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: 2005-10
SOI/TD-PR
Publication
number
599 37 31-43
EN
1
SERVICE MANUAL
DISHWASHER
Dishwasher with
electronic control
EDW 2500-LCD
& "Talkie"
(Functionality)
"DIVA"
60 cm
"free-standing"
911 918 ...
"built-in"
911 928 ...
Production:
ZM - Solaro (IT)

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Summary of Contents for Electrolux DIVA 60 cm

  • Page 1 SERVICE MANUAL DISHWASHER Dishwasher with electronic control EDW 2500-LCD © ELECTROLUX HOME PRODUCTS Publication & “Talkie” number ITALY S.p.A. (Functionality) Spares Operations Italy Corso Lino Zanussi, 30 “DIVA” 60 cm I - 33080 PORCIA /PN (ITALY) 599 37 31-43 “free-standing”...

  • Page 2: Table Of Contents

    CONTENTS PRECAUTIONS ............................4 GENERAL CHARACTERISTICS......................4 CONTROL PANEL..........................5 LCD ..............................5 “Talkie” Version ..........................6 3.2.1 Vocal messages............................7 Controls ............................10 3.3.1 Turning the appliance on and off (S0).......................10 3.3.2 Selecting programmes ..........................10 3.3.3 Selecting options............................10 WASHING ............................. 11 Wash programmes........................
  • Page 3 SERVICE .............................. 29 Accessing the diagnostic mode ....................29 Displaying alarms and activating individual components.............. 30 9.2.1 Table of alarm codes ..........................31 Cancelling alarms from memory ....................33 Test cycle ............................33 Disabling / enabling pulse washing....................33 Enabling / disabling an extra rinse ....................34 Brightness .............................

  • Page 4: Precautions

    “Talkie” functionality, which are produced in the Solaro (MI - Italy) factory. For detailed information on the water circuits and build characteristics of the appliance, refer to the Service Manual for the “DIVA 60 cm” (publication no. 599 35 55-25 e 599 35 87-82). 1 PRECAUTIONS Electrical equipment must be serviced by qualified personnel, only.

  • Page 5: Control Panel

    3 CONTROL PANEL The configuration of the control panel may vary with: Brand and appearance of unit Type of dishwasher: free-standing or built-in Type of circuit boards used Number of buttons for selecting programmes Number of buttons for selecting options Number of LEDs and/or configuration of LCD 3.1 LCD These models use a new LCD display which can display the most common languages and all letters...

  • Page 6: Talkie" Version

    3.2 “Talkie” Version Some EDW2500 dishwasher models features also the “Talkie” functionality. These models are configured so that they can communicate in different languages according to the brand/market. The “Talkie” version of the EDW2500 features a speaker contained in a plastic box (figg. A and B), hooked to the tie and screwed to the hinge, positioned on the left front side of the inner door (fig.

  • Page 7: Vocal Messages

    3.2.1 Vocal messages During the setting of the washing programme three types of vocal messages can be heard: • messages that explain the utility of the programme and describe the various options • messages that confirm the selection of the option •...
  • Page 8 50° ECO PLATE WARMER AUTOMATIC 70° INTENSIVE 55° SHORT 20 MINUTES EAT-LOAD-RUN Very dirty pots and dishes daily use. Automatically adjusts times, temperatures and consumption according to the quantity and dirtiness of dishes. normally dirty dishes with minimum consumption fragile glasses and dishes not very dirty dishes daily use, washing at 65°C rinse dishes awaiting subsequent complete washing...
  • Page 9 You can adjust the volume of all the acoustic signals The required volume has been stored You can activate or deactivate rinse aid dispensing. The modification is valid only if you have selected the 3in1 detergent option. Rinse aid dispensing is selected Rinse aid dispensing is deselected You can adjust the water softener according to water hardness The required water hardness has been stored...

  • Page 10: Controls

    3.3 Controls 3.3.1 Turning the appliance on and off (S0) The ON/OFF button with corresponding LED L0 is installed on all models. The S0 button is used to turn the unit on and off. Turning off the unit with the S0 button does not cancel the programme in progress. Important! If the unit is plugged in, mains voltage is present on all circuit boards even when the ON/OFF button is not pressed (when appliance is shut off).

  • Page 11: Washing

    4 WASHING 4.1 Wash programmes Possible options Min. ~ Programme ♦ Intensive (maximum speed) ☺ ☺ ☺ ☺ ☺ 120’ ♦ Short Intensive ☺ ☺ ☺ ☺ ☺ 88‘ ♦ Normal (maximum speed) ☺ ☺ ☺ ☺ ☺ 100‘ ♦ Delicate ☺...

  • Page 12: Selecting A Programme

    Detection of load The quantity of dishes loaded (full or 1/2 load) temperature is detected during the first heating phase in the 1/2 load washing cycle by measuring the speed of water temperature increase (NTC sensor, connector H8). threshold Full load: when the slope of the curve is less than the programmed standard threshold full load Half load when the slope of the curve is...

