Electrolux Diva Service Manual
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Electrolux Diva Service Manual

Electrolux Diva Service Manual

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© ELECTROLUX HOME PRODUCTS ITALY S.p.A.
Spares Operations Italy
Corso Lino Zanussi, 30
I - 33080 PORCIA /PN (ITALY)
Fax +39 0434 394096
Edition: 2006-02
SOI/TD PR
SERVICE MANUAL
Publication no.
599 35 90-23
EN
1/35
DISHWASHERS
Dishwasher with
EDW1100 electronic
control system
(Functionalities)
"DIVA"
Production:
ZM - Solaro (IT)
599 35 90-23

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  • Page 1 SERVICE MANUAL DISHWASHERS Dishwasher with EDW1100 electronic control system © ELECTROLUX HOME PRODUCTS ITALY S.p.A. Publication no. (Functionalities) Spares Operations Italy Corso Lino Zanussi, 30 “DIVA” I - 33080 PORCIA /PN (ITALY) 599 35 90-23 Fax +39 0434 394096 Production:...
  • Page 2 SOI/TD PR 2/35 599 35 90-23...

  • Page 3: Table Of Contents

    CONTENTS Purpose of this manual ........................5 PRECAUTIONS ..........................5 GENERAL CHARACTERISTICS......................5 AESTHETIC CHARACTERISTICS: ....................6 CONTROL PANEL ..........................7 4.1.1 Control panel..............................7 4.1.2 ON / OFF button (S0)............................7 4.1.3 Programme/Option buttons (S1÷S6)......................7 4.1.4 Programme indicator LED..........................7 4.1.5 Indicator LEDs ..............................8 4.1.6 Display ................................8 Options..............................
  • Page 4 Table of alarms ..........................25 Diagnostics mode / Options......................27 10.1 Accessing diagnostics mode ......................27 10.2 Reading the alarms and activating the individual components ............27 10.3 Cancelling alarm codes from memory / Testing the LEDs ..............28 10.4 Functional testing cycle ........................

  • Page 5: Purpose Of This Manual

    For more detailed information regarding the hydraulic circuits and the structural characteristics of the appliances, refer to the Service Manual for presentation of the “DIVA” structure 599 35 55-25. As regards the electric/electronic diagrams for a specific model please refer to spare parts list.

  • Page 6: Aesthetic Characteristics

    4 AESTHETIC CHARACTERISTICS: Control panel with the maximum configuration: - VERTICAL Version Control panel with the maximum configuration: - HORIZONTAL Version Control panel with the maximum configuration with display: - VERTICAL Version Control panel with the maximum configuration with display: - HORIZONTAL Version SOI/TD PR 6/35 599 35 90-23...

  • Page 7: Control Panel

    4.1 CONTROL PANEL 4.1.1 Control panel The configuration of the control panel depends on the following: Number of programme selection buttons (from a minimum of 3 to a maximum of 6) Number of LEDs or presence of the one-digit display ON/OFF button [S0] - [S1] …...

  • Page 8: Indicator Leds

    4.1.5 Indicator LEDs The indicator LEDs provide the user with the following information: End of cycle: this LED is featured on all models. Salt: indicates that the salt reservoir is empty. If the level of regeneration is set to “1” (no regeneration), this LED remains unlit at all times.

  • Page 9: Delayed Start

    4.2.5 Delayed start To select the delayed-start time: 1. Press button S0 to switch on the appliance. 2. Press a button to select the desired programme: the corresponding LED lights: for ex. S2, the relative LED lights up. 3. Press the button repeatedly to select the delayed-start time: •...

  • Page 10: Cancelling A Programme

    4.3 Cancelling a programme 4.3.1 Reset To cancel a programme that has already started: 1. Open the door carefully and press buttons S2 - S3 together for approximately 2 seconds. 2. The salt and rinse-aid LEDs light: the programme is cancelled and the appliance is in pre-selection mode.

