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Elektrolux Washing machine circuit diagram EWM1000 platform

Electrolux washing machine circuit diagram EWM1000 platform.jpg

Electrical components – appliance Components of electronic circuit board

1. Circuit board

2. Suppressor

3. Main switch (on programme selector)

4. Door safety interlock

5. 1st level pressure switch

6. Anti-boiling pressure switch

7. Anti-overflow pressure switch (certain models only)

8. Heating element

9. Stator (motor)

10. Overload circuit-breaker (motor)

11. Tachymetric generator (motor)

12. Rotor (motor)

13. Drain pump

14. Pre-wash solenoid valve

15. Washing solenoid valve

16. “Door closed” lamp (certain models only)

17. Drum positioning system (DSP) (top-loaders – certain models only)

DOOR_TY Triac for door safety interlock

DRAIN_TY Triac for drain pump

K1 Heating element relay

K2 Motor relay: clockwise rotation

K3 Motor relay: anti-clockwise rotation

K4 Motor relay: half-range power (certain models only)

MOTOR_TY Motor triac

ON/OFF Main switch (programme selector)

PWELW_TY Triac for pre-wash solenoid valve

Serial interface Asynchronous serial interface

WELV_TY Triac for washing solenoid valve

Electrolux washing machine circuit diagram EWM1000  platform ptc lock.jpg

 

 

Elektrolux washing machine connectors on control  board circuit

 

 

In case of burning on the main control  board circuit, check that the problem is not caused by another electrical component (short-circuits, poor insulation, water leakage).

Refer to the figures below in order to identify the component that might have caused the burning according to the position of the burned area.

The circuit board shown below is the version with the greatest number of components: other boards may not feature all these components (relay K4 and buzzer).

Electrolux washing machine circuit control board EWM1000 component side.jpg

 

