AEG Electrolux 7 Series Service Manual
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AEG Electrolux 7 Series Service Manual

AEG Electrolux 7 Series Service Manual

Top loading washing machines with electronic control system ewx11831
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 ELECTROLUX HOME PRODUCTS
Customer Care - EMEA
Training and Operations Support
Technical Support
Edition: 08/2014 - Rev. 01
Series 7
Series 8
Publication
number
599 77 13-17
Technical and functional
EN
SERVICE MANUAL
Top loading washing
machines
with electronic control
system
EWX11831
characteristics
NEW
COLLECTION
C4
WASHING

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Summary of Contents for AEG Electrolux 7 Series

  • Page 1 SERVICE MANUAL WASHING Series 7 Series 8 Top loading washing machines  ELECTROLUX HOME PRODUCTS with electronic control Customer Care - EMEA system Publication Training and Operations Support number Technical Support EWX11831 599 77 13-17 Technical and functional characteristics COLLECTION Edition: 08/2014 - Rev.
  • Page 2 2/105 Technical Support M.D.M. 599 77 13-17 Rev.01...

  • Page 3: Table Of Contents

    INDEX PURPOSE OF THIS MANUAL ........................6 WARNINGS ..............................7 SERIES 7 ................................. 8 General characteristics ..........................8 Control panel............................. 9 2.2.1 Styling ..............................9 2.2.2 Control panel configuration......................10 2.2.3 Programme selector (S1) ........................ 10 2.2.4 Programme configuration ........................ 10 Pushbuttons –...
  • Page 4 11.7 Temperature probe ..........................58 11.8 Analogue pressure switch ........................59 11.8.1 General characteristics ........................59 11.9 Door safety interlock ........................... 60 11.9.1 Delayed opening safety device....................... 60 11.9.2 Instantaneous door safety interlock....................61 11.10 Three-phase asynchronous motor - Inverter..................65 11.10.1 General characteristics ........................
  • Page 5 13.30.3 Re-circulation pump ........................101 13.31 Bearings ............................102 13.31.1 Bearing support unit with seal ring ..................... 102 13.31.2 Bearing support unit with no seal ring ..................103 13.32 Remove the washing unit........................104 5/105 Technical Support M.D.M. 599 77 13-17 Rev.01...

  • 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 EWX11831 electronic control system (SERIES 7/8). Previous platforms (electronic/mechanical) used a safety pressure switch that checked the minimum water level in the tub, below which the supply to the heating element was interrupted.

  • Page 7: Warnings

    1 WARNINGS  Any work on electrical appliances must only be carried out by qualified personnel.  Before carrying out work on the appliance, use suitable instruments to check that the power supply system in the house is fully efficient. For example: refer to the indications provided/illustrated in the <<metratester>>...

  • Page 8: Series 7

    2 SERIES 7 2.1 General characteristics The EWX11831 electronic control system consists of two circuit boards plus the motor control system (inverter). The control/display circuit board, inserted in a plastic box, secured to the control panel. The figure shows: The control/display circuit board and plastic container already assembled.

  • Page 9: Control Panel

    2.2 Control panel 2.2.1 Styling  Max. 8 buttons  Programme switch with 16 positions without the 0 position  20 LEDs   Positioning of LEDs and buttons  Display board assembly, exploded view 1. Selector board protection 2. Display board protection 3.

  • Page 10: Control Panel Configuration

    2.2.2 Control panel configuration The washing programmes, the functions of the selector knob and the various buttons vary according to the model, since these are determined by the configuration of the appliance. 2.2.3 Programme selector (S1) The selector used is a HI-FI type, that is, the knob has non index and no reset position, the programme selected is indicated by the lighting of the corresponding LED.

  • Page 11: Pushbuttons - Leds And Lcd

    Pushbuttons – LEDs and LCD 2.2.5 The functions of each button are defined by the configuration of the appliance.  Button no. 1: ON/OFF This button is always present, whatever the styling.  Press it to turn the appliance on, at the same time the buzzer will sound a tone (if enabled) and the LCD display lights up (the lighted symbols are the ones for the programme).
  • Page 12  Button no. 4: OPTION This button is configurable and is related to LED (L1). Depending on the configuration of the appliance, it can perform the option of:  Stains  HOT & COLD water fill Press this button to enable/disable the option related to it, with the respective lighting/turning off of LED L1.

