Electrolux EWX13611 Service Manual
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Electrolux EWX13611 Service Manual

Electrolux EWX13611 Service Manual

Front loading washing machines with electronic control system
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 ELECTROLUX HOME PRODUCTS
Customer Care - EMEA
Training and Operations Support
Technical Support
Edition: 09/2014 - Rev. 00
Z3
Publication
599 78 07-46
Front loading washing
machines with electronic
Number
EN
Technical and functional
SERVICE MANUAL
WASHING
Z6
control system
EWX13611
EWX11831
characteristics
Styling
Z3 & Z6
Washing unit
P49

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  • Page 1 SERVICE MANUAL WASHING Front loading washing   ELECTROLUX HOME PRODUCTS machines with electronic Publication control system Customer Care - EMEA Number Training and Operations Support Technical Support EWX13611 EWX11831 599 78 07-46 Technical and functional characteristics Styling Edition: 09/2014 - Rev. 00 Z3 &...
  • Page 2 2/99 Technical Support - DMM 599 78 07-46 Rev.00...

  • Page 3: Table Of Contents

    Index Purpose of this manual ............................ 6 Low consumption mode ..........................6 WARNINGS ..............................7 STYLING Z3 ..............................8 EWX13611 General characteristics ......................8 EWX11831 General characteristics ......................9 Control panel............................10 3.3.1 Display board ........................... 10 Control panel configuration ........................11 3.4.1...
  • Page 4 DIAGRAM ..............................61 12.1 Operating Circuit Diagram EWX13611 (with universal motor)............61 12.2 Key to operating circuit diagram EWX13611 (with universal motor) ..........62 12.3 Operating Circuit Diagram EWX11831 (with three-phase motor) ............63 12.4 Key to operating circuit diagram EWX11831 (with three-phase motor) ..........64 ACCESSIBILITY (appliances with universal motor) ...................
  • Page 5 13.7.4 Pressure chamber ........................... 85 13.7.5 Shock absorbers ..........................87 13.7.6 Shock absorber pin .......................... 87 13.7.7 Main drain pipe ..........................88 ACCESSIBILITY (appliances with INVERTER motor control) ..............90 14.1 Worktop ............................... 90 14.2 From the worktop, you can access ..................... 90 14.2.1 Main board ............................

  • Page 6: Purpose Of This Manual

    1 Purpose of this manual The purpose of this manual is to provide service engineers who are already familiar with the repair procedures for traditional washing machines with information regarding washing machines fitted with the EWX13611 (Z6-Z3) and EWX11831 (Z6-Z3) electronic control systems.

  • Page 7: Warnings

     Before carrying out work on the appliance, use suitable instruments to check that the power supply system in the house is fully efficient. For instance, please refer to the instructions provided/illustrated in the Electrolux Learning Gateway portal (http://electrolux.edvantage.net).  On completing operations, check that the appliance has been restored to the same state of safety as when it came off the assembly line.

  • Page 8: Styling Z3

    3 STYLING Z3 3.1 EWX13611 General characteristics The electronic control system consists of two circuit boards:  Control/display board in a plastic casing fitted to the control panel (the figure illustrates the individual board and the board assembly consisting of board, casing and diffuser).

  • Page 9: Ewx11831 General Characteristics

    3.2 EWX11831 General characteristics The electronic control system consists of three circuit boards.  Control/display board in a plastic casing fitted to the control panel (the figure illustrates the individual board and the board assembly consisting of board, casing and diffuser). ...

  • Page 10: Control Panel

    3.3 Control panel 3.3.1 Display board Positioning of LEDs and buttons 10/99 Technical Support - DMM 599 78 07-46 Rev.00...

  • Page 11: Control Panel Configuration

    3.4 Control panel configuration The wash programmes, the functions of the selector dial (where featured) and the individual buttons vary according to the model, since these are determined by the configuration of the appliance. 3.4.1 Programme selector (S1) The selector is formed by a linear potentiometer. The fifteen positions are determined by a plastic structure fixed around the potentiometer.

