Electrolux EWM 1000 AEG Manuale utente

SERVICE MANUAL

Publ.-Nr.:

599 51 50 25

685

11.06

Muggenhofer Straße 135

D-90429 Nürnberg

Germany

Fax +49 (0)911 323 1022

DGS-TDS-N

Edition

WASHING

Washing machines,

Toploader

EWM1000

AEG

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DGS-TDS-N 11.06 R.B. © Electrolux 599 51 50 25 EN

CONTENTS

Control Panel...................................................................................................................3

Button / Program ............................................................................................................. 3 - 5

Functions of the System .................................................................................................6

Electronic Module ............................................................................................................ 7

Door Lock ........................................................................................................................ 8

DSP (Drum-Self-Position) ............................................................................................... 9

Water Inlet Valve for 3- and 4-chamber detergent box .................................................. 10

Water Distributor ........................................................................................................... 11

Pressure switch ............................................................................................................ 12 - 13

Heating element ............................................................................................................ 13

Heating Circuit ............................................................................................................... 14

Drain pump ................................................................................................................... 15

Motor ........................................................................................................................ 15

Drum movements ......................................................................................................... 16

Spinning profiles ............................................................................................................ 17 -18

Function of the FUCS ....................................................................................................19 - 20

Foam Detection ............................................................................................................. 21

Accessibility of Components ......................................................................................... 22

Service Program ........................................................................................................... 23 - 29

Demo-Programm .......................................................................................................... 30

Circuit Diagram ............................................................................................................. 31 - 39

Changes ........................................................................................................................40

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DGS-TDS-N 11.06 R.B. © Electrolux 599 51 50 25 EN

Control Panel

- Rotary programme selector with 16 positions and integral on-off switch

- 5 function keys

- 14 (15) function LEDs

The individual positions of the programme selector can be configured for different wash programmes.

Position 0 (OFF) of the selector is always defined as on-off switch. For each programme, the additional

functions available and other parameters are defined. The appliance configuration also defines the key

functions each available and the LEDs.

Cycles

LED main wash

LED rinse

LED rinse+

LED spin

LED end

LED lid

Start/Pause Button

Function:

- The selected program is activated by pressing the start/pause button.

- If the cycle is to be paused, press the start/pause button. This button is not effective when the suds

temperature is >40° C.

Pre-Wash Button

Function:

- This is available in the programmes cotton/colored, easy-care, delicate fabrics and energy-

programmes.

- Can't be combined with the “stains” button.

- It is heated up to max. 30 ° C.

LED status process

ON cycle is running (lid closed)

start/pause FLASHING cycle in pause position

OFF lid not closed

ON lid can be opened, it is possible to pause the cycle

lid (rot) FLASHING cycle was paused

OFF cycle running, no possibility to pause

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DGS-TDS-N 11.06 R.B. © Electrolux 599 51 50 25 EN

Stains Button

Function:

- This is available in the programmes cotton/colored and easy-care.

The selected temperature however must be >=40°C.

- Separate rinsing in of stain remover through the pre-wash chamber, approx. 1.2 ltrs.

- Can*t be combined with the “pre-wash” button.

- Extends the cycle duration in the main wash by 5 minutes after the first heating to 40°C.

Time-Saving Key

Function:

- This is available in the programmes cotton/colored, easy-care and delicate fabrics.

- Can't be combined with the the ECO cycles.

Delayed start Button

Function:

- This is available in the programmes cotton/colored, easy-care, delicate and wool fabrics.

- By pressing this key, you can reduce the duration to zero step by step.

- For example, if a time preselection of 6h has been selected, the LED lights for 6h. When the

timepreselection reduces to 3h, the LED goes out for 6h and the LED lights for 3h etc.

Spin Deselection Button

Function:

- By pressing this key, you can reduce spin-dry speed step by step down to Zero or to rinse stop.

- Reduces the spinning speed of all spin-dry cycles.

Easy Iron 40°C

Function:

With cotton/colored programmes:

- No intermediate spin-dry cycle.

- 3 additional rinse cycles.

- Pulse spin-dry

- Additional loosening phase after spin-drying

With easy-care programmes:

- Reduced wash temperature

- Prolonged wash time and prolonged cooling phase

- One additional rinse cycle

- Additional loosening phase after spin-drying

Energy-programmes

Function:

- Wash temperature is reduced to 60°C and wash time is prolonged.

- Can be combined with the keys “Prewash” and “Stains”.

1200 900 700 Rince hold

1000 900 700 Rince hold

1000 700 Rince hold

1200 600

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DGS-TDS-N 11.06 R.B. © Electrolux 599 51 50 25 EN

Rinse +

Function:

- This is available in the programmes cotton/colored, easy-care and delicate fabrics.

- Two additional rinse cycles are added.

- No intermediate rinse, except after the last rinse cycle.

Activation of the extra rinse cycle:

- Press simultaneously key 1 and key 3, turn the programme selector by one position to the right.

Keep the keys pressed until the LED Rinse+ is lit on the programme flow display.

- This programming will be stored until it is deactivated again.

Deactivation of the extra rinse cycle:

- Proceed in the same way as when activating it.

Press simultaneously key 1 and key 3, turn the programme selector one position to the right. Keep

the keys pressed until the LED Rinse+ goes dark on the programme flow display.