  • Page 13: Lcd Series 7

    2.2.6 LCD series 7 The information described below also appears on the LCD:  Programme phases: The three icons shown have the following meanings, respectively:  Wash/Prewash/Steam  Rinse  Spin They are lit during the setting phase to display which phases are included in the programme.
  • Page 14  End of cycle When the cycle ends and you can open the door, the display shows a permanently lit 0. Stopping the machine with water in the tub, at the end of programmes with the RINSE HOLD option, is displayed by a permanently lit zero. The LED indicating the door remains on and the LED of the START/PAUSE button is turned off.

  • Page 15: Buzzer

    2.2.7 Buzzer This comprises a multi-tone buzzer and sounds in the following cases:  When the machine is turned on and off it emits two different tunes.  When a sensor is pressed it emits a short “Click”  When the cycle ends this is indicated by a special sequence of “three long beeps” repeated at intervals of 15”...

  • Page 16: Series 8

    3 SERIES 8 3.1 General characteristics The EWX118311 electronic control system consists of two circuit boards plus the motor control system (inverter). The control/display circuit board, inserted in a plastic box, secured to the control panel. The figure shows: The control/display circuit board and plastic container already assembled.

  • Page 17: Control Panel

    3.2 Control panel 3.2.1 Styling  Max. 9 buttons  16 position programme selector  20 LEDs   Positioning of LEDs and buttons  Display board assembly, exploded view 1. Selector board protection 2. Display board protection 3. LCD screen 4.

  • Page 18: Control Panel Configuration

    3.2.2 Control panel configuration The washing programmes, the functions of the selector knob and the various buttons vary according to the model, since these are determined by the configuration of the appliance. 3.2.3 Programme selector (S1) The selector used is a HI-FI type, that is, the knob has non index and no reset position, the programme selected is indicated by the lighting of the corresponding LED.

  • Page 19: Pushbuttons - Leds And Lcd

    Pushbuttons – LEDs and LCD 3.2.5 The functions of each button are defined by the configuration of the appliance.  Button no. 1: ON/OFF Description: see Button no. 1 on page 11  Button no. 2: TEMPERATURE See description on page 11 The only difference with version 7 is the representation of the cold cycle, which is represented by the cold symbol and by two...
  • Page 20  Button no. 5: OPTION It is related to the part of the LCD display (see figure) showing: the graphic bar, a digit and the “Extra rinse” symbol. Press the button to light the graduated scale. The symbol for the “Extra rinse”...

  • Page 21: Lcd Series 8

    3.2.6 LCD series 8 The following information is also displayed on the LCD:  Programme phases: The icons represented respectively mean: 1. Pre-wash 2. Wash 3. Risciacquo 4. Spin 5. Steam combined with the programme (where featured) 6. Rinse Hold 7.

  • Page 22: "Demo" Mode

    4 “DEMO” MODE A special cycle is designed to demonstrate the operation of these appliances in shops, without connecting them to the water mains:  The door closure device is activated normally.  All motor's low speed movements, the pulses and spin are disabled. ...

  • Page 23: Diagnostics System

    5 DIAGNOSTICS SYSTEM 5.1 Accessing diagnostics Do not start the procedure with the buttons in the combination pressed The operations listed below must be carried out within 7 seconds Series 7 Series 8 Turn the appliance on at the ON/OFF switch and the first LED in the right-hand row is turned on.