  • Page 12: Buttons And Leds

    3.4.3 Buttons and LEDs The functions of each button are defined by the configuration of the appliance.  Button no. 1: TEMPERATURE CONTROL this button is configurable and is related to LEDs (L1÷L5). Press it in sequence to choose the washing temperature among the values listed below: 90°C, 60°C, 40°C, 30°C, 20°C and Cold cycle.

  • Page 13: Display

     L12 Door closed: It lights up when the safety device stops the door opening and switches off when it is possible to open it. It flashes when the device is about to unlock the door (with door interlock with PTC, which needs one or two minutes to open).
  • Page 14  Buzzer The buzzer emits:  one “beep” when: selecting programmes, selecting an option, when the START/PAUSE button is pressed to start or pause the cycle.  Three “beeps” when: an option incompatible with the selected programme is chosen, or when a button is pressed or a dial is turned during a cycle.

  • Page 15: Z6 Styling

    4 Z6 STYLING 4.1 EWX 13611 General characteristics The electronic control system consists of two circuit boards:  Control/display board in a plastic casing fitted to the control panel (the figure illustrates the individual board and the board assembly consisting of board, casing and diffuser). ...

  • Page 16: Ewx 11831 General Characteristics

    4.2 EWX 11831 General characteristics The electronic control system consists of three circuit boards.  Control/display board in a plastic casing fitted to the control panel (the figure illustrates the individual board and the board assembly consisting of board, casing and diffuser). ...

  • Page 17: Control Panel

    4.3 Control panel 4.3.1 Display board  Positioning of LEDs and buttons 17/99 Technical Support - DMM 599 78 07-46 Rev.00...

  • Page 18: Control Panel Configuration

    4.3.2 Control panel configuration The wash programmes, the functions of the selector dial (where featured) and the individual buttons vary according to the model, since these are determined by the configuration of the appliance. 4.3.3 Programme selector (S1) See para. 3.4.1 page 11 4.3.4 Programme configuration See para.

  • Page 19: Buttons And Leds

    4.3.5 Buttons and LEDs The functions of each button are defined by the configuration of the appliance.  Button no. 1: this button is related to LEDs (L1÷L5). pressing the button in sequence alters the temperature of the washing cycle from 90°C to cold cycle.
  • Page 20  Wash phase indicator LEDs: LEDs L12, L13, L14 are configurable and are used as indicators of the wash phases Three combinations are envisaged. First combination: The phases of the washing cycle are displayed and the “Extra Rinse” option can be selected by pressing a button;...

  • Page 21: Compatibility Between Wash Programmes And Options

    5 COMPATIBILITY BETWEEN WASH PROGRAMMES AND OPTIONS Maximum Programme Temperature Spin √ √ √ √ √ √ √ Cotton 95°÷ 0° (40°) 1,400 rpm √ √ √ √ √ √ √ Cotton + pre-wash 95°÷ 0° (40°) 1,400 rpm √ √...

  • Page 22: Description Of Options

    5.1 Description of options  Rinse hold  Stops the appliance with water in the tub before the final spin cycle.  To drain the water, reset the programme and then select a drain or spin cycle.  Pre-wash  Adds a pre-wash phase at the start of the cycle with water heating to 30C (or cold, if selected). ...
  • Page 23  Delayed start  Adds a pause before the start of the programme. The delay time is indicated by LEDs or the Display (see page 13 or page 19 button 7/5, for Display or LED display, respectively).  To start the cycle immediately after the countdown to the delayed start has already begun: press the Start/Pause button, cancel the delay time by pressing the relevant button, then press Start/Pause again.
  • Page 24 Styling Z3 It can be combined with buttons with 3 LEDs. The combination is the same as that described for the previous version. The following tables contain the possible configurations of the “Spin” button depending on the combination of LEDs: Button with 3 LEDs and “Rinse hold”...

