Electrolux ENV06 Service Manual
Electrolux ENV06 Service Manual

Electrolux ENV06 Service Manual

Ventilated, with electronic control
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SERVICE MANUAL

TUMBLE DRYER

Ventilated tumble dryer
with electronic control
©ELECTROLUX Italia S.p.A.
Publication No
Corso Lino Zanussi, 30
I - 33080 Porcia / PN (Italy)
599 72 63-27
ENV06
Fax: + 39 0434 394096
EN
Edition: 01 / 2010

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Summary of Contents for Electrolux ENV06

  • Page 1: Tumble Dryer

    SERVICE MANUAL TUMBLE DRYER Ventilated tumble dryer with electronic control ©ELECTROLUX Italia S.p.A. Publication No Corso Lino Zanussi, 30 I - 33080 Porcia / PN (Italy) 599 72 63-27 ENV06 Fax: + 39 0434 394096 Edition: 01 / 2010...
  • Page 2 ADL 2010 / 01 2/57 599 72 63-27...
  • Page 3: Table Of Contents

    TABLE OF CONTENTS PURPOSE OF THIS MANUAL ........................5     WARNINGS ............................... 5     Installation ............................5     GENERAL CHARACTERISTICS....................... 6     Circuit boards ............................6     CONTROL PANEL............................. 7     Programme selector ..........................8  ...
  • Page 4 13.1 Door..............................40     13.2 Door fastening latch ........................... 40     13.3 Door lock ............................41     13.3.1 AEG model door lock........................41     13.3.2 EMZ model door lock with fitted microswitch................41     13.4 Door microswitch latch (certain models only)..................
  • Page 5: Purpose Of This Manual

    1 PURPOSE OF THIS MANUAL The purpose of this manual is to provide technicians (who already have the basic skills required to carry out repairs on tumble dryers) with technical information on this condensation tumble dryer with electronic control. The electronic control is made up of a main circuit board with integrated selector - certain models have an LCD display.
  • Page 6: General Characteristics

    3 GENERAL CHARACTERISTICS Height: 85 cm Dimensions of appliance Width: 60 cm Depth: 58 cm Volts: 220-240 Supply voltage 50/60 No. buttons Depends on model No. LEDs Depends on model Type of display * Buzzer buzzer integrated in the circuit board Serial port DAAS-EAP communication protocol up to 230400 baud Programme selector...
  • Page 7: Control Panel

    4 CONTROL PANEL The shape of the control panel varies according to the number of buttons and LEDs used. Smart styling panel TC6 styling panel TC3 styling panel no LCD TC3 styling panel with LCD ADL 2010 / 01 7/57 599 72 63-27...
  • Page 8: Programme Selector

    4.1 Programme selector The 15 / 21 / 25 position selector dial (with integrated ON/OFF switch) forms an integral part of the board. The symbols represent the various drying options for the various fabric types. COTTON, SYNTHETIC, SILK, WOOL and TIMER. All positions can be configured, according to the mode 4.2 Buttons 1.
  • Page 9: Delicate Programme

    4.4 Delicate programme When this button is pressed only one branch of the heating element is turned on, so that drying takes place at a lower temperature that is ideal for delicate garments. The corresponding indicator light turns on. ADL 2010 / 01 9/57 599 72 63-27...
  • Page 10: Cotton And Synthetics Cycles (On Certain Models Only)

    4.5 Cotton and synthetics cycles (on certain models only) Press this button to select the fabric type placed in the tumble dryer. When the option cotton fabric is selected, the relevant LED lights up and the clothes are dried at a constant temperature just under the maximum temperature.
  • Page 11: Enabling And Disabling The Buzzer

    4.7 Enabling and disabling the buzzer At the end of the drying cycle or if an alarm is triggered the buzzer will sound intermittently. When the ALARM button is pressed, the corresponding indicator light goes out and the buzzer is deactivated in the following cases: •...
  • Page 12: Delay Start

    4.9 Delay start The delay start button can be used to delay the start of the programme from 30 minutes (30') to a maximum of 20 hours (20h) in models with LCD, and to delay the start of the programme from 3 to 9 hours in models without an LCD.
  • Page 13: Start / Pause Button

    4.11 START / PAUSE button After the START / PAUSE button has been pressed, the programme will start. On models with LCD the drying, anti-crease and cooling phases are indicated from left to right, and in models without LCD the LEDs light up from the top downwards. On some models without LCD only the drying phase and the end of cycle are shown.
  • Page 14: Adjusting Conductivity (On Certain Models Only)