  • Page 24: Phases Of The Diagnostics Test

    5.3 Phases of the diagnostics test Irrespective of the type of circuit board and the configuration of the selector, after entering the diagnostic mode, turn the programme selector dial clockwise to perform the diagnostic cycle for the operation of the various components and to read any alarms.
  • Page 25 Position 4 Water fill to conditioner Purpose of the test: To check the correct operation of the conditioner compartment compartment water route.  Door safety interlock Components activated:  Pre-wash and wash solenoid valves  Door closed. Working conditions:  Water level below anti-flooding level ...
  • Page 26 Position 8 Leaks from the tub Purpose of the test: To check for any water leaks from the tub during operation.  Door fastening device. Components activated:  Wash solenoid, if the water in the tub is not enough to cover the heating element. ...
  • Page 27 Position 12÷16 User interface test Purpose of the test: To test operation of all the LEDs and switches.  The LEDs are turned on in sequence, as are Components activated: the symbol groups of the LCD display and its backlight. ...

  • Page 28: Alarms

    6 ALARMS 6.1 Displaying user alarms When a problem occurs in the appliance and a “WARNING” or “ALARM” is triggered, this is shown in the three digit display (where the time left to the end of the cycle is shown), this information ceases to be displayed when the problem is repaired/solved.

  • Page 29: Reading The Alarms

    6.2 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, the last alarm is displayed. To display previous alarms, press the button to the left of the START/PAUSE button in sequence (as shown in the figure) To return to the last alarm, press the START/PAUSE button.

  • Page 30: Alarm Summary Table

    7 ALARM SUMMARY TABLE Description Possible fault Machine status/action Reset  Tap closed.  Water pressure too low.  Drain pipe improperly positioned.  Water fill solenoid valve faulty. Water fill difficulty during washing Cycle is paused with door locked START/RESET ...
  • Page 31 Action Description Possible fault Reset Machine status  Wiring; Electronic pressure switch. Electronic pressure switch circuit faulty Cycle stops with door locked RESET  Main electronic circuit board.  Drain pipe kinked/clogged/improperly positioned.  Solenoid valve faulty.  Drain filter clogged/dirty. Calibration error of the electronic ...
  • Page 32 Action Description Possible fault Reset Machine status  Check whether the door is closed properly.  Faulty wiring. CLOSE THE Door open Cycle is paused  Door safety interlock faulty. DOOR  Main circuit board faulty.  Faulty wiring.  Door safety interlock faulty. ...
  • Page 33 Action Description Possible fault Reset Machine status  Motor-inverter wiring faulty. Inverter is drawing too much current Cycle blocked with door locked after 5 ON/OFF  Inverter board faulty. (>15 A) attempts. RESET  Motor faulty.  Abnormal motor operation (overload). ...
  • Page 34 Action Description Possible fault Reset Machine status  Faulty wiring.  NTC probe for wash cycle faulty. Insufficient heating during the washing The heating phase is skipped START/RESET  Heating element faulty. phase  Main circuit board faulty.  Faulty wiring. Overheating during washing phase ...
  • Page 35 Action Description Possible fault Reset Machine status  Faulty wiring. NTC probe for wash cycle faulty  NTC probe for wash cycle faulty. The heating phase is skipped START/RESET (short-circuited or open)  Main circuit board faulty.  Faulty wiring. ...
  • Page 36 Action Description Possible fault Reset Machine status  Faulty wiring. Communication error between main  Control/display circuit board faulty. ---------------- RESET PCB and display board  Main circuit board faulty. Communication inconsistency  Incorrect control/display board. between main PCB and display board. Cycle blocked ON/OFF ...
  • Page 37 Action Description Possible fault Reset Machine status  DSP sensor faulty.  Transmission belt broken. No drum position signal made. Drum positioning cycle cancelled START/RESET  Main circuit board faulty.  Faulty wiring.  Faulty wiring. START  No rotation of the motor at cycle start Cycle paused.
  • Page 38 Action Description Possible fault Reset Machine status  Problem with the power supply network Appliance power supply frequency out (incorrect/disturbed). Wait for nominal frequency conditions ON/OFF of limits  Main circuit board faulty.  Problem with the power supply network Supply voltage too high (incorrect/disturbed).