  • Page 25: Demo Mode Setting

    6 DEMO MODE SETTING A special cycle allows demonstration of the operation of these appliances in shops, in a user interactive manner, without connecting them to the water mains: The interactive mode consists of selecting one of the programmes, adding any options and, once the start button has been pressed, the appliance will only perform certain of the phases of the programme, skipping those that cannot be performed (water fill, drain, heating).

  • Page 26: Diagnostics System

    7 DIAGNOSTICS SYSTEM 7.1 Accessing diagnostics  Set the selector dial to position 0 (zero).  Press the START/PAUSE button and the nearest option button simultaneously (as shown in the figure).  Holding down the buttons, switch the appliance on by turning the programme selector one position clockwise.

  • Page 27: Phases Of The Diagnostics Test

    7.3 Phases of the diagnostics test Irrespective of the type of electronic board and of the selector configuration, once the diagnostics system has been activated, turn the selector dial clockwise to run a check of the various components and read the alarms (as described in table 1).
  • Page 28 Drain, - Door safety interlock Door closed calibration of - Drainage pump Water level lower than analogue - Motor up to 650 rpm then at anti-boiling level for pressure switch Drum speed in maximum spin speed (**) spinning and spin rpm/10 ---- ----...

  • Page 29: Selector Efficiency Check

    7.4 Selector efficiency check During diagnostic testing, it is possible to check the efficiency of the selector, even on appliances with no display. 7.4.1 Programme selector In the control panel illustrated below, the LEDs (lit) are combined with values. When the dial is turned, some LEDs light up, and by summing up the values with which they are combined, you obtain the position of the dial (if the selector dial is efficient).

  • Page 30: Alarms

    8 ALARMS 8.1 Displaying user alarms 8.1.1 Styling Z3 The alarms are displayed by the flashing red LED of the START/PAUSE button and simultaneously through the Display. The alarms displayed to the user are listed below:  E10 - Water fill difficulty (tap closed) ...

  • Page 31: Reading The Alarms

    8.2 Reading the alarms The last three alarms stored in the FLASH memory of the PCB can be displayed:  Enter the diagnostic mode.  Irrespective of the type of PCB and configuration, turn the programme selector knob clockwise to the eleventh position. ...

  • Page 32: Displaying The Alarm

    8.2.1 Displaying the alarm The alarm is displayed by a repeated flashing sequence of the START/PAUSE button with red and green light (0.5 seconds on, 0.5 seconds off with a 2.5 second pause between the sequences).  START/PAUSE button indicator with red light  indicates the first digit of the alarm code (family) ...

  • Page 33: Rapid Reading Of Alarms

    8.2.4 Rapid reading of alarms The last alarm can be displayed even if the programme selector is not in the tenth position (diagnostics) or if the appliance is in normal operating mode (e.g. during execution of the wash programme): Press the START/PAUSE button and the nearest option button simultaneously (as if you were entering DIAGNOSTIC mode) for at least 2 seconds: the LEDs initially switch off, and then display the flashing sequence indicating the last alarm.

  • Page 34: Alarm Summary Table

    9 ALARM SUMMARY TABLE Alarm Description Possible fault Machine status/action Reset No alarm Tap closed or water pressure too low; Drain pipe improperly positioned; Water fill solenoid valve faulty; Leaks from water circuit on Water fill difficulty during washing Cycle is paused with door locked START/RESET pressure switch;...
  • Page 35 Alarm Description Possible fault Machine status/action Reset Faulty “sensing” by door delay (Safety drain cycle) Main circuit board faulty. RESET system Cycle blocked Faulty “sensing” by triac on door (Safety drain cycle) delay system (wrong Main circuit board faulty. RESET Cycle blocked microprocessor input voltage) Cycle stops with door open...
  • Page 36 Alarm Description Possible fault Machine status/action Reset Current leakage to ground (value of mains voltage different from main Earth leakage between heating element and earth. The heating phase is skipped START/RESET value) START Wiring faulty; Heating element for washing interrupted (thermal fuse Heating element interrupted ---------------- ON/OFF...
  • Page 37 Alarm Description Possible fault Machine status/action Reset START Display board configuration error Display board ---------------- ON/OFF RESET Cycle stops with door locked Electronically controlled valve Faulty wiring; Faulty/blocked solenoid, PCB faulty, Drain pump continues to operate (5 min. RESET blocked with operating flowmeter on, then 5 min.

