Electrolux DIVA 60 cm Service Manual
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Electrolux DIVA 60 cm Service Manual

Electrolux DIVA 60 cm 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: 2003-01-20
SOI/DT 2003 - 01 eb
Publication no.
599 35 64-85
EN
1
SERVICE MANUAL
DISHWASHERS
Dishwasher with
EDW 1503 electronic
control system
(Functionalities)
DIVA 60 cm F.I.
(Totally integrated with
Prod. N. 911 936 ... )
Production:
ZM - Solaro (IT)
599 35 64-85

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Summary of Contents for Electrolux DIVA 60 cm

  • Page 1 ITALY S.p.A. (Functionalities) Publication no. Spares Operations Italy Corso Lino Zanussi, 30 DIVA 60 cm F.I. I - 33080 PORCIA /PN (ITALY) 599 35 64-85 (Totally integrated with Prod. N. 911 936 ... ) Fax +39 0434 394096...
  • Page 2 SOI/DT 2003 - 01 eb 599 35 64-85...

  • Page 3: Table Of Contents

    CONTENTS Purpose of this manual ........................... 5 PRECAUTIONS ............................5 GENERAL CHARACTERISTICS......................5 CONTROL PANEL..........................6 Control panel............................6 4.1.1 ON/OFF button (S0)............................6 Programme/Option buttons (S1÷S6) ....................6 4.2.1 Indicator LEDs (LD10÷LD12)........................7 4.2.2 Display ................................7 Washing programmes......................... 7 Options..............................8 4.4.1 “...
  • Page 4 Drying..............................25 7.1.1 “Turbo-dry” drying .............................25 Automatic cycle ............................. 26 Turbidity sensor ..........................26 8.1.1 Calculating the degree of soiling .......................26 8.1.2 Determination of the load..........................26 Automatic Programme ........................26 Alarms ..............................27 Table of alarms ..........................27 Diagnostics mode / Options ........................29 10.1 Accessing diagnostics mode......................

  • Page 5: Purpose Of This Manual

    1 Purpose of this manual The purpose of this Service Manual is to provide Service Engineers, who already have the basic knowledge necessary to repair household dishwashers, with technical information regarding dishwashers featuring the EDW1503 electronic control system. These appliances are manufactured at Solaro (Italy). The EDW1503 control system consists of a main circuit board and a control/display board.

  • Page 6: Control Panel

    4 CONTROL PANEL 4.1 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 (max.9) 4.1.1 ON/OFF button (S0) The ON/OFF button is featured on all models in the range, and is used to switch the appliance on and off. Switching off does not cancel the programme being executed.

  • Page 7: Indicator Leds (Ld10÷Ld12)

    4.2.1 Indicator LEDs (LD10÷LD12) The functionalities of the LEDs depend on the configuration software of each appliance. 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. Rinse-aid: indicates that the rinse-aid reservoir is empty.

  • Page 8: Options

    4.4 Options 4.4.1 “ 3 in 1 Tablet” This option can be selected by pressing the corresponding button, and remains in memory until the same button is pressed again. This option modifies the phases of the programme in order to optimize performance when “3 in 1”...

  • Page 9: Delayed Start

    4.5 Delayed start Proceed as follows to select the delayed-start time: 1. Open the door and switch the appliance on by means of the S0 button 2. Press the button repeatedly to select the delayed-start time which appears flashing on the display. The time increases every hour up to 19h [ ..19 0..

  • Page 10: Modifying A Programme

    4.6 Modifying a programme 4.6.1 Cancelling a programme (reset) To cancel a programme that has already started, proceed as follows: 1. Open the door carefully. 2. Press: buttons S2 - S3 together for approximately 2 seconds (the LED corresponding to the cycle being executed begins to flash).

  • Page 11: Buzzer

    4.8 Buzzer The buzzer sounds to indicate the end of cycle and in the event of an alarm condition. The buzzer sounds three times at the end of the cycle, but switches off immediately if the door is opened. If the user prefers to switch off the buzzer, it is necessary to press a combination of buttons. 4.8.1 Activating/disactivating the buzzer 1.

