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Electrolux TC3 Service Manual

Washing machines with electronic control system
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SERVICE MANUAL

WASHING
TC3
TC2
Washing machines
with electronic control
ELECTROLUX HOME PRODUCTS
system
Customer Care - EMEA
Publication
Training and Operations Support
number
Technical Support
EWM10931
599 75 85-45
Functional characteristics
EN
INSPIRATION RANGE
Edition: 04/2012 - Rev. 00
TC3 TC2

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Summary of Contents for Electrolux TC3

  • Page 1: Service Manual

    SERVICE MANUAL WASHING Washing machines with electronic control ELECTROLUX HOME PRODUCTS system Customer Care - EMEA Publication Training and Operations Support number Technical Support EWM10931 599 75 85-45 Functional characteristics INSPIRATION RANGE Edition: 04/2012 - Rev. 00 TC3 TC2...
  • Page 2 Technical Support – ADL 2/43 599 75 85-45 Rev. 00...

  • Page 3: Table Of Contents

    Rapid reading of alarms ........................28 Deleting the last alarm ........................29 OPERATING TIME COUNTER ........................30 Reading the operating time ......................... 30 TC3 – TC2 stylings ......................... 30 6.1.1 Display of total operating time ......................30 OPTIONS ..............................31 Compatibility between options ......................

  • Page 4: 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 EWM/WD10931 electronic control system. Previous platforms (electronic/mechanical) used a safety pressure switch which controlled the minimum water level in the tub, beneath which the supply to the heating element was interrupted.

  • Page 5: Warnings

    For example: refer to the indications provided/illustrated in the <<metratester>> course at the address (http://electrolux.edvantage.net) on the Electrolux Learning Gateway portal. 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 6: Tc3 Styling

    3 TC3 STYLING 3.1 General characteristics The TC3 styling has a single ON/OFF button, all the other choices/adjustments are made by skimming your finger over the touch sensors, which replace the buttons used so far. In the event of problems with the touch sensors (difficulty selecting/adjusting them), clean and dry the display and do not wear gloves when setting the chosen programme.

  • Page 7: Control Panels

    3.1.2 Control panels 3.1.3 Styling Max. 1 Button Max. 9 sensors 14 position programme selector 22 LEDs 1 LCD Version WM Positioning of LEDs and sensors Technical Support – ADL 7/43 599 75 85-45 Rev. 00...

  • Page 8: Control Panel Configuration

    3.1.4 Control panel configuration The description below applies to both versions (washing machines and washer dryers), unless specified with Washing machines or Washer Dryers. The washing programmes, the functions of the selector knob (where featured) and the various sensors vary according to the model, since these are determined by the configuration of the appliance. 3.1.4.1 Programme selector (S1) The selector used is of the HI-FI type (the dial has no index and no...
  • Page 9 3.1.4.3 Sensors The function of each touch sensor is defined via the configuration of the appliance (the data and images are for guidance only). The touch sensors are positioned under the silk-screen printed symbols on the control panel (circled here in red). A light touch on the centre of the symbol is enough to activate/deactivate the function linked to the sensor with the switching on/off of the relative Led confirming that the enabling/disabling has taken place.
  • Page 10 Sensors – LEDs and LCD 3.1.4.4 The functions of each button are defined by the configuration of the appliance. Button no. 1: ON/OFF – ON This button is always included in all three stylings. Press it to turn the appliance on, at the same time the buzzer will sound a tone (if enabled), all the LEDS around the selector dial will light up for an instant and the LCD display stays off (figure above).
  • Page 11 Super rinse  Easy Iron  Pre-wash  Hot and cold water (only TC3 WM where featured)  Automatic drying (washer-dryer only) (see options)  Time-controlled drying (washer-dryer only) (see options) Depending on the option/choices, the programme duration time is updated (via the three digits).
  • Page 12  The information described below also appears on the LCD: Washing Machine The three icons shown have the following meanings, respectively: Wash Rinse Spin They are lit during the setting phase to display which phases are included in the programme. During the programme the icon for the phase in progress flashes, and when the phase has ended it remains lit continuously.
  • Page 13 End of cycle: End of the programme is indicated by a permanently lit zero (when the door can be opened). Appliance stopping with water in the tub, at the end of Programmes with the RINSE HOLD option, this is displayed by a permanently lit zero.
  • Page 14 3.1.4.5 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 button 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 15: Tc2 Styling