    4.12 Adjusting conductivity (on certain models only) The "conductivity" of the water used for washing varies from area to area: the conductivity sensor is set to a standard value; significant variations in conductivity level may have a negative effect on the final results of drying (washing that is too dry or still damp).
  • Page 15: Indications Displayed

    4.12.2 Indications displayed Display / LED Condictivity level Approximate value (µS/ DISPLAY < 300 DISPLAY MEDIUM 300 – 600 DISPLAY HIGH > 600 The normal factory setting is medium level, but some models may have a different configuration. Ask your local water board for details of the conductivity level of your water supply. ADL 2010 / 01 15/57 599 72 63-27...
  • Page 16: End Of Cycle

    4.13 End of cycle Once the drying cycle has ended, on machines with LCD the value " 0 " and the clean filter LED will flash. In models not fitted with an LCD the end of cycle is indicated by the fact that the END led and the FILTER led start to flash.
  • Page 17: How To Operate The Appliance

    5 How to operate the appliance When the selector is moved from the OFF position to a drying programme, the LEDs for the drying phases light up and the START/PAUSE led flashes. The various options can be selected during this phase and the relevant LED will light up. In models with an LCD the time remaining until the end of the drying cycle is displayed, the first figure indicates the hours, the second and the third indicate the minutes.
  • Page 18: Opening The Door

    5.3 Opening the door If the door is opened the electronic circuit sets the tumble dryer to pause mode and the Start/Pause button LED lights up. No changes of option are allowed. The following table shows the state of a tumble dryer with the OPEN DOOR option, before and after pressing the option button.
  • Page 19: Operating Characteristics And Construction

    OPERATING CHARACTERISTICS AND CONSTRUCTION 6.1 Operating principle FIG 1 Fig 2 1. Heating unit 2. Drum 3. Door 4. Fluff filter 5. Fan 6. Drum rotation motor and fan 7. Vapour outlet Hot air Cold air This type of appliance expels damp air into the environment. The air from the room enters the appliance through the slots at the rear of the unit fig.
  • Page 20: Construction

    6.2 Construction 1. Worktop 2. Support for controls 3. Control panel 4. Fluff filter 5. Door 6. Back panel cover 7. Back panel cover guard 8. Back panel 9. Crossbar 10. Sides 11. Conduit 12. Front 13. Base The front and sides are made of painted sheet metal, whereas the back is in zinc- coated sheet metal.
  • Page 21: Air Seals And Drum Pin Support

    6.4 Air seals and drum pin support Rear air seal Front drum support and air seal 1. Rear gasket (fixed to the back panel) 9. Drum 2. Drum 10. Felt washer with tubular 3. Back panel support 11. Conduit Rear drum support Bottom drum support 4.
  • Page 22: Electrical Components

    7 ELECTRICAL COMPONENTS 7.1 Electronic control 1. LCD 2. Board support with board inside. 3. START/PAUSE button light diffuser. 4. Function light diffuser. 5. Button springs / support. 6. Selector pin. 7. Delay start button. 8. START/PAUSE button. 9. Function buttons. 7.1.1 Main circuit board functions A Main circuit board...
  • Page 23: Electronic Control Memories: General Structure

    7.1.2 Electronic control memories: general structure A Asynchronous external serial port B Synchronous internal serial port C EPROM external to the μP e Power fail and machine status Board configuration g Description of cycle This area of the memory contains the "firmware" code comprising the appliance functions: management of electrical loads (motor, heating unit);...
  • Page 24 ADL 2010 / 01 24/57 599 72 63-27...
  • Page 25: Conductivity Sensor

    7.2 Conductivity sensor These electronics use a conductivity sensor, comprising an electronic circuit (located inside the main circuit board) and a part outside the board comprising wiring cables, two brushes (contact sensors for the drum half-casings) and the two half-casings themselves. The brush in contact with the front half-casing (2) is fixed in a swinging support to the conduit, and is wired to the circuit board;...
  • Page 26: Heating Unit

    7.4 Heating unit The heating unit is made up of two heating elements with different powers, inserted in ceramic supports and the whole surrounded by a sheet metal casing. Two normally closed safety thermostats are fixed to one side of the container: TH1 with automatic reset (2) which triggers at a temperature of 92°±3°C and cuts the power supply to the two heating elements, thermostat TH2 (3) triggers at 125°C and, after opening the contact, it remains in this state and cuts the...
  • Page 27: Motor Unit

    7.6 MOTOR UNIT 1. Fan 2. Motor 3. Belt tensioner It is possible to get an idea of the efficiency of the motor by measuring the resistance of the coils: PIN 1-3 PIN 2-3 Resistance 22 Ω / 26.2 Ω ±...
  • Page 28: Door Lock With Door Microswitch Incorporated

