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Privileg  washing machine circuit diagram EWM1000 platform

Washing machine circuit diagram

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

 

 

 

In case of burning on the main circuit board, 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).

 

Table of alarms error codes 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

91478076000

EWM1000

599368272

004541_20332

Privileg

20050121

91478081201

EWM1000

599383637

004541_20556

Privileg

20061013

91479143100

EWM1000

599382448

017127_20714

Privileg

20060901

91479251300

EWM1000

599358982

017848_20169

Privileg

20030530

91479111100

EWM1000

599352634

018454_20068

Privileg

20020529

91479251400

EWM1000

599358983

060854_20170

Privileg

20030530

91479251600

EWM1000

599358984

077791_20167

Privileg

20030530

91479117800

EWM1000

599359802

092676_20203

Privileg

20030704

91479118000

EWM1000

599359804

147230_20205

Privileg

20030704

91479129400

EWM1000

599369226

175401_20350

Privileg

20050304

91479129401

EWM1000

599384033

175401_20350

Privileg

20051223

91479123900

EWM1000

599364415

204404_20267

Privileg

20040521

91479112300

EWM1000

599354477

206304_20125

Privileg

20020920

91478074100

EWM1000

599366376

210865_20294

Privileg

20040917

91478081501

EWM1000

599379091

210865_20553

Privileg

20060505

91479117500

EWM1000

599358977

212234_20163

Privileg

20030530

91479117501

EWM1000

599383883

212234_20163

Privileg

20051223

91479117502

EWM1000

599383762

212234_20163

Privileg

20050930

91479134900

EWM1000

599374470

212234_20508

Privileg

20051223

91479117200

EWM1000

599358971

220052_20162

Privileg

20030530

91479117201

EWM1000

599383813

220052_20162

Privileg

20051223

91479134600

EWM1000

599374252

220052_20162

Privileg

20051216

91479252700

EWM1000

599362061

236247_20237

Privileg

20031212

91478072300

EWM1000

599362321

238913_20256

Privileg

20040116

91478072301

EWM1000

599385040

238913_20256

Privileg

20060130

91452102000

EWM1000

599384068

239359_20731

Privileg

20061103

91452102001

EWM1000

599386569

239359_20731

Privileg

20070309

91479111200

EWM1000

599352635

266391_20060

Privileg

20020529

91479111500

EWM1000

599352737

266412_20062

Privileg

20020607

91479111700

EWM1000

599352770

266471_20064

Privileg

20020607

91479117100

EWM1000

599358968

308637_20161

Privileg

20030530

91479117101

EWM1000

599383805

308637_20161

Privileg

20051223

91479134500

EWM1000

599374435

308637_20161

Privileg

20051216

91428108300

EWM1000

599374182

323219_20428

Privileg

20051202

91428113400

EWM1000

599376974

323219_20615

Privileg

20060310

91428113401

EWM1000

599384138

323219_20615

Privileg

20060508

91452000600

EWM1000

599380875

362749_20405

Privileg

20060623

91479117700

EWM1000

599359801

452546_20202

Privileg

20030704

91479142800

EWM1000

599381611

460004_20768

Privileg

20060721

91475656600

EWM1000

599381512

477164_20981

Privileg

20060714

91479136300

EWM1000

599373377

490781_20416

Privileg

20051014

91479136301

EWM1000

599384040

490781_20416

Privileg

20051223

91479139600

EWM1000

599383830

490781_20560

Privileg

20060224

91428107701

EWM1000

599372276

494279_20394

Privileg

20050729

91428113601

EWM1000

599387956

494279_20580

Privileg

20070105

91452000500

EWM1000

599380873

497203_20404

Privileg

20060623

91478072200

EWM1000

599362320

582603_20225

Privileg

20040116

91479252800

EWM1000

599362062

601996_20234

Privileg

20031212

91478076100

EWM1000