  • Page 38: Technical Characteristics

    10 TECHNICAL CHARACTERISTICS 10.1 Construction characteristics (universal motor) 1. Door 12. Washing unit 2. Front panel 13. Upper counterweight 3. Door Lock 14. Analogue pressure switch 4. Control panel 15. Heating 5. Drainage pump 16. Pulley 6. IDB (with drain filter) 17.

  • Page 39: Construction Characteristics (Three-Phase Motor, Inverter)

    10.2 Construction characteristics (three-phase motor, Inverter) Door 13. Upper counterweight Front panel 14. Analogue pressure switch Door Lock 15. Heating Control panel 16. Pulley Drainage pump 17. Motor IDB (with drain filter) 18. Belt Shock absorbers 19. Inverter motor control board Detergent dispenser 20.

  • Page 40: Detergent Dispenser

    10.3 Detergent dispenser New detergent drawer assembly, with a dispenser assembly incorporated at the front, which is inserted into the detergent inlet pocket of the porthole bellows seal. Operating principle of the conveyor. Water fill directly to tub (pre-wash solenoid) There is no pre-wash compartment.

  • Page 41: Detergent Drawer

    10.4 Detergent drawer The detergent dispenser is designed for use with: powder detergent or liquid detergent. A flap has been fitted inside compartment “a” where the detergent is introduced, which can be flipped up or down. Flip it up to use powder detergent. Position of the flap when the appliance leaves the factory (see figure).

  • Page 42: Washing Unit

    10.5 Washing unit WASHING UNIT Load capacity (cottons) Type Drum volume max. 7/8 Kg 53 litres The washing unit is made up of: A back casing (1) and a front casing (2), welded together to form the welded tub. Inside this is the drum (6) (made of stainless steel) with the three blades (7) (in carboran) snap-fastened to the drum.

  • Page 43: Water Circuit

    10.6 Water circuit 10.6.1 OKO/IDB version drain circuit 1. Diaphragm ring 2. Floating valve 3. IDB (Integrated Drain Body) 4. Filter or needle trap 5. Drain pipe 6. Drainage pump For further details, see see para. 13.7.3 page 83 43/99 Technical Support - DMM 599 78 07-46 Rev.00...

  • Page 44: Electronic Control

    The circuit board can be programmed/updated using the Sidekick application. For further information, please refer to the instructions provided/illustrated in the course entitled << Sidekick Guide >> at the link (http://electrolux.edvantage.net) on the Electrolux Learning Gateway portal. To update/program the main board, insert the Sidekick connector in the position...

  • Page 45: Electrical Characteristics With Universal Motor

    10.7.2 Electrical characteristics with universal motor Display boards Drainage pump Solenoid valve Cold water Motor Analogue pressure Device - door safety interlock Main board Heating element 10.7.3 Electrical characteristics with three-phase motor and Inverter Analogue pressure Display board Solenoid valve Cold water Drainage pump Inverter...

  • Page 46: Electrical Components

    11 ELECTRICAL COMPONENTS  When replacing any of the components, please refer to the code shown in the list of spare parts relating to the appliance being repaired. 11.1 Noise filter 11.1.1 General characteristics This device is connected to the electricity power line input of the appliance and avoids the emission of radio frequency disturbances in the power network.

  • Page 47: Drainage Pump

    11.3 Drainage pump  When replacing the pump, please refer to the code shown in the list of spare parts relating to the appliance being repaired. 11.3.1 General characteristics Wheel Rotor Stator The pump, which drains the water at the end of the various washing cycle phases, is centrifugal and is activated by a synchronous motor.

