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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 31-44
EN
1
SERVICE MANUAL
DISHWASHER
Dishwasher with
electronic control
EDW 2503-LCD
& "Talkie"
(Functionality)
"DIVA"
60cm
"DIVA BIG"
60cm
"totally integrated"
911 938 ... 911 988...
Production:
ZM - Solaro (IT)
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Table of Contents
Related Manuals for Electrolux Talkie
Summary of Contents for Electrolux Talkie
- Page 1 SERVICE MANUAL DISHWASHER Dishwasher with electronic control EDW 2503-LCD ELECTROLUX HOME PRODUCTS Publication & “Talkie” number ITALY S.p.A. (Functionality) Spares Operations Italy Corso Lino Zanussi, 30 “DIVA” 60cm I - 33080 PORCIA /PN (ITALY) 599 37 31-44 “DIVA BIG”...
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Page 3: Table Of Contents
Turning the appliance on and off (S0) ..................7 3.2.2 Selecting programmes........................7 3.2.3 Selecting options .......................... 7 3.2.4 Reset ............................7 “Talkie” Version ..........................8 3.3.1 Vocal messages ........................... 9 WASHING ............................. 12 Wash programmes........................12 4.1.1 Automatic programme ........................ 12 Selecting a programme ......................... - Page 4 Disabling / enabling pulse washing....................32 Enabling / disabling an extra rinse ....................33 Brightness ............................. 33 Setting the water hardness ......................33 CIRCUIT DIAGRAM..........................34 10.1 “Talkie” ............................35 BASIC CIRCUIT DIAGRAM........................36 11.1 “Talkie” ............................37 11.2 Checking components for proper operation.................. 38 QUICK GUIDE ............................
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Page 5: Precautions
EDW2503 electronic control system with/without “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”... -
Page 6: Control Panel
3 CONTROL PANEL The configuration of the control panel may vary with: Brand and appearance of unit 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 of the alphabet, numbers and symbols. -
Page 7: Controls
3.2 Controls 3.2.1 Turning the appliance on and off (S0) The ON/OFF button 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 8: Talkie" Version
3.3 “Talkie” Version Some EDW2503 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 9: Vocal Messages
3.3.1 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 10 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 11 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...
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Page 12: Washing
4 WASHING 4.1 Wash programmes Possible options Min. ~ Programme ♦ Intensive (maximum speed) ☺ ☺ ☺ ☺ ☺ 120’ ♦ Short Intensive ☺ ☺ ☺ ☺ ☺ 88‘ ♦ Normal (maximum speed) ☺ ☺ ☺ ☺ ☺ 100‘ ♦ Delicate ☺... -
Page 13: Selecting A Programme
Full load: when the slope of the curve is less than the programmed standard threshold Half load when the slope of the curve is greater than programmed standard threshold. Phases in the automatic programme Shown below are the variations in programme phases which are made as a function of dirt level and load. -
Page 14: Cancelling A Programme
4.2.1 Cancelling a programme To cancel a programme after it has been started: 1. Open the door carefully • The LCD shows the message “Close the door” 2. Simultaneously press the buttons associated to the “Cancel” function: • The LCD shows the message “Interrupt?” 3. -
Page 15: 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 16: 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 17: Sequence Of Operations
4.4 Sequence of operations 1. Open the door and press S0 button: The LCD display lights up with a welcome message 2. Select delayed start if desired (see 4.3.10) and/or any desired options 3. Select the desired programme The following appears on the LCD: The name of the programme The time from the beginning to the end of the cycle, in minutes The number of segments corresponding to the number of phases in the selected wash cycle... -
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
(as for appliances “DIVA” EDW2000/2003/2500). The “Talkie” version features also an electronic board, placed under the control panel and contained in a plastic box, specific for the voice control and connected electrically to the speaker positioned on the inner door. -
Page 21: Power Failures
6.1.3 Power failures The “Power Failure” function stores information on the status of the cycle during a power failure so that when the power is restored, the cycle can resume from the point at which it was interrupted. If the appliance is in the drying phase when a power failure occurs, the cycle will end after the regeneration phase 6.2 Electrical specifications 6.2.1... -
Page 22: Power Feed And Selection Of Programmes
6.3 Power feed and selection of programmes The main board is powered directly by the terminal board. The connectors involved are E3 (neutral) and E1 (line). The control/display board (user interface) is powered by 5V supplied by the main board, so programmes can be selected when the main board is turned on. -
Page 23: Static Filling
In order to keep a constant amount of water in the machine, if the pressure switch should re-open to EMPTY, fresh water is introduced until the switch returns to FULL. The fill cycle is subdivided into the following sub-cycles: 7.2.1 Static filling With the motor switched off, the fill solenoid is activated and water is introduced into the appliance until the pressure switch switches to FULL... -
Page 24: Washing System
7.4 Washing system This appliance features the conventional washing system in which mechanical washing action is obtained from the wash pump, which circulates water through the water circuit and rotates the two spray arms simultaneously. The wash pump, which is equipped with a tachometric generator, is powered by an asynchronous motor equipped with a starting capacitor (3µF –... -
Page 25: Built-In Detergent Dispenser
7.7 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 26: 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 27: 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 28: 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 29: 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 30: 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 31 Type of Shown to user Description of ALARM Status of machine Possible causes alarm Heating time-out Faulty heating element; Safety thermostats have (heating is checked every 3 The programme is fully executed tripped (open); Faulty wiring; Faulty NTC sensor minutes: the temperature must without heating (and with poor (poor thermal contact);...
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Page 32: 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 33: 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 34: Circuit Diagram
10 CIRCUIT DIAGRAM... -
Page 35: Talkie
“Talkie” 10.1... -
Page 36: Basic Circuit Diagram
11 BASIC CIRCUIT DIAGRAM 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 37: Talkie
11.1 “Talkie”... -
Page 38: Checking Components For Proper Operation
11.2 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 39: Quick Guide
12 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 40 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.
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Page 41: Table Of Programmes
13 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'...