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DGS-TDS-N 11.06 R.B. © Electrolux 599 51 50 25 EN

1. Electronic module

2. Door lock

3. pressure switch

4. Drain pump

5. Termistance

6. Inlet valve

7. Motor

8. Heating element

9. DSP (Drum Self Position)

Functions of the System

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DGS-TDS-N 11.06 R.B. © Electrolux 599 51 50 25 EN

Electronic Module

The electronic module, including the μP, controls various functions and is placed in a protective housing.

Functions:

- Taking data of the selected cycle programs through the module.

- Water level control in the washtub; a pressure switch detecting the level.

- Cycle temperature control by a NTC sensor.

- Power supply of the heating element.

- Power supply of the drive motor and control of its speed by the tachymetric generator.

- Control of water inlet valves.

- Drain pump and door lock control.

In case of a power failure the module saves the just paused cycle.

- When the power supply to the appliance is restored again, the cycle starts where the program was

paused.

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DGS-TDS-N 11.06 R.B. © Electrolux 599 51 50 25 EN

5432

Door Lock

locking part

make-and-break

contact

PTC bimetal

tooth lock washer

lever

magnetic coil

2 = N

3 = impulse electronic

4 = L

5 = electronic J2-1

When closing the lid the door lock gets an impulse from the electronic by contact 3. The impulse feeds

the magnetic coil over the PTC resistor. This moves the lever down and the tooth lock washer is

forwarded by another tooth. This can be heard by a click. The locking part is unlocked, the lid is closed.

When opening the lid, e.g. with the start/pause button or at the end of the cycle, the door lock gets two

impulses from the electronic. The tooth lock washer is moved twice. Only because of the second impulse

the lid can be opened immediately.

The second impulse unlocks the locking part mechanically through the tooth lock washer.

Why two impulses?

The door lock is controlled by a triac which is on the main circuit board. If there is a triac short circuit, the

electronic sends an impulse to the door lock. The customer could open the appliance, if the second

impulse was not required.

If there is a power failure during a wash cycle, the door lock requires approx. 2 min until the lid can be

opened. During this time the PTC bimetal cools down and the locking part opens.

Circuit Diagram

Security:

(see page Service - Program fault display E40)

PTC resistor

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DGS-TDS-N 11.06 R.B. © Electrolux 599 51 50 25 EN

DSP (Drum-Self-Position)

Control ( check ) the DSP-Function:

1. Remove the side panel, switch on the appliance

- Turn the drum to the right position ---> LED on

- Turn the drum over the right position ---> LED off

2 Remove the two plugs from the DSP and check the

resitance of the reed relay.

- Turn the drum to the right position ---> ∞Ω

- Turn the drum over the right position ---> no Ω

3 The drum is still in the right position.

Now measure the voltage. 5-6V DC

- If there is no voltage ---> Cable,

Electronic board

is defective

4. Check the Electronic in the customers service test pro-

gram.

- LED on ---> Electronic OK.

- LED off ---> Electronic defective.

Function:

The reed relay is closed if the metalic sheet, located on the pully, isn't between the magnet and the reed

relay. If the position of the metalic sheet is between those parts the contact of the reed relay is opened.

To mount the pulley in the correct way, you have to take care about following items:

The metal sheet located on the pulley should be in the drum self positioning device, if the door of the

drum is in the upper postion. The DSP is supplied with 5-6 V DC by the main board.

Condition drum positioned:

Reed contact opened, LED-Drum positioned illuminated, 5-6V DC.

Condition drum out of postion:

Reed contact closed, LED-Drum positioned not illuminated, 0V.

If the washing cycle is interrupted by the start pause button the drum has to be postioned within 10 sec.

During this time 2-3 attempts can be excecuted.If the drum isn't positioned during this time, the lid of the

appliance is released and can be opened. The LED drum positioned is not illuminated.

At the end of the cycle the positioning phase is 2 min until time out is reached.

Magnet

Reed - Switch

Connections

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DGS-TDS-N 11.06 R.B. © Electrolux 599 51 50 25 EN

Water Inlet Valve for 3-chamber detergent box

1 - inlet valve, 2-fold

2 - hose for main wash

3 - 3-chamber detergent box

4 - hose for pre-wash

5 - water distributor

6 - water distributor cover

*) Attention!

The flushing into the prewash chamber goes via hose 4.

The flushing into the main wash chamber goes via hose 2.

The simultaneous filling through hoses 2 and 4 provides the fill-in through the softener chamber.

Water Inlet Valve for 4-chamber detergent box

*) Attention!

The flushing into the prewash resp. bleach chamber goes via hose 4.

This is possible due to a connecting channel in the flush-in chamber.

In doing so, approx. 75% water flows into the prewash chamber and aprox. 25% into the

bleach chamber.

It is not possible to select both options prewash and bleaching at the same time.

The flushing into the main wash chamber goes via hose 2.

The simultaneous filling through hoses 2 and 4 provides the fill-in through the softener chamber.

1 - inlet valve, 2-fold

2 - hose for main wash

3 - 4-chamber detergent box

4 - hose for pre-wash and bleach

5 - water distributor

6 - water distributor cover

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