  • Page 48: Heating Element

    11.4 Heating element  When replacing the heating element, please refer to the code shown in the list of spare parts relating to the appliance being repaired.  It is strictly forbidden to tamper with the heating element in any way!!! (e.g.
  • Page 49 11.5 Temperature probe  When replacing the heating element, please refer to the code shown in the list of spare parts relating to the appliance being repaired.  It is strictly forbidden to tamper with the heating element in any way!!! (e.g.
  • Page 50 11.6 Door safety interlock with PTC (EWX13…) 11.6.1 General characteristics An electromechanical device is used as the door safety interlock, with the following functions:  When it is powered, the volumetric device trips the main switch, which powers some of the electrical components of the washing machine (only if the door is closed).
  • Page 51 11.7 Instantaneous door safety interlock (EWX11…) 11.7.1 General characteristics The instantaneous door interlock allows the door to be opened as soon as the drum stops, if the conditions described further are met. Main electronic circuit board Door safety interlock 11.7.2 Operating principle Solenoid protection PTC Solenoid Lifting assembly...
  • Page 52 the second pulse (which is only sent if everything is in working order) moves the cam (4) to another position, which causes the pin (5) to return to its position and therefore release the interlock; the contacts of the main switch are simultaneously opened. ...
  • Page 53 11.8 Universal motor 11.8.1 General characteristics Collector motors are fitted on appliances with a spin speed of between 600 and 1400 rpm. 1. Stator 2. Terminal board 3. Collector 4. Tachometric generator magnet 5. Tachometric generator coil 6. Brush 11.8.2 Operating principle The stator winding is connected in series to the rotor winding (serial excitation).
  • Page 54 11.8.2.2 Direction of rotation of the motor The direction of rotation of the motor depends on how the windings of the stator and rotor are connected to one another. This connection is made by the circuit board relay contacts. Clockwise rotation Anti-clockwise rotation Electronic control Overheating cut-out (motor)
  • Page 55 11.8.3 Power supply to motor The PCB powers the motor via a TRIAC switch; the direction of rotation is reversed by switching the contacts on the two relays (K1-K2), which modify the connection between the rotor and the stator. In certain models, a third relay (K3) is used to power the stator (full or half field) according to the spin speed. The motor speed is controlled by the signal from the tachometric generator.
  • Page 56 11.9 Three-phase asynchronous motor - Inverter 11.9.1 General characteristics 1. Main electronic circuit board 2. Door safety interlock 9. Inverter 10. Motor 11.9.2 Power supply to motor Three-phase power is fed by the inverter (10), which sends through the connectors J2-2 J2-3 J2-4 the three phases to connectors 1-2-3 on the motor (nodes U-W-V), where the windings (Y-X-Z-) are connected.
  • Page 57 11.10 Inverter 11.10.1 General characteristics The EWX11831 electronics use a new asynchronous motor, with 2 poles, three-phase, with high performance and low noise levels. “INVERTER” operating diagram = Phase = Neutral = “INVERTER” board = Motor = Condenser = Diodes I1÷6 = Switches F1÷3 = Motor connectors µP...
  • Page 58 11.11 Anti-foam control system The anti-foam control procedure is performed using the electronic pressure switch. Spin with little foam: if the pressure switch senses a “full” level, the spin phase is interrupted, the drain pump continues to operate and, when the pressure switch senses “empty”, the spin phase is resumed. Spin with excess foam in the tub (critical situation): the control system detects whether the electronic pressure switch switches 5 times to full (five spin interruptions).
  • Page 59 11.12 Solenoid valves 11.12.1 General characteristics This component introduces water into the detergent dispenser and is controlled electrically by the main circuit board via Triac. The level of water in the tub is controlled by the analogue pressure switch. 1. Water inlet 2.