  • Page 11: Sequence Of Operations

    4.5 Sequence of operations 1. Press S0 to switch the appliance on. All the LEDs corresponding to the programme/ option buttons light. 2. Press the button corresponding to the desired programme. The corresponding LED remains lit and the relative cycle phase LED starts flashing. 3.

  • Page 12: Hydraulic Circuit

    5 HYDRAULIC CIRCUIT 1 - Fill hose 11 - Anti-overflow pressure switch 2 - Fill hose with "Aquacontrol" device 12 - Sump assembly 3 - Fill solenoid 13 - Washing pump 4 - Regeneration solenoid 14 - Tube-enclosed heating element 5 - Air-Break 15 - Drain pump 6 - Steam condenser...

  • Page 13: Electrical Components And Their Functions

    ELECTRICAL COMPONENTS AND THEIR FUNCTIONS 6.1 EDW1100 Electronic control system The EDW1100 control system consists of a main circuit board and a control/display board. Both boards are housed in a plastic container. 6.1.1 Functions of the circuit board DISPLAY BOARD LEDs Buttons μP...

  • Page 14: Specifications For Actuators And Sensors

    The main circuit board features an EEPROM memory (external to the microprocessor) which stores in memory data relative to the configuration, description of the cycle, cycle status in case of a power failure, and any alarm conditions. The configuration data (entered in the factory using a computer with a DAAS interface) determine the functionalities of the appliance (number and type of programmes, options, LEDs etc.).

  • Page 15: Power Supply And Programme Selection

    6.3 Power supply and programme selection The main board is powered by the closure of contacts 1-5 and 2-4 of the ON/OFF button (PU). The connectors used in this case are A2 (neutral) and B1 (line). The control/display board (user interface) is powered at 5V by the main board, making programme selection possible.

  • Page 16: Fill Circuit

    6.4 Fill circuit 6.4.1 Level and anti-overflow pressure switch • The level of water introduced into the appliance is determined by the level pressure switch • The anti-overflow pressure switch ensures that the level of water does not exceed the safety threshold (causing overflow from the door).

  • Page 17: Control Of Water Fill Phase

    6.5 Control of water fill phase The quantity of water necessary to carry out the washing cycle is determined exclusively by the closure of the electrical contact of the pressure switch, which changes from EMPTY to FULL. This system ensures that, if the pressure switch re-opens on EMPTY, further water is introduced until it returns to FULL.

  • Page 18: Level Stability During Washing

    6.7 Level stability during washing Once the fill phase has been completed, the cycle proceeds to the washing phase. The washing phase is carried out using cold or heated water, and the status of the pressure switch is monitored constantly to ensure that the hydraulic system functions correctly.

  • Page 19: Heating

    6.9 Heating The heating element is enclosed in a protective tube, and is used to heat the washing water (but does not switch on during the drying phase). The heating element is fitted to the outlet of the washing pump and connected to the duct which feeds the upper spray arm.

  • Page 20: Disactivating The Rinse-Aid Function

    6.11 Deactivating the rinse-aid function Introduction of rinse-aid may be deactivated by the user by pressing a combination of buttons. In this case, the Rinse-aid LED (if featured) will also be deactivated. 1. Cancel any cycles that may have been selected (see 4.3.1).

  • Page 21: Regeneration System

    6.13 Regeneration system Regeneration of the softening system, whose duration is approximately 4 minutes, is normally performed at the beginning of the drying phase. Each time regeneration is performed (the regeneration solenoid 4 is energized), the chamber is completely emptied (about 230 cc of water). Regeneration is controlled by the electronic control system “Ad Hoc”, i.e.

  • Page 22: Regeneration Levels

    6.15 Regeneration levels The counter for execution of the “Ad Hoc” regeneration process is governed by the electronic control system on the basis of the duration of the fill phases (i.e. the quantity of water introduced), and NOT on the number of cycles.