    7.7 Door lock with door microswitch incorporated The door lock is an electromechanical device that powers electrical loads after the door has been closed and the programme selector has been turned (ON/OFF closed). It is fitted with a child safety device which, in case of need, allows the door to be opened by pushing from the inside.
  • Page 29: Door Lock Without Door Microswitch Incorporated

    7.8 Door lock without door microswitch incorporated Dependent on the version, the door lock may be mechanical with manual door opening or electronic with the door opening when a button is pressed. In the second case the door is opened by an electromagnetic coil which releases the fastening latch by means of a lever.
  • Page 30: Wiring Diagrams

    8 WIRING DIAGRAMS 8.1 Wiring diagram for tumble dryers with conductivity sensor ADL 2010 / 01 30/57 599 72 63-27...
  • Page 31: Wiring Diagram For Tumble Dryers With Temperature Probe

    8.2 Wiring diagram for tumble dryers with temperature probe. ADL 2010 / 01 31/57 599 72 63-27...
  • Page 32: Diagnostic System

    9 DIAGNOSTIC SYSTEM This mode allows to check appliance operations and to read alarms. 9.1 Accessing diagnostics 1. The appliance must be turned off. 2. Turn the appliance on, turning the programme selector by one position in a clockwise direction. 3.
  • Page 33: Diagnostic Test Phases

    9.3 Diagnostic test phases After activating the diagnostic system: in the first position it performs a function test of buttons and relevant LEDs. When the programme selector is turned in a clockwise direction,operation of the various components is diagnosed and the alarms are read. WARNING! The alarms are active during diagnostic testing of components.
  • Page 34 Selector Working Components activated Function tested position conditions All LEDs and Digits will turn on in sequence. When you press a button, the corresponding LED Always active User interface functions lights up and the Buzzer sounds. POSITION NOT USED Door closed Motor TRIAC and relay.
  • Page 35: Alarms

    10 ALARMS 10.1 Displaying user alarms Alarm management can be configured so that they can be partially or totally visible to the user, depending on the model. Normally, all alarms except E61, E97 and EH2 are visible to the user. When an alarm occurs, the drying cycle may be stopped or paused;...
  • Page 36: Deleting The Last Alarm

    10.5 Deleting the last alarm It is good practice to delete the alarm recorded: • after you have read it, to check whether or not it occurs again during diagnostic tests; • after repairing the appliance, to check whether or not it occurs again during testing. 1.
  • Page 37: Alarm Summary Table

    11 Alarm Summary Table Reset Alarm Description Possible fault Machine status/action command No alarm. Conductivity sensor signal frequency too high. Main circuit board faulty Alarm only active in diagnosis mode. Faulty wiring. Conductivity sensor signal frequency too low. Brushes worn/faulty. Cycle blocked Main circuit board faulty.
  • Page 38 Heating unit faulty. Heating unit power relay faulty. Faulty wiring. Forced cooling cycle Main circuit board faulty. Turn the power supply to the heating unit off. Thermostat faulty (replace heating unit). If the problem ceases, the alarm will be Heating unit faulty. stored and the cycle will continue.
  • Page 39: Cannot Access The Diagnostics Programme

    12 CANNOT ACCESS THE DIAGNOSTICS PROGRAMME Change/Reconnect the power cord Are the power cord and connections and run the diagnostics programme. functioning? Is the anti-disturbance filter that is Change the junction box with anti- integrated into the junction box disturbance filter and run the functioning correctly? diagnostics programme.
  • Page 40: Access To Components

    13 ACCESS TO COMPONENTS Individual components must only be accessed after the power cable has been disconnected from the socket. 13.1 Door Unfasten the 2 screws fixing the door to the front. 13.2 Door fastening latch There are two types of latches, depending on the AEG latch EMZ latch type of door lock fitted on the machine:...
  • Page 41: Door Lock

    13.3 Door lock 13.3.1 AEG model door lock 1. Unfasten the screw that fixes it in place. 2. Lower it slightly and extract it, turning it forwards. 13.3.2 EMZ model door lock with fitted microswitch 1. Remove the left hand side panel (see paragraph).
  • Page 42: Door Microswitch Latch (Certain Models Only)

    13.4 Door microswitch latch (certain models only) With a screwdriver, press on the locking hook and turn it in the direction indicated by the arrow. 13.5 Door microswitch (certain models only) 1. Unfasten the fixing screw. 2. Extract it slightly and move it to the left until it reaches the connector.
  • Page 43: Fluff Filter