  • Page 60 11.13 Analogue pressure switch 11.13.1 General characteristics The electronic pressure switch is an analogue device that controls the water level in the tub, used in models with electronic control system, and it is directly connected to the main PCB. 1. small pipe 2.
  • Page 61 12 DIAGRAM 12.1 Operating Circuit Diagram EWX13611 (with universal motor) 61/99 Technical Support - DMM 599 78 07-46 Rev.00...
  • Page 62 12.2 Key to operating circuit diagram EWX13611 (with universal motor) Appliance electrical components PCB components 1. Main electronic circuit board 2. Door safety interlock 3. Electronic pressure switch DRAIN_TYS Drain pump Triac 4. NTC DOOR_TY Door interlock Triac 5. Pre-wash solenoid valve...
  • Page 63 12.3 Operating Circuit Diagram EWX11831 (with three-phase motor) 63/99 Technical Support - DMM 599 78 07-46 Rev.00...
  • Page 64 12.4 Key to operating circuit diagram EWX11831 (with three-phase motor) Appliance electrical components PCB components 1. Main electronic circuit board 2. Door safety interlock (instantaneous) 3. Electronic pressure switch DRAIN_YTY Drain pump Triac 4. NTC (washing) DOOR_TY Door interlock Triac 5.
  • Page 65 13 ACCESSIBILITY (appliances with universal motor) Make sure you wear gloves, because parts of the cabinet are sharp 13.1 Worktop Remove the screws that secure it to the back panel. Pull it out from the back. 13.2 From the worktop, you can access 1.
  • Page 66 Remove the clamp that secures the wiring to the spring support bracket. Using a pair of pliers, remove the clamps that secure the wiring to the power board assembly container (indicated by the arrows). Position the board assembly as shown in the figure Remove the connectors and the faston that connects the earth (beware as it is fitted with an anti-sliding stop).
  • Page 67 Release the three hooks that secure the board to the container and remove it (take care not to break the hooks). Remove the connectors. Board When reassembling. Once you have inserted the connectors, make sure the wiring is inside the box. So that when the lid is closed, the wiring is not crushed or cut by the two plastic parts.
  • Page 68 13.2.2 Solenoid valve Remove the worktop (see relevant paragraph). Detach the connectors indicated by the blue arrows. Pull out the pipes indicated by the red arrows, which connect the solenoid valve to the detergent dispenser. Unscrew the water fill pipe from the solenoid valve. Push the two retainers indicated by the arrows towards the inside of the appliance.
  • Page 69 Remove the four screws securing the crossbar to the sides of the cabinet. Remove the two screws securing the detergent drawer to the crossbar. Release the anchor tab securing the detergent drawer to the crosspiece. Raise both sides of the control panel so as to pull out the hooks securing it to the front panel.
  • Page 70 Remove the screws securing the display board assembly to the control panel. Release the hooks securing the display board assembly to the control panel. Remove the display board and spring assembly. To access the button spring unit, release it from the board assembly. The light diffuser is inserted into the control panel holes;...
  • Page 71 13.2.5 Analogue pressure switch Remove the worktop (see relevant paragraph). Remove the connector. Pull off the pipe connecting it to the pressure chamber Tighten the two tabs which secure it to the cabinet and remove it. 13.2.6 Detergent dispenser Remove the worktop (see relevant paragraph). Remove the control panel (see relevant paragraph).
  • Page 72 After completing all the steps in the reverse order. During insertion of the detergent dispenser into the pocket of the bellows seal: Reposition the clamp in its seating in the pocket of the porthole bellows seal (close it if it is open). Lubricate the inside of the pocket.
  • Page 73 13.2.7 Upper counterweight Remove the worktop (see relevant paragraph). Remove the three screws that secure it to the welded tub. When reassembling: If the tub assembly is new, tighten the screws at a torque of 20 Nm. If the tub assembly is new, tighten the screws at a torque of 15 Nm. 13.2.8 Power supply cable clamp Remove the worktop (see relevant paragraph).