  • Page 12: Sequence Of Operations

    4.9 Sequence of operations 1. Open the door to access the controls. 2. Press S0 to switch the appliance on. 3. Select the desired programme. The display shows the time-to-end or the programme no. flashing. 4. Select the possible delayed start or the desired option (if featured) 5.

  • Page 13: Structural Characteristics

    5 STRUCTURAL CHARACTERISTICS 5.1 Structure The appliance as a whole may be considered as consisting of four main assemblies: BASE – DOOR – TUB – HYDRAULIC SECTION The four assemblies are enclosed in a structure consisting of: - A lower front panel (secured by two screws) - Two lateral panels (secured by six screws).

  • Page 14: Hydraulic Circuit

    5.3 Hydraulic circuit 1 - Fill hose 11 - Anti-overflow pressure switch 2 - Fill hose with Acquacontrol 12 - Sump assembly 3 - Fill solenoid 13 - Wash pump 4 - Regeneration solenoid 14 - Tube-enclosed heating element 5 - Air-Break 15 - Drain pump 6 - Steam condenser 16 - Non-return valve...

  • Page 15: Electrical Components And Their Functions

    6 ELECTRICAL COMPONENTS AND THEIR FUNCTIONS EDW1503 Electronic control system The EDW1503 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 Display LEDs Buttons...

  • Page 16: Specifications For Actuators And Sensors

    6.2 Specifications for actuators and sensors 6.2.1 Components TYPE OF ELECTRONIC TYPE OF COMPONENT POWER AVAILABLE CONTROL Wash pump Max 250W Triac Drain pump Max 100W Triac Heating element Max 2100W Relay Water fill solenoid Max 10W Triac Regeneration solenoid Max 10W Triac Detergent and Rinse-aid solenoid...

  • Page 17: 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 18: 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 (A) The anti-overflow pressure switch (B) ensures that the level of • water does not exceed the safety threshold (causing overflow from the door).

  • Page 19: 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 20: 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 21: 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 22: Disactivating The Rinse-Aid Function

    6.10 Disactivating the rinse-aid function Introduction of rinse-aid may be disactivated by the user by pressing a combination of buttons. In this case, the Rinse-aid LED (if featured) will also be disactivated. 1. Cancel any cycles that may have been selected. 2.

  • Page 23: Regeneration System

    6.12 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 24: Regeneration Levels

    6.14 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 25: Table Of Regeneration Values

    6.14.3 Table of regeneration values Water introduced Aperture of Position of Hardness of the between regeneration selector in Level Display water regeneration cycles solenoid the tub litres nº º F (TH) º D (dH) - - - 0 > 8 0 >...

  • Page 26: Automatic Cycle

    8 Automatic cycle 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 27: 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 28 Displayed Type of Display to the Description of the alarm condition Machine status Possible causes alarm user Heating Time-out The programme continues to the Heating element faulty; intervention of safety (the check takes place every 3 minutes: end without heating (the washing thermostats (open);...

  • Page 29: 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, start the diagnostics cycle and select the options available to Service Engineers.

  • Page 30: 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 or after effecting repairs to check whether it is repeated during the diagnostics test. 1. Access diagnostics mode (see 10.1) 2.

  • Page 31: 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 32: Disabling Pulse Washing

    10.5.2 Disabling pulse washing Certain programmes use the pulse washing system (PW). Using the procedure described below, the Service Engineer can modify this system so that Ctrl (continuous) washing is used in all those programme which normally use the PW system. This intensifies the washing action even in delicate programmes. Disactivation/activation mode 1.

  • Page 33: Electrical Functions

    11 ELECTRICAL FUNCTIONS 11.1 Electrical circuit diagram SOI/DT 2003 -01 eb 599 35 64-85...

  • Page 34: 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 35: Table Of Programmes

    11.3 Table of programmes The table below lists the phases of the programmes for this type of appliance. As these can be configured differently, refer to the relative documentation for the specific cycles available for each model. Extra Programmes Pre-wash Wash Cold Rinse 2nd Cold Rinse...

  • Page 36: Checking The Efficiency Of The Components

    11.4 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 37: Quick Guide To The Special Functions

    12 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. Function Activation of the function Starting the function Brief description / Comments Keys Led(s) Keys...

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