Electrolux EWM21xx EWM25xx Washing Machines & Washer-Dryers Service Manual (EN)

SERVICE MANUAL WASHING Washing machines & Washer-dryers with electronic control system EWM21xx EWM25xx Technical and functional characteristics ENV06 AEG Styling SERIES 6 / 7 © ELECTROLUX HOME PRODUCTS ITALY S.p.A. Spares Operations Italy Publication no. Corso Lino Zanussi, 30 I - 33080 PORCIA /PN 599 70 39-88 Fax +39 0434 394096 EN Edition: 2007-08-11

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SOI/DT 2007-11 dmm 2/69 599 70 39-88

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CONTENTS 1 Purpose of this manual ....................................................................................................................................5 2 PRECAUTIONS ...............................................................................................................................................5 3 SERIES 6.........................................................................................................................................................6 3.1 GENERAL CHARACTERISTICS..............................................................................................................6 3.1.1 General characteristics WM ..............................................................................................................6 3.1.2 General characteristics WD...............................................................................................................7 3.2 CONTROL PANEL ...................................................................................................................................8 3.2.1 Styling SERIES 6...............................................................................................................................8 3.2.2 Configuration of control panel ...........................................................................................................9 3.2.3 Programme selector (S1) ..................................................................................................................9 3.2.4 Programme configuration ..................................................................................................................9 3.2.5 Pushbuttons – LEDs and LCD ........................................................................................................10 4 SERIES 7.......................................................................................................................................................13 4.1 GENERAL CHARACTERISTICS............................................................................................................13 4.1.1 General Characteristics WM............................................................................................................13 4.1.2 General Characteristics WD............................................................................................................14 4.2 CONTROL PANEL .................................................................................................................................15 4.2.1 Styling SERIES 7.............................................................................................................................15 4.2.2 Configuration of control panel .........................................................................................................16 4.2.3 Programme selector (S1) ................................................................................................................16 4.2.4 Pushbuttons and LCD SERIES 7 Special .......................................................................................17 4.2.5 Pushbuttons and LCD Version WD Series 7...................................................................................22 4.2.6 DEMO MODE SETTING .................................................................................................................24 4.3 Exiting DEMO mode ...............................................................................................................................24 5 DIAGNOSTICS SYSTEM ..............................................................................................................................24 5.1 Access to diagnostics mode ...................................................................................................................24 5.2 Exiting diagnostics mode........................................................................................................................24 5.3 Diagnostics phases.................................................................................................................................25 6 ALARMS ........................................................................................................................................................27 6.1 Displaying the alarms to the user ...........................................................................................................27 6.2 Reading the alarm codes........................................................................................................................27 6.2.1 Displaying the alarm........................................................................................................................28 6.2.2 Examples of alarm display...............................................................................................................28 6.2.3 Operation of alarms during diagnostics...........................................................................................28 6.3 Rapid reading of alarm codes.................................................................................................................29 6.4 Cancelling the last alarm ........................................................................................................................29 7 OPERATING TIME COUNTER .....................................................................................................................30 7.1.1 Reading of operating time ...............................................................................................................30 7.1.2 Display of total operating time with LEDs........................................................................................30 8 WASHING PROGRAMMES AND OPTIONS WM.........................................................................................31 8.1 Options (for appliances EWM 21xx with universal motor)......................................................................31 8.2 Options (for appliances EWM 25xx with asynchronous motor and inverter)..........................................32 9 DRYING PROGRAMMES AND WD OPTIONS.............................................................................................34 9.1 EWM21xx & 25xx ...................................................................................................................................34 9.2 Description of options .............................................................................................................................36 10 TECHNICAL CHARACTERISTICS............................................................................................................38 10.1 Control system memory ......................................................................................................................38 10.1.1 General structure of the memory system ........................................................................................38 10.1.2 FLASH .............................................................................................................................................38 10.1.3 RAM.................................................................................................................................................39 10.2 Door interlock ......................................................................................................................................40 10.2.1 Voltmetric interlock with PTC...........................................................................................................40 10.2.1.1 Operating principle ...................................................................................................................40 10.2.2 Instantaneous door interlock ...........................................................................................................41 10.2.2.1 Operating principle ...................................................................................................................41 10.2.2.2 Conditions required for opening the door.................................................................................41 10.2.2.3 Automatic unlock......................................................................................................................41 10.3 Water fill system..................................................................................................................................42 10.3.1 Flow meter.......................................................................................................................................42 10.3.2 Operating principle of flow meter.....................................................................................................43 10.4 Analogue pressure switch of water level control in the tub.................................................................44 10.5 11.5 Drain pump..................................................................................................................................44 10.5 11.5 Drain pump..................................................................................................................................45 10.6 Recirculation pump (if featured)..........................................................................................................45 SOI/DT 2007-11 dmm 3/69 599 70 39-88

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10.7 Heating................................................................................................................................................46 10.8 Temperature sensor............................................................................................................................46 10.9 Universal motor (EWM 21xx) ..............................................................................................................47 10.9.1 Power supply to motor.....................................................................................................................47 10.10 Three-phase asynchronous motor (EWM25xx) ..................................................................................47 10.10.1 Power supply to motor .................................................................................................................47 10.11 Anti-foam control system.....................................................................................................................48 10.12 “FUCS” (Fast Unbalance Control System)..........................................................................................49 11 DRYING CIRCUIT......................................................................................................................................51 11.1 Temperature control............................................................................................................................52 Calculating the drying time:............................................................................................................................52 11.2 Table of alarm codes...........................................................................................................................53 11.3 Diagram WM with UNIVERSAL MOTOR EWM 21xx .........................................................................57 11.4 Diagram WM with THREE-PHASE ASYNCHRONOUS MOTOR EWM 25xx....................................59 11.5 Diagram WD with UNIVERSAL MOTOR EWM 21xx..........................................................................61 11.6 Diagram WD with THREE-PHASE ASYNCHRONOUS MOTOR EWM 25xx ....................................63 12 ACCESSIBILITY TO THE ELECTRONIC CONTROL SYSTEM ...............................................................65 12.1 WM Version.........................................................................................................................................65 12.1.1 Work top ..........................................................................................................................................65 12.1.2 Control panel ...................................................................................................................................65 12.2 WD VERSION .....................................................................................................................................67 12.2.1 Work top ..........................................................................................................................................67 12.2.2 Control panel ...................................................................................................................................67 SOI/DT 2007-11 dmm 4/69 599 70 39-88

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