  • Page 74 Take the device and move it to the left. Turn it towards the inside (right-hand side of the flange). Pull it out towards the right and remove it. Pull out the wiring protection from the door safety device. Disconnect the connector. EWX13 EWX11 To reassemble the door safety device, repeat the same operations in reverse.
  • Page 75 13.3.2 Door and Door Hinge To replace the hinge, loosen the screws securing it to the cabinet. Unfasten the screws joining the two front and rear door frames shown in the figure. 13.3.3 Blade The blade is secured to the drum with slides and secured with blades carved into the drum.
  • Page 76 The hole is the first in the second series towards the rear of the blade. With the screwdriver tilted towards the left push the right-hand tab down. With the screwdriver tilted towards the right push the left-hand tab downwards. When the two tabs are down push the blade towards the front of the drum.
  • Page 77 Insert the screwdriver (in the fourth slot) at a right angle to the blade, so as to position it at the centre of the two lock tabs. Move to the left and right. To move the tabs up (as shown by the arrows) and insert them inside the blade, securing it to the drum (as shown in the figure).
  • Page 78 13.4 From the front panel, you can access 1. Front counterweight 2. Bellow seal 3. Welded tub assembly 4. Tub suspension springs 13.4.1 Front counterweight Remove the worktop (see relevant paragraph). Remove the iron ring securing the bellow seal to the front panel. Release the door safety device (see relevant paragraph).
  • Page 79 13.4.4 Tub suspension springs  Left spring Attach the spring as shown in the figure: the shortest leg faces towards the side, whereas the longest leg faces towards the welded tub.  Right spring The instructions provided for the left spring also apply to the right spring.
  • Page 80 13.5 Accessing the rear part Make sure you wear gloves, because parts of the cabinet are sharp. 13.6 Back panel Loosen the screws that fix it to the cabinet. Do not fully unscrew the screw marked with the number 1. 13.6.1 From the back panel, you can access Belt Plastic pulley (...
  • Page 81 13.6.1.2 Plastic pulley ( 273 mm) Remove the back panel (see relevant chapter). Remove the belt (see relevant chapter). Insert a retainer to secure the pulley in place. Unfasten the screw securing the pulley to the drum shaft. When reassembling, tighten the screw at a torque of 60 Nm. 13.6.1.3 Motor Remove the back panel (see relevant chapter).
  • Page 82 13.7 From the base of the appliance, you can access 1. Drain water circuit 2. Pressure chamber 3. Shock absorbers 13.7.1 Drain water circuit  Drainage pump Remove the back panel to make certain operations easier. Empty the drain circuit. Lay the appliance onto its left side (the side where the detergent dispenser is).
  • Page 83 And the fluff filter is in the centre of the IDB. When reassembling, repeat the same steps in the reverse order, tightening the screws at a torque of 1.5 Nm. 13.7.2 Drain filter Remove the back panel to make certain operations easier. Empty the drain circuit.
  • Page 84 Once you have removed the outside of the IDB attached to the welded tub, the diaphragm assembly with the floating valve remains. Remove the diaphragm assembly. IDB complete with diaphragm assembly. Diaphragm assembly seen from the welded tub part. The side window - referred to as the “vent” (shown by the arrow) allows you to keep the drain circuit balanced to achieve good performance.
  • Page 85 When reassembling place the diaphragm assembly and floating valve in the drain hole of the welded tub. Make sure the reference mark is positioned correctly in the seal diaphragm assembly seat. When positioning the IDB lid, make sure it fits as far as it can go against the reference point.
  • Page 86 Turn it until you reach the position shown in the figure. Remove it. Pressure chamber Detail of the pressure chamber set into the welded tub. When reassembling make sure that the seal is not damaged/warped, otherwise replace it. Insert the pressure chamber in its seat in the welded tub. Turn it and make sure that the two tabs slot into the purpose-provided runners (shown by the arrows).