Table of alarms error codes Elektrolux washing machine platform EWM1000

Alarm Description Possible fault Action/Machine status Reset
E00 No alarm
E11 Difficulty in filling during wash phase Tap closed or water pressure insufficient; Drain hose incorrectly positioned; Water fill solenoid faulty; Leaks from pressure switch hydraulic circuit; Pressure switch faulty; Wiring faulty; Circuit board faulty. Cycle paused, door closed Start
E13 Water leakage Drain hose incorrectly positioned; Water pressure insufficient; Water fill solenoid faulty; Leaks or blockage in pressure switch hydraulic circuit; Pressure switch faulty; Circuit board faulty. Cycle paused, door closed Start
E21 Difficulties in draining Drain hose kinked/blocked/incorrectly positioned; Drain filter clogged or dirty; Drain pump faulty; Pressure switch faulty;
Wiring faulty; Circuit board faulty; Current leakage from heating element to ground.
Cycle paused Start
E23 Drain pump triac faulty Drain pump faulty; Wiring faulty; Circuit board faulty. Safety drain - Cycle stopped, door open Selector on “0”
E24 Problems with «sensing» of drain pump triac Circuit board faulty. Safety drain – Cycle stopped, door released Selector on “0”
E33 Incongruence between contact closure of anti-
boiling and 1st level of pressure switch
Pressure switch faulty; Current leakage from heating
element to ground; Heating element; Wiring faulty; Circuit
board faulty.
Safety drain - Cycle stopped, door open Selector on “0”
E35 Water overflow Water fill solenoid faulty; Leaks from pressure switch hydraulic circuit; Pressure switch faulty; Wiring faulty; Circuit board faulty. Cycle blocked, door closed. Safety drain.
Drain pump (sequence 5 min. ON - 5 min.
OFF)
Selector on “0”
E36 «sensing» circuit of anti-boiling pressure switch
faulty
Circuit board faulty. Cycle blocked, door closed Selector on “0”
E37 «sensing» circuit of 1st level faulty Circuit board faulty. Cycle blocked, door closed Selector on “0”
E39 HV «sensing» circuit of anti-flooding pressure
switch faulty
Circuit board faulty. Cycle blocked, door closed Selector on “0”
E41 Door open Door safety interlock faulty; Wiring faulty;
Circuit board faulty.
Cycle paused Start
E42 Problems with aperture of door Door safety interlock faulty; Wiring faulty;
Circuit board faulty
Cycle paused Start or Selector
on “0”
E43 Power triac on door interlock faulty Door safety interlock faulty; Wiring faulty;
Circuit board faulty.
Safety drain, door released Selector on “0”
E44 Door interlock «sensing» faulty Circuit board faulty. Safety drain, door released Selector on “0”
E45 «sensing» on door interlock triac faulty Circuit board faulty. Safety drain, door released Selector on “0”
E51 Motor power triac short-circuited Circuit board faulty;
Current leakage from motor or wiring.
Cycle blocked, door closed (after 5 attempts in diagnostics or immediate during selection) Selector on “0”
E52 No signal from motor tachimetric generator Motor faulty; Wiring faulty;
Circuit board faulty.
Cycle blocked, door closed (after 5 attempts in diagnostics or immediate during selection) Selector on “0”
E53 «sensing» circuit on motor triac faulty Circuit board faulty. Cycle blocked Selector on “0”
E54 Motor relay contacts sticking Circuit board faulty;
Current leakage from motor or wiring.
Cycle blocked, door closed (after 5 attempts in diagnostics or immediate during selection) Selector on “0”
E61 Insufficient heating during washing NTC sensor faulty; Heating element faulty; Wiring faulty;
Circuit board faulty.
Heating phase skipped ---
E62 Overheating during washing NTC sensor faulty; Heating element faulty; Wiring faulty;
Circuit board faulty.
Safety drain (with cooling water fill) - Stop with door open Selector on “0”
E66 Power relay for heating element faulty Circuit board faulty; Current leakage from heating element
or wiring to ground.
Safety drain (with cooling water fill) - Stop with door open Selector on “0”
E71 NTC washing sensor faulty NTC sensor faulty; Wiring faulty;
Circuit board faulty.
Heating phase skipped ---
E82 Error in reset position of selector Circuit board faulty. Cycle cancelled Selector on “0”
E83 Error in reading selector position Configuration data incorrect; Circuit board faulty. During the cycle continues normally, switches off completely during selection ---
E93 Incorrect machine configuration Configuration data incorrect; Circuit board faulty. Appliance blocked Selector on “0”
E94 Incorrect washing cycle configuration Configuration data incorrect; Circuit board faulty. Appliance blocked Selector on “0”
E95 Communications error between microprocessor
and EEPROM
Circuit board faulty. Appliance blocked Selector on “0”
E96 Incongruence between hardware version and
configuration.
Configuration data incorrect; Circuit board faulty. Appliance blocked Selector on “0”
E97 Incongruence between programme selector and
cycle configuration
Configuration data incorrect; Circuit board faulty. Appliance blocked Selector on “0”
EB1 Power supply frequency of appliance incorrect Mains power supply problems (incorrect / interference); Circuit board faulty. Cycle blocked until normal power supply
conditions are restored
Selector on “0”
EB2 Voltage too high Mains power supply problems (incorrect / interference); Circuit board faulty. Cycle blocked until normal power supply
conditions are restored
Selector on “0”
EB3 Voltage too low Mains power supply problems (incorrect / interference); Circuit board faulty. Cycle blocked until normal power supply
conditions are restored
Selector on “0”

Notes concerning certain alarm codes
 

  • Configuration alarms E93-E96: If these alarms are generated (when the appliance is switched on), operation of the appliance is blocked and all the LEDs light. The diagnostics procedure cannot be accessed; the only option is to switch the appliance OFF (by turning the selector to position “0”).
     
  • Configuration alarm E94: For this alarm code, only the family for alarm “9” is displayed; the diagnostics procedure cannot be accessed, and the “rapid alarm display” function cannot be used.
     
  • Alarms EB1-EB2-EB3: In the event of problems with the mains power supply, the appliance remains in alarm mode until the mains frequency or voltage are restored to the correct value or the appliance is switched off (by turning the programme selector to “0”). The family of alarm “B” is displayed; the diagnostics procedure cannot be accessed, and the “rapid alarm display” function cannot be used. The complete alarm code can be read only when the abnormal situation has ceased.
     
  • Alarms E51- E52: During the diagnostics test, all the alarms are displayed. Normally, when the programme selector is turned from one test phase to another, the appliance exits the alarm condition and performs the phase selected. This does not take place in the case of alarms E51 (power triac on motor short-circuited) and E52 (no signal from the tachymetric generator on the motor): in these cases, the only option to exit the alarm condition is to switch the appliance OFF by turning the selector to position “0” (reset).

