby a heater or heat

appliance.

¡The place where it would be sup-

posed to be frozen in winter.

¡The kitchen with coal gas and a

damp place like a bathroom.

NOTES

10Cm

Install the washer on a horizon-

tal solid floor. If the washer is

installed on an unsuitable floor,

it could make considerable

noise and vibration.

Installing Place

Never install in these places

1Before installing your

washer, remove the

pad from the bottom

of the cabinet. Then,

separate under cover

from rear side of cab-

inet by unscrewing

and insert it into the

base.

2Push the under-base

cover into the end, which

decrease the noise made

by this washer.

2Check the Horizon

Status

Check the position of tub above

the center of the washer.

1Horizon

Setting

After controlling the height

by turning the adjustable

leg, let the washer put

down to the ground.

Keep the machine body more

than 25cm apart from the wall

surface. It will make easy clean-

ing the drain filter which is

equipped at the back side of it.

And if it comes into contract

vibration may occur.

SCREW

1There is under-base

cover in the tub of the

washer. Put out and

draw it in its proper

site. (See picture)

2Push the under-base

cover into the end, which

decrease the noise made

by this washer.

-DWF-5520/5521/6020/6021

6. FEATURE AND TECHNICAL EXPLANATION

EXPLANATION

WASH DRAIN SPIN FILL RINSE 1 DRAIN SPIN FILL RINSE 2 DRAIN •••

MOTOR C.W

SINGAL C.C.W

TIME(SEC.) 0.4 0.4 0.4 0.4 0.4 0.4 •••••••

40 SEC. (About 25 Times)

* When the water level is “HIGH”

Feature of the Washing Machine

1The first air bubble washing system in the world.

2Quiet washing through the innovational low-noise design.

3The wash effectiveness is much more enhanced because of the air bubble washing system.

4The laundry detergent dissolves well in water because of the air bubble washing system.

5The adoption of the water currents to adjust the unbalanced load.

6One-touch operation system.

Water Current to Adjust the Unbalanced Load

It is a function to prevent eccentricity of the clothes after wash by rotating pulsator C.W and C.C.W for 35

seconds.(But, the SUIT course have no operation of the water currents to adjust the unbalnced load.)

EFFECT

It reduces vibration and noise effectively while spinning.

WATER FLOW

Automatic Water Supply System For Blanket Wash

The water level would be lowered because the blanket absorbs water at the beginning of washing. Therefore, after

60 seconds, the operation is interrupted to check the water level, and then the water is supplied again until the select-

ed water level is reached.

EXPLANATION

FUNCTIONAL PRINCIPLE

1 The micom can remember the time from the begining of drain to reset point when the pressure switch reaches to

“OFF” point

2 In case of continuous draining, residual drain time is determined by micom.

Draining time as a whole = D + 30 Residual drain time.

The time remembered by micom.

Asymmetrically designed pulsator

makes the cyclone water flow, which get

rid of the washing dead zone to

increase the washing effect and reduce

the entanglement of laundry.

Draining Good draining The washer begins spin process after drainage.

condition Bad draining Draininig time is prolonged.

No draining Program is stopped and gives the alarm.

Drain Time Movement of the Program

Less than Continue draining

10 minutes

More than Program stops and gives the alarm with blinked on display lamp.

10 minutes

Pulsator System

When the pulsator is rotated C.W or C.C.W at a high speed, it makes the cyclone water flow from the asymmetrically

designed pulsator as shown below.

Automatic Drainning time Adjustment

This system adjusts the draining time automatically according to the draining condition.

EXPLANATION

This is the device to dispense the softener automatically by centrifugal force.

This is installed inside the auto-balancer.

FUNCTIONAL PRINCIPLE

1Softener stays in room (A) when poured into softener inlet.

2Softener moves from (A) to (B) by centrifugal force during intermittent spin process.

3Softener flows from (B) to (C) during rinse process next to intermittent spin.

4Softener moves from (C) to (D) by centrigfugal force during second intermittent spin.

After spin process is finished, the softener is added into the tub through softener outlet.

FLOW OF THE SOFTENER

FLOW OF THE SOFTENER INSIDE OF THE BALANCER

HOW TO CHECK MOVEMENT

Pour a reasonable amount of “MILK” into softener dis-

penser and operate the washer with no load. In final

rinse cycle, make sure that the milk is added into the

tub through softener outlet.

Wash Intermittent Hold Intermittent Rinse Spin

Spin Spin

Normal Centrifugal Flow in Centrifugal Flow in

force force

Course (A) (B) (C) (D)

ABC D

Room inside

the balancer

Centrifugal force

Flowing by weight

Balancer Softener

outlet

Softener inlet

Softener Dispenser

Softener moves into the next room when r.p.m of the tub is more than 100 r.p.m.

NOTES

EXPLANATION

Contact of safety switch Lid closing

Lid opening

Contact lever A

Normal (ON)

Position of

unbalanced load (OFF)

Automatic Unbalance Adjustment

Circulating-Water Course and Lint Filter

The alarm finished when you close the lid after opening

it. Check the unbalance of the wash load and the instal-

lation condition.

NOTES

Filter Tub

Outer tub

Water

channel

Pulsator

This system is to prevent abnormal vibration during intermittent spin and spin process.

FUNCTIONAL PRINCIPLE

1When the lid is closed, the safety switch

contact is “ON” position.

2In case that wash loads get uneven during

spin, the outer tub hits the safety switch

due to the serious vibration, and the spin

process is interrupted.

3In case that P.C.B. ASS’Y gets “OFF” signal

from the safety switch, spin process are

stopped and rinse process is started auto-

matically by P.C.B. ASS’Y.

4If the safety switch is operated due to the

unbalance of the tub, the program is

stopped and the alarm is given.

CIRCULATING-WATER

The washing and rinsing effects have been

improved by adopting the water system in

which water in the tub is circulated in a

designed pattern.

When the pulsator rotates during the washing

or rinsing process, the water below the pul-

sator vanes creates a water currents as shown

in figure.

The water is then discharged from the upper

part of the tub through the water channel.

About 40 L/min. water is circulated at the ‘high’

water level, standard wash load and standard

water currents.

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