  • Page 39: Operating Time Counter

    8 OPERATING TIME COUNTER Using a specific procedure, the operator can display the total operating time for the appliance, which is counted from the moment it is first switched on. The unit can count up to a maximum of 6,550 hours of operating time. Only the operating time of normal programmes (and not diagnostic cycles) is counted The actual operating time for the cycle is counted (which does not include pauses, delayed start time, rinse hold time and soaking phases)

  • Page 40: Options

    9 OPTIONS 9.1 Compatibility between options OPTIONS Rinse hold Night cycle Pre-wash/Soak (*) Stains Super rinse Easy-iron Economy Cupboard Dry Daily Super Quick Sensitive Reduced spin speed No spin Aquasol Max steam Medium steam Minimum steam Selection Phases where Pre-wash selection/ Wash modification is...

  • Page 41: Description Of Options

    9.2 Description of options  Rinse hold During the cycle the intermediate rinses and spins are performed. Stops the appliance with water in the tub before the final spin cycle. Once the Rinse Hold has ended, the appliance rotates the drum every two minutes for up to a maximum of 18 hours, after which it stops.

  • Page 42: Generating Steam

     Super quick Modifies the structure of the wash phase of the COTTONS - SYNTHETICS - DELICATES cycles by half a load.  Delayed start time Adds a pause before the start of the programme. The delay time is shown on the three digit display See page 12 series 7, page 20 series 8.

  • Page 43: Technical Characteristics

    10 TECHNICAL CHARACTERISTICS 10.1 Construction characteristics 1. Front panel 10. Pressure chamber 19. Washing unit 2. Sides 11. Lids 20. Drum light 3. Back panel 12. Drum 21. Transmission belt 4. Base 13. Inlet 22. Pulley 5. Filter 14. Upper cover 23.

  • Page 44: Detergent Dispenser

    10.2 Detergent dispenser 10.2.1 Detergent dispenser Before entering the tub, the cold water passes through the detergent dispenser picking up the detergent inside it. This dispenser is split into 3 compartments marked with the symbols: Prewash (dispenser 1) Wash (dispenser 3) Fabric conditioner (dispenser 2) 1.

  • Page 45: Working Principle Of Water Dispenser

    10.2.3 Working principle of water dispenser. Pre-wash During the pre-wash phase the right solenoid valve is activated, the water coming from the load pipe passes through the pressure reducer and then to the water dispenser, which then sends the water into the left dispenser picking up, if there, the detergent needed for the pre- wash.

  • Page 46: Washing Unit

    10.3 Washing unit WASHING UNIT Load capacity (cottons) Type Drum volume max. 7 kg 42 litres The washing unit is made up of: A stainless steel drum (4) inserted inside a carboran tub (5) with a welded cover (3). 2 counterweights are positioned to the sides (2 and 6) needed to reduce the swinging caused by the clothes during washing.

  • Page 47: Water Circuit

    10.4 Water circuit 10.4.1 OKO version drain circuit 1. Prefilling pipe 2. Drain pump 3. Drain pipe 4. Filter unit tub pipe containing the sphere 5. Pressure chamber 6. Filter unit amassed in the base frame 10.4.2 JET version drain circuit 1.

  • Page 48: Eco Spray Circuit

    10.4.4 ECO SPRAY Circuit Complete Eco Spray Circuit 1. Assembly for Tub drain pipe 2. Filter 3. Re-circulation pump filter pipe 4. Re-circulation pump 5. Jet Pipe 10.4.4.1 Tub drain pipe assembly The tub drain pipe assembly is made up of: 1.

  • Page 49: Stiwa New Drain Circuit (Where Featured)

    10.4.5 Stiwa new drain circuit (where featured) The new drain circuit consists of:  a general drain pipe assembly (a&b) a) Part connected to the drain pump b) Part connected to the domestic drain  c) Coupling (with a printed arrow on one side indicating the direction in which the water flows and featuring a small green-coloured tube inside).

  • Page 50: Electronic Control

    10.5 Electronic control The electronic control is made up of: 1. Control/display circuit board. 2. UIMC Inverter motor control board. 3. Main electronic circuit board. The control/display PCB contains: the selector used to select the washing programme, the LCD display to show information on the programme, but buttons used to adjust the temperature, the spin speed and optionally to select an option, the Start/PAUSE button and finally the ON/OFF button.