 

PNC_ELC

Platform

Pub

Model

BrandName

ProdDate

91490140200

EWM1000

599373488

ELU EWF 1090 SU-UKR-

Electrolux

20051014

91479114500

EWM1000

599355435

EW1030F

Electrolux

20021115

91479114501

EWM1000

599382166

EW1030F

Electrolux

20060526

91479137600

EWM1000

599382186

EW1030F

Electrolux

20060526

91478070500

EWM1000

599356053

EW1050F

Electrolux

20021220

91479114600

EWM1000

599355436

EW1230F

Electrolux

20021115

91479115300

EWM1000

599356649

EW1400 ANTARTIDE

Electrolux

20021102

91479114700

EWM1000

599355437

EW1430F

Electrolux

20021115

91479115700

EWM1000

599358276

EW770F

Electrolux

20030418

91478073400

EWM1000

599365939

EW880F

Electrolux

20040827

91479250500

EWM1000

599358285

EW880F

Electrolux

20030418

91479252400

EWM1000

599362773

EW880F

Electrolux

20040213

91479270700

EWM1000

599360774

EW880F

Electrolux

20031003

91479271000

EWM1000

599363448

EW880F

Electrolux

20040319

91421103700

EWM1000

599366494

EWF1005

Electrolux

20040924

91421103702

EWM1000

599371699

EWF1005

Electrolux

20050708

91421110100

EWM1000

599375793

EWF1005

Electrolux

20060217

91421110101

EWM1000

599381779

EWF1005

Electrolux

20060512

91421110102

EWM1000

599381784

EWF1005

Electrolux

20060526

91421110103

EWM1000

599700110

EWF1005

Electrolux

20070504

91478090900

EWM1000

599371247

EWF1005

Electrolux

20050617

91478091800

EWM1000

599374535

EWF1005

Electrolux

20060106

91479118900

EWM1000

599360399

EWF1010

Electrolux

20030829

91479251700

EWM1000

599360049

EWF1010

Electrolux

20030718

91479253200

EWM1000

599374887

EWF1010

Electrolux

20060113

91479253201

EWM1000

599379114

EWF1010

Electrolux

20060505

91478076300

EWM1000

599370977

EWF1020

Electrolux

20050527

91478076301

EWM1000

599383915

EWF1020

Electrolux

20051223

91478078400

EWM1000

599374520

EWF1020

Electrolux

20060106

91478077000

EWM1000

599371414

EWF1028

Electrolux

20050617

91478077001

EWM1000

599383917

EWF1028

Electrolux

20051230

91478082400

EWM1000

599376409

EWF1028

Electrolux

20060303

91478081900

EWM1000

599380634

EWF1029

Electrolux

20060526

91479115900

EWM1000

599359276

EWF1029

Electrolux

20030606

91479115901

EWM1000

599383798

EWF1029

Electrolux

20051223

91479121100

EWM1000

599362011

EWF1029

Electrolux

20031205

91479132700

EWM1000

599382224

EWF1029

Electrolux

20060825

91478077400

EWM1000

599371515

EWF1030

Electrolux

20050624

91478077401

EWM1000

599380799

EWF1030

Electrolux

20060526

91478082300

EWM1000

599376407

EWF1030

Electrolux

20060303

91479121200

EWM1000

599362764

EWF1030

Electrolux

20040213

91421104100

EWM1000

599367358

EWF1060

Electrolux

20041112

91421104101

EWM1000

599380805

EWF1060

Electrolux

20060324

91421104102

EWM1000

599371706

EWF1060

Electrolux

20050708

91421110000

EWM1000

599375791

EWF1060

Electrolux

20060217

91421110001

EWM1000

599381767

EWF1060

Electrolux

20060512

91421110002

EWM1000

599381768

EWF1060

Electrolux

20060526

91478091000

EWM1000

599371248

EWF1060

Electrolux

20050617

91478091900

EWM1000

599374536

EWF1060

Electrolux

20060106

91452401801

EWM1000

599387263

EWF1090

Electrolux

20070323

91490140300

EWM1000

599380283

EWF1090

Electrolux

20060616

91490140301

EWM1000

599701681

EWF1090

Electrolux

20070205

91484181501

EWM1000

599386254

EWF1096

Electrolux

20070223

91479120100

EWM1000

599361648

EWF1210

Electrolux

20031128

91479251800

EWM1000

599360050

EWF1210

Electrolux

20030718

91479126200

EWM1000

599371658

EWF1215

Electrolux

20050701

91479126201

EWM1000

599383939

EWF1215

Electrolux

20051223

91478076400

EWM1000

599370534

EWF1220

Electrolux

20050506

91478078500

EWM1000

599374522

EWF1220

Electrolux

20060106

91478078501

EWM1000

599379025

EWF1220

Electrolux

20060505

91479126700

EWM1000

599368293

EWF1230

Electrolux

20050128

91479126701

EWM1000

599384014

EWF1230

Electrolux

20051223

91479139200

EWM1000

599376411

EWF1230

Electrolux

20060303

91479119600

EWM1000

599360762

EWF1232

Electrolux

20031003

91479119601

EWM1000

599362463

EWF1232

Electrolux

20040206

91479119602

EWM1000

599383885

EWF1232