  • Page 13: Cancelling A Programme

    4. Press the “OK/START” button to confirm the choice and start the cycle 5. At this point, the LCD will display advisories, for example, such as no salt and/or no rinse-aid in the machine (on free-standing models, text will appear against a red background) Correct the problems displayed NB: If the 3-in-1 detergent option has been chosen, the no rinse-aid advisory is disabled 6.

  • Page 14: Options

    4.3 Options Every dishwasher with the EDW2500 control system is equipped with an “Options” button: 1. When Options button is pressed repeatedly, all available options are displayed in sequence All available options are displayed on the LCD in sequence The LCD shows the current setting for the option displayed 2.

  • Page 15: Buzzer Volume

    4.3.7 Buzzer volume: When this option is set, it remains set until the setting is changed. The option is used to vary the volume of the buzzer and of the vocal messages from 0 to 5. The “buzzer disabled” icon appears on the display when the setting is “0”.

  • Page 16: Sequence Of Operations

    4.4 Sequence of operations 1. Close the door and press button S0 to turn the appliance on: LED L0 lights up The LCD display lights up with a welcome message and then flashes the last programme run 2. Select delayed start if desired (see 4.3.10) and/or any desired options 3.
  • Page 17 7. To cancel a programme in progress: Press the “Cancel” button The display will show “Interrupt?” Press the “OK/START” button to confirm cancellation 8. At the end of the programme: The buzzer sounds a number of times The display shows END OF CYCLE and SWITCH OFF 9.

  • Page 18: Build Characteristics

    5 BUILD CHARACTERISTICS 5.1 Structure The appliance can be subdivided into four main assemblies: - BASE AREA – DOOR AREA – TUB AREA – WATER UNIT The machine is housed in an assembly of individual removable parts composed of a front panel at the bottom and two side panels.

  • Page 19: Hydraulic Circuit

    5.2 Hydraulic circuit LEGEND 1 - Fill hose 11 - Anti-overflow pressure switch 2 - Fill hose with "Acquacontrol" device 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...

  • Page 20: Electrical Components And Functions

    6 ELECTRICAL COMPONENTS AND FUNCTIONS 6.1 EDW2500 electronic control system The EDW2500 electronic control system consists of: • On free-standing models, figure A: the system is composed of a main (input) board (fig. C, on the left, which includes the ON/OFF button) and an display (output) board (fig. D, on the right) equipped with an LCD, •...

  • Page 21: Functions Performed By The Mother Board

    6.1.1 Functions performed by the mother board INPUT AND OUTPUT BOARDS LEDs Buttons Display μP ELECTRIC SENSORS LOADS (Buzzer) MAIN BOARD Acquires cycle programming and commands through the input and output boards. Powers all the electrical components (solenoids, wash pump, detergent/rinse-aid dispenser, drain pump, heating element, fan motor) Controls the temperature of the wash water using a signal from an NTC sensor, and controls the speed of the wash pump using a signal from a tachometric generator.

  • Page 22: Electrical Specifications

    6.2 Electrical specifications 6.2.1 Actuators/Sensors/NTC TYPE OF COMPONENT POWER RATING TYPE OF 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 Max 10W Triac solenoid...

  • Page 23: Anti-Flooding Device

    The water level in the sump is controlled by pressure switch (RL). The circuit board constantly monitors the status of the pressure switch through the “sensing” line connected to connector E1: “EMPTY” if contacts 1-2 are closed “FULL” if contacts 1-3 are closed 7.1.3 Anti-flooding device When the anti-flooding device is tripped, contacts (DA) on the relative microswitch open and cut off...

  • Page 24: Water Filling Time

    7.3 Water filling time The maximum time that the fill solenoid stays open is subdivided over the various sub-phases in the fill cycle. 7.3.1 Static filling time S.T. = max 90 seconds: this is the maximum time allowed for the pressure switch to switch to FULL.

  • Page 25: Level Control During Washing

    7.5 Level control during washing When the fill phase is complete, the appliance shifts to the washing phase. During this phase, which is executed with cold or heated water, the status of the pressure switch is monitored constantly to ensure that the water system is operating efficiently, and the water level is topped up if necessary.

  • Page 26: Built-In Detergent Dispenser

    Built-in detergent dispenser This dispenser consists of a plastic container divided into two separate compartments which contain detergent (A) and rinse-aid (B). It is engaged by a single coil connected to a mechanical system that actuates both functions. When the coil is activated, it moves a set of levers that engage the mechanism, which first delivers the detergent and then delivers the rinse-aid.

  • Page 27: Regeneration System

    7.9 Regeneration system Regeneration of the water softening system, which takes around 4 min, is usually performed at the start of the drying phase. Every time regeneration is performed (with activation of regeneration solenoid 4), the accumulation chamber is completely emptied of its contents (about 230 cc of water).

  • Page 28: Blending" Function

    7.11.1 “Blending” function This function is performed inside the fill tank during the water fill phase. Depending on the position of the selector, softened water is automatically blended with the unsoftened water present in the appliance. The softened water is introduced from the softening system into the sump, while the unsoftened water flows (through the open by-pass valve) directly into the tank through the steam venting ring.