    4 TC2 STYLING 4.1 General characteristics The TC2 styling has a single ON/OFF button, all the other choices/adjustments are made by skimming your finger over the touch sensors, which replace the buttons used so far. In the event of problems with the touch sensors (difficulty selecting/adjusting them), clean and dry the display and do not wear gloves when setting the chosen programme.

  • Page 16: Control Panels

    4.2 Control panels 4.2.1 Styling Max. 1 Button Max. 10 sensors 14 position programme selector 22 LEDs 1 LCD 4.2.1.1 Version WM Positioning of LEDs and sensors Technical Support – ADL 16/43 599 75 85-45 Rev. 00...
  • Page 17 4.2.1.2 Control panel configuration The washing programmes, the functions of the selector knob (where featured) and the various sensors vary according to the model, since these are determined by the configuration of the appliance. 4.2.1.3 Programme selector (S1) Description: see para. 3.1.4.1 4.2.1.4 Programme configuration Description: see para.
  • Page 18 Description: see Button no. 1 on page 14 Sensor no. 2: TEMPERATURE See description on page 14 The only difference from the TC3 version is the representation of the cold cycle, which is represented by the cold symbol by two dashes to replace the Digits.
  • Page 19 Sensor no. 11: STORING A PROGRAMME This sensor is located beneath the sensor used to adjust the spin speed, allowing the user to store or recall a customised programme. When the selected programme has been optimised with the desired options, it can be stored in the memory, by touching the related sensor for approximately 3 seconds.
  • Page 20 The information described below also appears on the LCD: Programme phases Padlock Door closed sensor Hot Water: It lights up when the possibility of filling water through the related solenoid valve is enabled. Washing programme time Delayed Start: Selected on the related sensor. After START/PAUSE or the sensor is touched, the countdown starts and the delay time decreases hour by hour, from a minimum delay of 2 hours to a maximum of 20 hours (...
  • Page 21 Extra-rinse: Appliances which do not feature the sensor and related LED for the Extra rinse option can enable/disable this option by pressing a sensor combination (which may be silk-screen printed on the control panel or described in the instruction manual). This option is enabled/disabled during programme selection and is confirmed by the related symbol being turned on/off.

  • Page 22: Time Manager And Eco Manager

    4.2.2 Time Manager and Eco Manager The Time Manager is an option available in programmes for Cotton, Synthetics and Delicates and it is teamed with the Eco Manager. During the washing programme selection phase, the icons shown below light up in the display, if the selected programme manages it.
  • Page 23 4.2.2.1 Time Manager summary table This table shows: the Time Manager levels and the corresponding icon shown on the LCD display depending on the fabrics. 8 Levels 8 Levels 4 Levels 4 Levels COTTON SYNTHETICS DELICATES ECONOMY index Option Segments Option Segments Option...

  • Page 24: Diagnostics System

    In the first position, the operation of the sensors, the LEDs and the groups of symbols shown on the LCD display is checked; For the TC3 and TC2 styling: When the programme selector is turned in a clockwise direction, operation of the various components is diagnosed and the alarms are read (see diagnostic test on the next page).

  • Page 25: Phases Of The Diagnostics Test

    5.3 Phases of the diagnostics test 5.3.1 TC3 – TC2 styling Irrespective of the type of PCB and the configuration of the programme 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 26 - Door safety interlock - Wash solenoid valve, if the water in the tub is not Door closed enough to cover the heating Check for leaks Water level above the element from the tub heating element Drum speed in - Motor (55 rpm clockwise, rpm/10 55 rpm anti-clockwise, 250 rpm pulse)

  • Page 27: Alarms

    5.4 Displaying the alarms to the user When a problem occurs in the appliance, the LCD display shows a “WARNING”: In stylings TC3 and TC2 with a code (in the three digits, where the time until the end of the cycle is represented).