599368273

610348_20333

Privileg

20050121

91478081301

EWM1000

599383693

610348_20557

Privileg

20061020

91479111600

EWM1000

599352766

614643_20063

Privileg

20020607

91479118100

EWM1000

599359805

637773_20206

Privileg

20030704

91479117900

EWM1000

599359803

637774_20204

Privileg

20030704

91479250100

EWM1000

599355618

651591_20118

Privileg

20021129

91479141200

EWM1000

599377070

658783_20644

Privileg

20060310

91478082800

EWM1000

599379661

706187_20679

Privileg

20060526

91478082801

EWM1000

599383694

706187_20773

Privileg

20061020

91479271700

EWM1000

599366663

708759_20296

Privileg

20041001

91479115800

EWM1000

599360157

743422_20155

Privileg

20030725

91479115800

EWM1000

599369270

743422_20155

Privileg

20050311

91479115801

EWM1000

599383802

743422_20155

Privileg

20051223

91479117400

EWM1000

599358975

746752_20165

Privileg

20030530

91479117401

EWM1000

599383881

746752_20165

Privileg

20051223

91479134800

EWM1000

599374436

746752_20510

Privileg

20051216

91479142000

EWM1000

599381012

746752_20510

Privileg

20060630

91479142500

EWM1000

599381027

751604_20710

Privileg

20060630

91479136200

EWM1000

599373376

757299_20415

Privileg

20051014

91479136201

EWM1000

599384041

757299_20415

Privileg

20051223

91479139500

EWM1000

599383838

757299_20415

Privileg

20060303

91452000400

EWM1000

599381388

783016_20406

Privileg

20060714

91421106100

EWM1000

599374184

790215_20429

Privileg

20051202

91421113201

EWM1000

599376962

790215_20616

Privileg

20060310

91421113202

EWM1000

599382055

790215_20616

Privileg

20060811

91479140200

EWM1000

599374471

795519_20455

Privileg

20051223

91478082900

EWM1000

599379662

821084_20680

Privileg

20060526

91479111400

EWM1000

599352639

829880_20065

Privileg

20020529

91479117300

EWM1000

599358972

842040_20166

Privileg

20030530

91479117301

EWM1000

599383814

842040_20166

Privileg

20051223

91479134700

EWM1000

599374433

842040_20166

Privileg

20051216

91479110900

EWM1000

599352631

865147_20066

Privileg

20020529

91452102100

EWM1000

599384071

868028_20732

Privileg

20061103

91479120600

EWM1000

599362049

873750_20235

Privileg

20031212

91479143000

EWM1000

599382446

922987_20713

Privileg

20060901

91479252600

EWM1000

599362059

927146_20236

Privileg

20031212

91479111300

EWM1000

599352636

930777_20061

Privileg

20020529

91479117600

EWM1000

599358978

932587_20164

Privileg

20030530

91479135000

EWM1000

599382307

932587_20509

Privileg

20060825

91479130200

EWM1000

599370839

933910_20376

Privileg

20050520

91479130201

EWM1000

599383944

933910_20376

Privileg

20051223

91479134400

EWM1000

599382274

933910_20507

Privileg

20060825

91478072400

EWM1000

599362322

943365_20257

Privileg

20040116

91479111000

EWM1000

599352632

945101_20067

Privileg

20020529

91479250000

EWM1000

599355617

959720_20117

Privileg

20021129

91478081000

EWM1000

599374119

969048_20434

Privileg

20051202

91478081100

EWM1000

599383783

969048_20617

Privileg

20060203

91478081101

EWM1000

599383692

969048_20771

Privileg

20061020

91421105801

EWM1000

599372275

976357_20395

Privileg

20050805

91421113501

EWM1000

599378699

976357_20581

Privileg

20060127

91421113502

EWM1000

599382075

976357_20581

Privileg

20060811

91479117000

EWM1000

599358963

993401_20168

Privileg

20030530

 

 

 

     
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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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