  • Page 51: Programming/Updating The Main Circuit Board

    10.5.1 Programming/Updating the main circuit board  Any programming/updating/diagnostics operation carried out with the board inserted in the machine and the mains plug disconnected from the socket.  If one of these operations is accidentally carried out when plugged in to the socket, on completing the operation, the appliance will remain turned off when restarting;...

  • Page 52: Connecting Electric Parts

    10.5.2 Connecting electric parts Flowmeter Hot water solenoid valve Analogue pressure Series 7 Display boards Cold water solenoid valve Series 8 + steam water solenoid valve Drum Light Water control Drain Recirculation sensor pump pump Door UIMC safety interlock - Inverter instantaneous board...

  • Page 53: 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 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 54: Drain Pump - Aqua Control

    11.3 Drain pump – Aqua control  When replacing the pump, please refer to the code shown in the list of spare parts relating to the appliance. 11.3.1 General characteristics 1. Wheel 2. Rotor 3. 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 55: Aqua Control (Where Featured)

    11.4 Aqua control (where featured) The aqua control is a sensor positioned in contact with the bottom of the machine. It detects any water leakage from inside the washing machine and feeds the drain pump (not only during normal operation but also when the appliance is turned off with the plug inserted into the power socket).

  • Page 56: Circulation Pump (Where Featured)

    11.5 Circulation pump (where featured) In models with Jetsystem washing, a synchronous circulation pump is fitted, which is designed to circulate water continuously, withdrawing it from the filter body and introducing it into the tub through the bellow seal. It is powered directly by the main circuit board via a triac and is fitted with a thermal cut-out. 1.

  • Page 57: Heating Element

    11.6 Heating element  When replacing the heating element, please refer to the code shown in the list of spare parts relating to the appliance.  It is strictly forbidden to tamper with the heating element in any way! (e.g. changing the NTC probe, etc...) 1.

  • Page 58: Temperature Probe

    11.7 Temperature probe  When replacing the heating element, please refer to the code shown in the list of spare parts relating to the appliance.  It is strictly forbidden to tamper with the heating element in any way!!! (e.g. changing the NTC probe, etc...) 1.

  • Page 59: Analogue Pressure Switch

    11.8 Analogue pressure switch 11.8.1 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 tube 2.

  • Page 60: Door Safety Interlock

    11.9 Door safety interlock 11.9.1 Delayed opening safety device. The door delay safety device ensures that while the appliance is working normally, it is impossible to open the door for safety reasons and ensures that at the end of the wash cycle the door can only be opened after a set time.

  • Page 61: Instantaneous Door Safety Interlock

    11.9.2 Instantaneous door safety interlock. The instantaneous door interlock allows the lid to be opened as soon as the drum stops, if the conditions described further are met. Nib lock lever Main electronic circuit board Door safety interlock (with Door sensing switch) 2a.
  • Page 62  Solenoid protection A PTC is connected in series to the solenoid to limit the current (and therefore any overheating) in the following cases:  main circuit board triac short circuit  many consecutive pressings of the start/pause button (more than 5 times) Lid open conditions Before pulses are sent to release the lid, the PCB checks for the following conditions: ...
  • Page 63 Proceed as follows: Remove the left side panel (seen from the front) Instantaneous door safety interlock, the arrow indicates the position of the blocking pin that prevents the opening of the lid in the cases described above Seat in which the tool is to be introduced Introduce the tool Below are illustrations of the various phases to release the door safety interlock and how to use the tool.
  • Page 64 So that it is inserted into its seat, push it forward until it locks in place (STOP) Turn it 90° clockwise in order to push the blocking pin towards the inside of the door micro-switch While turning it, raise the lid handle and keep it in this position (as can be seen in the photo on the right, the fastening latch lever moves) Turn the tool 90°...

  • Page 65: Three-Phase Asynchronous Motor - Inverter

    11.10 Three-phase asynchronous motor - Inverter 11.10.1 General characteristics 1. Main electronic circuit board 2. Door safety interlock - delayed/instantaneous 13. Inverter 14. Motor 11.10.2 Power supply to motor Three-phase power is fed by the inverter (13), which sends through connectors J2-2 /J2-3/J2-4 the three phases to connectors 1-2-3 on the motor, where the windings are connected.