Electrolux

20051223

91479119700

EWM1000

599360766

EWF1235

Electrolux

20031003

91479119701

EWM1000

599362009

EWF1235

Electrolux

20031205

91479119702

EWM1000

599382207

EWF1235

Electrolux

20051212

91479137700

EWM1000

599379663

EWF1235

Electrolux

20060526

91479140600

EWM1000

599376413

EWF1412

Electrolux

20060303

91451701100

EWM1000

599361370

EWF1425

Electrolux

20031031

91452431700

EWM1000

599383930

EWF1870

Electrolux

20061027

91479121500

EWM1000

599362584

EWF630

Electrolux

20040206

91479125000

EWM1000

599370042

EWF668

Electrolux

20050415

91479133800

EWM1000

599704962

EWF668

Electrolux

20071214

91484110000

EWM1000

599383641

EWF695

Electrolux

20061013

91479128500

EWM1000

599369494

EWF735

Electrolux

20050318

91428105300

EWM1000

599366740

EWF805

Electrolux

20041001

91428105301

EWM1000

599371866

EWF805

Electrolux

20050708

91428110000

EWM1000

599381289

EWF805

Electrolux

20060505

91428110001

EWM1000

599384118

EWF805

Electrolux

20060512

91428110002

EWM1000

599381567

EWF805

Electrolux

20060526

91478090800

EWM1000

599371246

EWF805

Electrolux

20050610

91478091700

EWM1000

599374534

EWF805

Electrolux

20060106

91479118800

EWM1000

599360398

EWF810

Electrolux

20030829

91479118801

EWM1000

599383809

EWF810

Electrolux

20051223

91478076200

EWM1000

599370533

EWF820

Electrolux

20050506

91478078300

EWM1000

599380577

EWF820

Electrolux

20060623

91479121600

EWM1000

599362585

EWF830

Electrolux

20040206

91428510500

EWM1000

599374210

EWF831

Electrolux

20051202

91428510501

EWM1000

599384139

EWF831

Electrolux

20060330

91428520601

EWM1000

599378217

EWF831

Electrolux

20060217

91428520602

EWM1000

599382301

EWF831

Electrolux

20060526

91428520603

EWM1000

599384813

EWF831

Electrolux

20061201

91484181601

EWM1000

599386252

EWF896

Electrolux

20070223

91421104000

EWM1000

599367351

FA1026HDRO

Electrolux

20041112

91490100200

EWM1000

599380175

FO950

Electrolux

20060616

 

 

 

     
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1. PURPOSE OF THIS SERVICE MANUAL

The purpose of this Service Manual is to provide Service Engineers, who already have the basic knowledge necessary to repair household washing machines, with information of a general nature regarding the HEC range of washing machines.

More detailed information regarding specific models may be found in the Service Notes and Service

Manuals (issued separately) for each specific model or functionality.

This information covers:

  • Circuit diagrams

  • Exploded views of spare parts

  • Spare parts lists

  • Functions and diagnostics

2. IMPORTANT NOTES

  • Repairs to electrical appliances must be effected only by qualified personnel.

  • Before accessing the components inside the appliance, always remove the plug from the power socket.

  • Where possible, ohmic measurements should be effected rather than direct measurement of voltage and current.

  • Certain metal components inside the appliance may have sharp edges. Care should be taken to avoid cuts or abrasions.

  • Before laying the appliance on the floor, always drain any water by means of the system placed beside the drain filter.

  • Never lay the appliance on its right side (i.e. electronic control unit side); this would cause the water in the detergent dispenser to fall onto electrical components, thus damaging them.

  • After repairing the appliance, always perform the final tests.
3. CAUTION:
  • Before servicing receivers covered by this service manual and its supplements and addenda, read and follow the SAFETY PRECAUTIONS of this publication. Remember: Safety First.
  • General Guidance An isolation Transformer should always be used during the servicing of a receiver whose chassis is not isolated from the AC power line.
  • Use a transformer of adequate power rating as this protects the technician from accidents resulting in personal injury from electrical shocks. It will also protect the receiver and it's components from being damaged by accidental shorts of the circuitry that may be inadvertently introduced during the service operation.

 

 

 

 

 
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