  • Page 87 insert the pipe and secure the pressure chamber. 13.7.5 Shock absorbers Empty the drain circuit. Lay the appliance onto its left side (the side where the detergent dispenser is). Right-hand shock absorber from the rear. Left-hand shock absorber from the rear. 13.7.6 Shock absorber pin The principle is still the same, even if the photographs show different components and situations.
  • Page 88 13.7.7 Main drain pipe Loosen the screw which fastens the pipe fastener at the top of the appliance. Straighten out the pipe to drain the water into a container. Remove the back panel (see relevant chapter). Open/warp the clamp (shown by the arrow) which secures the drain pipe to the IDB.
  • Page 89 is inserted in the seat of the pipe fastener. The other uncorrugated part of the pipe must be positioned in the pipe fastener at the top of the appliance. When reassembling, repeat all these steps in the reverse order. 89/99 Technical Support - DMM 599 78 07-46 Rev.00...
  • Page 90 14 ACCESSIBILITY (appliances with INVERTER motor control) Make sure you wear gloves, because parts of the cabinet are sharp 14.1 Worktop See para. 13.1 page 65 14.2 From the worktop, you can access 1. Main board 2. Solenoid valve 3. Display board/light diffuser/buttons/buttons springs assembly 4.
  • Page 91 Lower the power board assembly to remove the wiring from the hooks shown by the arrows. Position it as shown in the figure. Remove the wiring from the hook. To remove the protection from the connectors: disconnect the hooks securing it on one side. and on the other.
  • Page 92 14.2.4 Display board assembly See para. 13.2.4 page 69 14.2.5 Analogue pressure switch See para. 13.2.5 page 71 14.2.6 Detergent dispenser See para. 13.2.6 page 71 14.2.7 Upper counterweight See para. 13.2.7 page 73 14.3 Accessing the front part 1. Door and Door Hinge 2.
  • Page 93 14.4 From the front panel, you can access 1. The front counterweight 2. Bellow seal 3. The welded tub assembly 4. The tub suspension springs 14.4.1 Front counterweight See para. 13.4.1 page 78 14.4.2 Bellow seal See para. 13.4.2 page 78 14.4.3 Welded tub assembly See para.
  • Page 94 14.6.2 Plastic pulley ( 273 mm) See para. 13.6.1.2 page 81 14.6.3 Motor See para. 13.6.1.3 page 81 14.6.4 Heating See para. 13.6.1.4 page 81 14.6.5 UIMC Remove the back panel (see relevant chapter). Loosen the two screws that fix it to the rear cabinet. Remove the clamp (shown by the arrow) from the crosspiece, taking care not to break it.
  • Page 95 Release the two hooks securing the connectors protection on one side. And on the other remove the connectors protection. Remove the connectors. When reassembling, repeat these steps in the reverse order. Making sure the wiring is positioned inside the UIMC runners to avoid damaging it.
  • Page 96 Drainage pump. Once you have removed the pump, you will see that the IDB features six slots, to secure the pump, if three of the slots are damaged, you can use the other three. And the fluff filter is in the centre of the IDB. When reassembling, repeat the same steps in the reverse order, tightening the screws at a torque of 1.5 Nm.
  • Page 97 When inserting the filter, make sure the part shown by the arrows is facing towards the drain pipe. If the filter has not been inserted or if it has been positioned incorrectly, the appliance will report the alarm E21. 14.7 From the base of the appliance, you can access 1.
  • Page 98 Drainage filter Remove the back panel to make certain operations easier. Empty the drain circuit. Lay the appliance onto its left side (the side where the detergent dispenser is). Remove the pump (see relevant paragraph). Take the filter out of its seat (IDB). When inserting the filter in its seat, make sure the indented part (shown by the arrows) is facing towards the drain pipe.
  • Page 99 REVISION: Revision Date Description Written by Approved by: XX – 0X/2014 09/2014 Document creation 99/99 Technical Support - DMM 599 78 07-46 Rev.00...

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