  • Page 66: Triple-Phase Synchronous Motor With Permanent Magnets

    11.11 Triple-phase synchronous motor with permanent magnets 11.11.1 General characteristics 1. Main electronic circuit board 2. Delayed door safety interlock- delayed/instantaneous 13. Inverter 14. Motor 11.11.2 Power supply to motor Three-phase power is fed by the inverter (13), which sends through connectors J2-2 /J2-3/J2-4 the three phases to connectors 1-2-3 on the motor, where the windings are connected.

  • Page 67: Operating Principle

    11.11.3 Operating principle The alternating current permanent magnets motor is a synchronous electric motor: the speed of rotation when stationary only depends on the frequency of power supply and it is independent of the load (torque at the axis). Like all electric motors, the permanent magnets motor consists of a stator and a rotor: both these components contribute to the production of torque by iteration between the respective magnetic fields.

  • Page 68: Inverter (Uimc)

    11.12 Inverter (UIMC) 11.12.1 General characteristics The EWX11831 electronics use a new synchronous motor, with permanent magnets, three-phase power supply, with high performance and low noise levels. “INVERTER” operating diagram = Phase = Neutral = UIMC “INVERTER” board T IT = Motor = Condenser = Diodes...

  • Page 69: Ags

    11.12.2 AGS AGS is the abbreviation for the Italian words “Algoritmo di Gestione dello Sbilanciamento” (Algorithm of Unbalance management). It is a complete procedure for the balanced distribution of the laundry in the drum, limiting the residual unbalance and guaranteeing an effective spin phase avoiding vibrations and excess noise. The residual unbalance is estimated through repeated measurements made on the motor during the balancing phase: fluctuations in these measurements are higher if there is an unbalance and smaller if the laundry is well distributed.
  • Page 70 The graph below illustrates a typical drum speed trend during preparation for the spin cycle: you can see there are some untangling phases in between the three attempts (example) used by AGS to manage to distribute the laundry load in a balanced way. Drum speed Check Success...

  • Page 71: Drum Positioning Device (Drum - Self- Position)

    11.13 D.S.P. drum positioning device (Drum - Self- Position) The D.S.P. or Drum Self Position is an electronic device for putting the drum in the right position so that once the wash cycle is finishes the 2 load lids are in the upper part of the washing machine so that the person operating it does not have to rotate the drum manually.

  • Page 72: Solenoid Valves

    11.14 Solenoid valves SOLENOID VALVE SOLENOID VALVE SOLENOID VALVE HOT WATER TWO WAYS THREE WAYS 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.

  • Page 73: Mechanical Jamming Of The Solenoid Valve

    11.14.2 Problems relating to the solenoid valves  Mechanical jamming of the solenoid valve The solenoid valve may jam open without being actuated (which will cause flooding if the pressure switch controlling the water level does not trip). If this occurs, the electronic control system (which continuously monitors the flow sensor), starts the drain pump and simultaneously displays an ALARM.

  • Page 74: Operating Principle Of The Flowmeter

    11.15.1 Operating principle of the flowmeter Closed contact Open contact The main components of the flowmeter are: 1. Turbine (with magnet and counterweight mounted on the outside) 2. Reed contact (normally open) 3. Magnet 4. Counterweight Signal 0 Signal 1 Water entering the solenoid valve rotates the turbine (1) and magnet (3), which passes in front of the Reed contact (2), thus closing it.

  • Page 75: Drum Light (Where Featured)

    11.16 Drum light (where featured) The drum light consists of a high luminosity LED. When the appliance is at the setting phase (START/PAUSE light flashing), on opening the laundry load lid the LED lamp comes on and lights the inside of the drum;...