    13.6 Fluff filter 1. Open the door. 2. Remove the filter upwards. 3. Press the clip that holds it shut, open it and clean it after each cycle. If obvious traces of dust or fluff remain, wash it under running water.
  • Page 44: Worktop

    13.8 Worktop 1. Unfasten the two screws fixing the worktop. 2. Pull it in the direction indicated by the arrow and lift it up. 13.9 Control panel 1. Unfasten the 4 screws fixing the control panel and crossbar to the frame. 2.
  • Page 45: Main Circuit Board

    13.10 Main circuit board 13.10.1 Removing the board 1. Unfasten the 5 screws fixing the board assembly to the control panel. 2. Use a screwdriver to lever off the fixing clips without straining them too much, and remove the entire board assembly. 13.10.2 Removing the selector pin The selector pin can be removed after removing the main circuit board.
  • Page 46: Back Panel Cover

    13.11 Back panel cover 1. Remove the worktop (see paragraph). 2. Unfasten the three screws (1) fixing the back panel guard (made of plastic) at the centre. 3. Use a screwdriver to release the hooks that fasten it on the outside. (2) 4.
  • Page 47: Heating Unit

    13.12 Heating unit 1. Remove the worktop (see paragraph). 2. Remove the plastic back panel guard and the back panel (see paragraph). 3. Disconnect wires from cable clamps. 4. Disconnect the connector. 5. Unfasten the screw fixing the heating unit to the back panel, and remove it.
  • Page 48: Sides

    13.14 Sides 1. Remove the worktop (see paragraph). 2. Use a screwdriver to remove the fastening clips. 3. Remove the internal screws. 4. Remove the air outlet plugs and unfasten the fixing screw. 5. Unfasten the rear fixing screws. 6. After removing all the screws, lift the panels slightly upwards and remove them.
  • Page 49: Ntc Probe

    13.15 NTC probe 1. Remove the probe towards the inside of the machine. 2. Move the connector fastening clip slightly, and remove the connector. 13.16 Running capacitor 1. Disconnect the connectors. 2. Move the fastening hook and remove it by pulling upwards.
  • Page 50: Motor/Fan Assembly

    13.17 Motor/fan assembly 1. Remove the worktop (see paragraph). 2. Remove the right hand side panel (see paragraph). 3. Unhook the suspension spring. 4. Remove the belt from the pulley. 5. Disconnect the wiring connector from the junction box and from the capacitor. 6.
  • Page 51: Rear Brush (Only On Models With Conductivity Sensor)

    13.18 Rear brush (only on models with conductivity sensor) 1. Unfasten the screw fixing the drum pin guard. 2. Turn the guard anticlockwise until the lower fixing clip is free. 3. The brush is housed inside the drum pin guard. 13.19 Front brush (only on models with conductivity sensor) 1.
  • Page 52: Back Panel

    13.20 Back panel 1. Remove the worktop (see paragraph). 2. Remove the sides (see paragraph). 3. Unhook the tensioning spring. 4. In models with conductivity sensor, unfasten the screw fixing the rear brush unit. In models with temperature probes, unfasten the screw fixing the pin guard.
  • Page 53: Belt

    13.21 Belt 1. Remove the worktop (see paragraph). 2. Remove the sides (see paragraph). 3. Remove the belt tensioning spring. 4. Remove the back panel (see paragraph). 5. Take out the belt. 13.22 Drum 1. Remove the worktop (see paragraph). 2.
  • Page 54: Rear Air Seal

    13.24 Rear air seal 1. Remove the worktop (see paragraph). 2. Remove the sides (see paragraph). 3. Remove the belt tensioning spring. 4. Remove the back panel (see paragraph). 5. Open the air seal fixing hooks slightly and take the seal out. When fitting the new seal, take care to ensure that the seam is located in the lower part of the ring.
  • Page 55: Reversing The Door

    14 REVERSING THE DOOR 1. Unfasten the screws fixing the hinges to the unit (1), remove the door. 2. Unfasten the screws fixing the hinge covers (2) and fix them where the door hinges used to be (1). 3. Remove the worktop. 4.
  • Page 56 14. Insert the door lock connector and fasten it to the front with the screws (5), making sure that the wires are not crushed between the door lock and the front. 15. Check that the wires are properly inside all the hooks from which the door lock wires have been extracted.
  • Page 57: Final Testing Of Door Fastening

    15 Final testing of door fastening To check whether door fastening complies with safety regulations after the door has been reversed, proceed as follows: prepare a loop (1) (of string, thread, etc.), position it around the latch, close the door. Check the door opening safety load as follows: fasten a dynamometer to the loop (2), then pull the instrument perpendicular to the surface of...

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