  • Page 23: Table Of Regeneration Values

    6.15.3 Table of regeneration values Water introduced Aperture of Position of Number of “end of Hardness of the between regeneration selector in Level cycle” LED flashes water regeneration cycles solenoid the tub nº Litres nº º F (TH) º D (dH) - - - 0 >...

  • Page 24: Automatic Cycle (Only On Some Models)

    8 Automatic cycle (only on some models) 8.1 Turbidity sensor Certain models which feature the turbidity sensor may also feature a special “automatic” programme which optimizes the cycle according to the size of the load and the degree of soiling. This sensor is positioned externally to the sump, in direct contact with the water.

  • Page 25: Alarms

    9 Alarms In the event that an abnormal situation should occur which might affect the correct operation of the appliance, the circuit board causes a safety system to intervene. In most cases, this interrupts the washing cycle. The last three alarm conditions are stored in memory. Using a special procedure available only to Service Engineers, it is possible to read all the alarms stored in memory.
  • Page 26 No. flashes Displayed Type of of end-of- to the Description of the alarm condition Machine status Possible causes alarm cycle LED user and “beeps” Heating element faulty; intervention of safety Heating Time-out The programme continues to the thermostats (open); wiring faulty; NTC sensor (poor (the check takes place every 3 minutes: end without heating (the washing thermal contact);...

  • Page 27: Diagnostics Mode / Options

    10 Diagnostics mode / Options A single procedure can be used by Service Engineers to access the diagnostics system. After accessing diagnostics mode, the Engineer can: • Read / cancel the alarms • Check for correct operation of the various components of the appliance •...

  • Page 28: Cancelling Alarm Codes From Memory / Testing The Leds

    10.3 Cancelling alarm codes from memory / Testing the LEDs It is good practise to cancel the alarm codes: • after reading the alarm code, to check whether it is repeated during the diagnostics test. • after effecting repairs, to check whether it is repeated during testing. 1.

  • Page 29: Options Available To Service Engineers

    10.5 Options available to Service Engineers In particular circumstances, i.e. if the user reports unsatisfactory washing results, a special procedure, available only to Service Engineers, can be used to select two supplementary options designed to improve performance: • Extra cold rinse. •...

  • Page 30: Electrical Functions

    11 ELECTRICAL FUNCTIONS 11.1 Electrical circuit diagram SOI/TD PR 30/35 599 35 90-23...

  • Page 31: Basic Circuit Diagram

    11.2 Basic circuit diagram 11.2.1 Key to circuit diagram CO = Capacitor PA = Anti-overflow pressure TAC/T = Tachymetric generator AR = Orange MR = General terminal block NE = Black DD = Detergent/ Rinse-aid switch TS = Safety thermostat BI = White MV = Fan motor RO = Pink...

  • Page 32: Table Of Programmes

    12 Table of programmes 12.1 60cm Dishwashers The table below lists the phases of the programmes for this type of appliance: 60cm dishwashers. As these can be configured differently, refer to the relative documentation for the specific cycles available for each model. Programmes Prewash Wash...

  • Page 33: 45Cm Dishwashers

    12.2 45cm Dishwashers The table below lists the phases of the programmes for this type of appliance: 45cm dishwashers. As these can be configured differently, refer to the relative documentation for the specific cycles available for each model. Programmes Prewash Wash Cold rinse Extra rinse...

  • Page 34: Checking The Efficiency Of The Components

    14 Checking the efficiency of the components In order to facilitate the control procedure for the components to be tested, a TEST PROCEDURE has been created which indicates the point to which the probes of the tester should be applied and the correct theoretical value for each component tested.

  • Page 35: Quick Guide To The Special Functions

    15 QUICK GUIDE TO THE SPECIAL FUNCTIONS The table below briefly describes how each of the special functions available to the user and to the Service Engineer can be used. The display does not indicate any function neither of Service nor User. Function Activation of the function Starting the function...

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