  • Page 76: Diagrams

    12 DIAGRAMS 12.1 WM diagram with THREE-PHASE ASYNCHRONOUS MOTOR 76/105 Technical Support M.D.M. 599 77 13-17 Rev. 01...

  • Page 77: Key To Diagram

    12.1.1 Key to diagram Appliance electrical components PCB components Main electronic circuit board. Door safety interlock – delayed/instantaneous DRAIN_YTY Drain pump Triac Electronic pressure switch. DOOR_CLOSE_TY Door interlock Triac NTC (washing). REC PUMP_TY Circulation pump TRIAC switch Flow sensor. PWELT_TY Pre-wash solenoid Triac WELT_TY Wash solenoid Triac...

  • Page 78: Accessibility

    13 ACCESSIBILITY Before intervening on the equipment place a protection above the drum in order to prevent small parts falling inside the tub. 13.1 Control panel 13.1.1 Dismantling  Insert from one side then another, a screwdriver into the side slits as shown in the figure. ...

  • Page 79: Control Circuit

    13.2 Control circuit After opening the control panel, we can remove the control circuit board.  Disconnect the connectors that link the control circuit board to the main board.  In the models with stainless steel decorative panel we can also find a mass connection. ...

  • Page 80: Stiwa Coupling (Where Featured)

    13.5 Stiwa coupling (where featured) Remove the right side (see relevant paragraph) Pull out the small tube connecting it to the water dispenser Since the coupling is die-cast with the drain pipe (a single piece), in the event of a problem, the entire drain pipe has to be replaced entirely 13.6 Blades 13.6.1 Small blade...

  • Page 81: Cover

    13.7 Cover  Move the two hinge pivots inwards until they have been completely removed.  Lift up the cover and remove. 13.8 Water dispenser  Remove the detergent dispenser.  Remove the control panel.  Open the two clamps using a screwdriver, that block the pipes carrying water from the solenoid valves to the water dispenser.

  • Page 82: Sides

    13.9 Sides Removing the sides you can access all various parts of the washing machine.  Loosen the screws that secure the sides to the back panel.  Move the panels to the back of the washing machine in order to release them from the upper rails shown in the figure.

  • Page 83: Solenoid Valves

    13.11 Solenoid valves  Remove the flexible water flow pipe making sure firstly that you have closed the water low tap.  Remove the control panel.  Open the two clamps using a screwdriver, that block the pipes carrying water from the solenoid valves to the water dispenser. ...

  • Page 84: Motor Control Board

    13.13 Motor control board  Remove the left side panel.  Unscrew the two screws on the back part of the equipment and the side screws that lock the board support to the back panel.  Gently lift the whole board unit in order to release it ...

  • Page 85: Main Board

    13.14 Main board  Remove the right side panel.  Unscrew the two screws on the back part of the equipment and the side screws that lock the board support to the back panel.  Remove the earth fastons shown by the yellow arrow 1 (beware as they are fitted with an anti-removal latch) ...
  • Page 86 If it proves difficult to remove the protection from the connectors Also pull out the clamps that secure the drain pipe to the back panel. (During re-assembly, remember to ensure the pipe is secured to the back panel)  Disconnect the hooks fixing the connector protection on one side And on the other 86/105...
  • Page 87 First pull out the connector indicated by the arrow Position the board so as to facilitate the extraction of the other connectors When reassembling, repeat these steps in the reverse order When replacing the board, please refer to the code shown in the list of spare parts relating to the appliance. 87/105 Technical Support M.D.M.

  • Page 88: Front Panel

    13.15 Front panel Before removing the frontal piece place a support under the motor in order to make the operation easier.  Remove the two side screws that hold the frontal piece on to the inlet.  Remove the two side screws that hold the frontal piece to the base frame.

  • Page 89: Drum Light (Where Featured)

    13.17 Drum Light (where featured)  Open the laundry loading cover (optional).  Remove the side panels.  Remove the frontal piece. Before removing the frontal piece place a support under the motor in order to make the operation easier. ...

  • Page 90: Eco Spray Circuit

    13.18 Eco Spray Circuit  Drain off the water from the drain circuit  Remove the side panels.  Remove the frontal piece. Before removing the frontal piece place a support under the motor in order to make the operation easier. ...