  • Page 28: Reading The Alarms

    5.5 Reading the alarms The last three alarms stored in the FLASH memory of the PCB can be displayed: 5.5.1 TC3 – TC2 styling Enter the diagnostic mode (para. 7.1). Irrespective of the type of PCB and configuration, turn the programme selector knob clockwise to the eleventh position, the last alarm will be displayed.

  • Page 29: Deleting The Last Alarm

    5.7 Deleting the last alarm It is good practice to cancel the alarms stored: After reading the alarm codes, to check whether the alarm re-occurs during the diagnostic cycle. After repairing the appliance, to check whether it re-occurs during testing. 1.

  • Page 30: Operating Time Counter

    Only whole hours of operation are counted (1 hr and 59 min = 1 hr). 6.1 Reading the operating time 6.1.1 TC3 – TC2 stylings The operations listed below must be carried out within 7 seconds. Do not start the procedure with your fingers over the combination sensors 1.

  • Page 31: Options

    7 OPTIONS 7.1 Compatibility between options OPTIONS Rinse hold Night cycle Pre-wash/Soak (*) Stains Super rinse Easy-iron Economy TM 8 (Intensive) TM 7 (Normal) TM 6 (Daily) TM 5 (Light) TM 4 (Quick) TM 3 (Super Quick) TM 2 Aquasol Max steam Medium steam Minimum steam...

  • Page 32: Description Of Options

    7.2 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. To drain the water, simply press the START/PAUSE button to run the drain and spin cycles. Pre-wash Adds a pre-wash phase at the start of the cycle with water heating to 30°C (or cold, if selected).
  • Page 33 “untangling” phase after the pulse spin cycle Hot & Cold Water (only for TC3 styling with pre-set connection) Touch this sensor to select. Technical Support – ADL 33/43 599 75 85-45 Rev.

  • Page 34: Alarm Summary Table

    8 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 Cycle is paused with door locked START/RESET ...
  • Page 35 Action Description Possible fault Reset Machine status  Wiring; Electronic pressure switch. Malfunction in electronic pressure Cycle stops with door locked RESET  Main electronic circuit board. switch circuit  Drain tube kinked/clogged/improperly positioned.  Solenoid valve faulty.  Drain filter clogged/dirty. Calibration error of the electronic ...
  • Page 36 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. Problems with door lock Cycle is paused START/RESET...
  • Page 37 Action Description Possible fault Reset Machine status  Faulty wiring. No signal from motor tachometric ON/OFF  Motor faulty. Cycle blocked with door locked after 5 attempts generator RESET  Inverter board faulty.  Motor-inverter wiring faulty. Inverter is drawing too much ON/OFF ...
  • Page 38 Action Description Possible fault Reset Machine status  Faulty wiring.  NTC probe for wash cycle faulty. Insufficient heating during the The heating phase is skipped START/RESET  Heating element faulty. washing phase  Main circuit board faulty.  Faulty wiring. Overheating during washing ...
  • Page 39 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. Fault in NTC sensor on drying ...
  • Page 40 Action Description Possible fault Reset Machine status  Faulty wiring. Communication error between  Control/display circuit board faulty. ---------------- RESET main PCB and display board  Main circuit board faulty. Communication inconsistency  Incorrect control/display board. between main PCB and display Cycle blocked ON/OFF ...
  • Page 41 Action Description Possible fault Reset Machine status  Faulty wiring. Cycle stops with door locked Electronically controlled valve  Solenoid valve faulty/blocked. Drain pump continues to operate (5 mins. on, RESET blocked with operating flowmeter  Circuit board faulty. then 5 min. off, and so on) ...
  • Page 42 Action Description Possible fault Reset Machine status  Problem with the power supply network (incorrect/disturbed). Appliance power supply Wait for nominal frequency conditions ON/OFF  Main circuit board faulty. frequency out of limits  Problem with the power supply network (incorrect/disturbed). Supply voltage too high Wait for nominal voltage conditions ON/OFF...
  • Page 43 Revision Date Description Author Approved by: 04/2012 Document creation...

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Tc2Tc1

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