  • Page 29: Service

    9 SERVICE A single procedure is used to access the diagnostic mode, also known as the Service mode. Once this mode is accessed, the serviceman can: • read / cancel alarms • check the various components in the appliance for proper operation •...

  • Page 30: Displaying Alarms And Activating Individual Components

    9.2 Displaying alarms and activating individual components 1. Access the diagnostic mode (see 9.1) 2. Press button Ok/Start to begin displaying alarms: The display shows the last alarm that has occurred (to decode the alarm, see the table of alarms). 3.

  • Page 31: Table Of Alarm Codes

    9.2.1 Table of alarm codes When an abnormal situation occurs that may interfere with machine functioning, the main board activates a safety system which in most cases interrupts the washing cycle. The last three alarm situations are stored in memory. Using a special procedure, service personnel can display all the alarms stored in memory. The user is only shown four of the alarms.
  • Page 32 Heating time-out Faulty heating element; Safety thermostats have The programme is fully executed (heating is checked every 3 tripped (open); Faulty wiring; Faulty NTC sensor minutes: the temperature must without heating (and with poor (poor thermal contact); Poor water circulation in increase by a certain value every washing performance) tub;...

  • Page 33: Cancelling Alarms From Memory

    9.3 Cancelling alarms from memory Every alarm should be cancelled after it has been read and after the appliance has been repaired. When the next diagnostic test is run, this will enable the serviceman to know whether the alarm has occurred again.

  • Page 34: Enabling / Disabling An Extra Rinse

    9.6 Enabling / disabling an extra rinse The following procedure can be used to include a supplementary rinse in all wash programmes, which improves rinsing action. To add an extra rinse: 1. Access the diagnostic mode (see 9.1) 2. Press button Options repeatedly until the following message appears on the display: EXTRA RINSE NO (when NO flashes, the extra rinse is disabled) 3.

  • Page 35: Circuit Diagrams

    10 CIRCUIT DIAGRAMS 10.1 “Free-standing” model...

  • Page 36: Talkie - Free-Standing" Model

    10.2 “Talkie - Free-standing” model...

  • Page 37: Built-In" Model

    10.3 “Built-in” model...

  • Page 38: Talkie - Built-In" Model

    10.4 “Talkie - Built-in” model...

  • Page 39: Basic Circuit Diagrams

    11 BASIC CIRCUIT DIAGRAMS 11.1 “Free-standing” model CO = Capacitor TAC/T = Tachometric generator AR = Orange MR = Terminal block PA = Anti-overflow level switch NE = Black DD = Detergent/rinse-aid TS = Safety thermostat BI = White MV = Fan motor RR = Heating element RO = Pink dispenser...

  • Page 40: Talkie - Free-Standing" Model

    11.2 “Talkie – Free-standing” model...

  • Page 41: Built-In" Model

    11.3 “Built-in” model...

  • Page 42: Talkie - Built-In" Model

    11.4 “Talkie – Built-in” model...

  • Page 43: Checking Components For Proper Operation

    11.5 Checking components for proper operation To make it easier to check components, a TEST PROCEDURE has been developed which indicates the points where tester probes should be applied and the correct theoretical value for each component. Access the electronic board positioned on the basement and detach all the connectors. Connect the probes of the tester to the appropriate points.

  • Page 44: 12 "Demo" Mode

    12 “DEMO” mode To demonstrate the operation of the machine, a function has been provided which executes an accelerated simulated washing cycle that includes all phases in the cycle and is realistically displayed on the LCD. This operating mode is called DEMO. During the demonstration of the washing cycle, the machine does not fill with water from the water system in the building (so demonstrations can be carried out in the dealer’s showroom);...
  • Page 45 To interrupt a “demo-cycle” in progress: 1. Press "Cancel" button once 1. INTERRUPT now appears on the display? 2. Press "OK/START" button to confirm The following messages alternate on the display: SET THE CYCLE DEMO ACTIVE NB: If the cycle that was running still flashes on the display (this happens in the CONTINUOUS mode): Press "Cancel"...

  • Page 46: Quick Guide

    13 QUICK GUIDE USER OPTIONS: Every dishwasher with an EDW2500 control unit is equipped with an “Options” button: Press options button repeatedly until the desired function appears on the display. The table below contains a brief description of the special functions available to the user: Option or Method of selection Method of activation...
  • Page 47 SERVICE OPTIONS: A single procedure is used to access the diagnostic mode, which is reserved for Service personnel: Press and hold down buttons Options and Ok/Start at the same time Turn on the appliance using button S0 The LCD display lights up with a welcome message The first item in the diagnostic mode appears When button Options is pressed repeatedly, the service functions available on the appliance appear in sequence.

  • Page 48: Table Of Programmes

    14 TABLE OF PROGRAMMES The following table lists the steps in the programmes that are available on this type of appliance: Extra Options Programmes Prewash Wash Rinse Dry. rinse rinse Programme (∆T) (∆T) (∆T) ∆T 2x3’ 5’ Intensive (max speed) - - - - - - - ∆T +10' ctrl ∆T +5'...

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