  • Page 91: Transport Roll

    13.20 Transport roll  Remove the right side.  Slightly tilt the washing machine to the left.  Release the transport roll using the screwdriver and remove it by pushing downwards. 13.21 Bellow seal  Remove the left and right sides. ...
  • Page 92  Remove the bellow taking care not to ruin the 2 bases.  Grease the bellow again in the fastening area to make assembly easier.  Start re-assembling the bellow by inserting the lower part first.  Then insert the upper part. 92/105 Technical Support M.D.M.
  • Page 93  Check that the bellow is inserted properly by checking that the reference notches are positioned properly. External right and left sides. Inside frontal zone.  Insert the blocking rings.  Tighten them initially with your hands then block them with the aid of a pair of pliers.

  • Page 94: Inlet

    13.22 Inlet  Removing the cover.  Remove the detergent dispenser.  Remove the control panel.  Cut the upper cutting ring with a pair of pliers.  Release the bellow from the upper side.  Remove the water dispenser. ...
  • Page 95  Remove the 2 right screws and the 2 left screws that fasten the outlet to the column and back panel.  Unscrew the 2 back screws.  Gently lift the outlet from the back part.  Push it towards the back panel to free the front part held to the base by the fasteners.

  • Page 96: Counterweights

    13.23 Counterweights 13.23.1 Right counterweight The right counterweight weighs around 10 kg so take care when removing it. Dismantling.  Remove the right side panel  If there is an aluminium frame remove the 2 screws that hold the counterweight to it. ...

  • Page 97: Shock Absorbers

    13.24 Shock absorbers  Remove the left and right sides. Front shock absorber Rear shock absorber  Release the brass stop plugs positioned above and under each shock absorber.  Remove the shock absorbers. 97/105 Technical Support M.D.M. 599 77 13-17 Rev.01...

  • Page 98: Pulley

    13.25 Pulley  Remove the right side panel.  Before removing the belt check and make note of the belt's position on the motor axis.  Remove the central screws that hold the pulley.  Extract the pulley by pulling it outwards. ...

  • Page 99: Heating Element

    13.27 Heating element  Remove the right side panel.  Remove the electric connections.  Slacken the central screws located on the heating element (you don't have to remove the screw). Residual water could overflow wetting the motor.  Extract the heating element by pulling it outwards. 13.28 Drum rotation motor ...

  • Page 100: Drain Pump And Circulation Pump

    13.30 Drain pump and circulation pump 13.30.1 Bottom lid  Remove the left side panel.  Lay the appliance on its right side.  Remove the 6 screws.  Remove the bottom lid. Before refitting the bottom lid clean the slot runner well on the bottom of the washing machine and the slot base of the lid and fill it will silicone in order to make it fully seal-proof again.
  • Page 101 If the washing machine has a circulation system the drain pump will be inserted in a specific duct where the circulation pump is also inserted.  Disconnect the pump connectors.  Open the clamp that holds the pipe onto the pump outlet and remove it.
  • Page 102 13.31 Bearings  Remove the right and left sides according to the bearing that you are planning on dismantling.  Remove the central screw located in the pivot drum.  Also remove the belt and pulley from the pulley side. ...
  • Page 103 13.31.2 Bearing support unit with no seal ring  Clean the axis and slightly grease the seal.  Insert the seal making sure that the thin lip seal is positioned outwards.  Push the seal as far as it can go. The bearing unit is self-locking so do not tighten it excessively Bearing...
  • Page 104 13.32 Remove the washing unit.  Remove the 2 left and right sides.  Cut and remove the lower cutting ring on the bellow.  Release the bellow from the lower side.  If there is a spray pipe, slacken the clamp, release the clamp that holds it to the tub and remove it.
  • Page 105 REVISION: Revision Date Description Written by Approved by: XX – 0X/201X 10/2013 Document creation Page 52 Diagram modified and “Instantaneous door safety interlock” description added Page 56 ”/instantaneous” added and diagram modified Page 61÷64 added Page 65 ”/instantaneous” added and diagram modified XX –...

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Electrolux 8 series

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