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SOI/TD - PR

599 36 01-86

SERVICE MANUAL

DISHWASHERS



ELECTROLUX ITALY S.p.A.

Spares Operations Italy
Corso Lino Zanussi, 30

Publication no.

I - 33080 PORCIA /PN (ITALY)

599 36 01-86

Fax +39 0434 394096

Edition: 2010-01-28

Dishwasher with

EDW 1500 - 1510 electronic

control system

911 616 xxx “Free-standing”
911 626 xxx “Partially integrated”

“DIVA” 45cm

Production:

ZM - Solaro (IT)

Содержание EDW 1500 - 1510

Страница 1: ...s Operations Italy Corso Lino Zanussi 30 Publication no I 33080 PORCIA PN ITALY 599 36 01 86 Fax 39 0434 394096 Edition 2010 01 28 EN Dishwasher with EDW 1500 1510 electronic control system 911 616 xxx Free standing 911 626 xxx Partially integrated DIVA 45cm Production ZM Solaro IT ...

Страница 2: ...SOI TD PR 2 599 36 01 86 ...

Страница 3: ...CTIONS 15 6 1 EDW1500 1510 Electronic control system 15 6 1 1 Functions of the circuit board 15 6 1 2 Memory in the control system 15 6 2 Specifications for actuators and sensors 16 6 2 1 Components 16 6 2 2 Sensors 16 6 3 Power supply and programme selection 17 6 4 Fill circuit 18 6 4 1 Level and anti overflow pressure switch 18 6 4 2 Fill system 18 6 4 3 Anti flooding device 18 6 4 4 Interventio...

Страница 4: ... 3 Cancelling alarm codes from memory Testing the LEDs 30 10 4 Functional testing cycle 30 10 4 1 Selecting the cycle 30 10 5 Options available to Service Engineers 31 10 5 1 Selecting the extra cold rinse option 31 10 5 2 Disabling pulse washing 32 10 6 Exiting diagnostics mode 32 11 ELECTRICAL FUNCTIONS 33 11 1 Electrical circuit diagram 33 11 2 Basic circuit diagram 34 11 2 1 Key to circuit dia...

Страница 5: ...ructural characteristics of the appliances refer to the Service Manual for presentation of the DIVA 45 cm structure publication number 599 36 09 90 2 PRECAUTIONS Electrical appliances must be serviced only by qualified Service Engineers Always remove the plug from the power socket before touching internal components 3 GENERAL CHARACTERISTICS Power supply 230 V 50 Hz limits 187 254 V Total power ab...

Страница 6: ...mum of 3 to a maximum of 6 Number of LEDs max 13 Position of the ON OFF button right or left Version EDW1500 with horizontal buttons and left ON OFF button Version EDW1510 Version EDW1500 with vertical buttons and right ON OFF button Key S0 ON OFF button S1 S6 Programme option selection buttons L0 On off indicator LED LD1 LD6 Programme Option indicator LEDs LD7 LD12 Indicator LEDs phases warnings ...

Страница 7: ...evel 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 4 1 4 Display The display which consists of 2 5 digits can indicate The indicative time to end of the programme in minute The countdown is carried out every minute and updated at the end of each programme phase when the programme is updated it can decrease ...

Страница 8: ...is not featured on the control panel certain programmes may feature automatic detection of the half load This system measures variations in the temperature during the initial heating phase The temperature and the duration of the wash are both reduced This option is not available in the following cycles Intensive Short 30 minutes Soak Heating plates and Glassware 4 3 4 Sanitize This is a special op...

Страница 9: ...to select the delayed start time 1 Close 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 Every time the button is pressed the time increases every hour up to 19h 1 2 3 19 0 3 Select the programme and the possible options For some seconds the display shows the time to end of the cycle...

Страница 10: ...uption of a programme pause Proceed as follows to interrupt a programme that has already started 1 Press S0 to switch the appliance off 2 To re start the cycle press S0 again The programme starts from the point at which it was interrupted 3 If you open the door the cycle interrupts re closing it the programme starts after a brief delay from the point at which it was interrupted Important If the ap...

Страница 11: ...tivating the buzzer 1 Cancel any cycles that have been selected 2 Press S0 to switch the appliance on LD0 salt and rinse aid LEDs 3 Press buttons S2 and S3 at the same time until LEDs LD1 LD2 and LD3 begin to flash 4 Press button S3 LEDs LD1 and LD2 switch off while LD3 continues to flash The condition of the buzzer is indicated by the display 1b buzzer on 0b buzzer off 5 Press button S3 again to ...

Страница 12: ...omatically 3 seconds after the last pressure of a button the cycle starts The digits and the current phase LED light steady 6 The time to end decreases every minute and is updated after every cycle phase The LED indicates the current phase 7 To interrupt a current programme Switch the appliance off with S0 or open the door To start it again press S0 and close the door EXECUTION OF THE CYCLE 8 To c...

Страница 13: ...whole may be considered as consisting of four main assemblies BASE DOOR TUB HYDRAULIC SECTION the four assemblies are enclosed in a structure 5 2 Hydraulic and functional characteristics Drying duct Softener Fill tank condenser Drain pump Wash pump Heater Counterweight Base Sump Turbo fan ...

Страница 14: ...quacontrol 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 7 Regeneration chamber 17 Drain hose 8 Salt Reservoir 18 Drying duct fan 9 Resin Reservoir 19 Anti flooding device 10 Level pressure switch ...

Страница 15: ... well as the speed of rotation of the washing pump according to the signal received from the tachymetric generator The circuit board monitors the status of the pressure switch and the rinse aid salt sensors 6 1 2 Memory in the control system The main circuit board features an EEPROM memory external to the microprocessor which stores in memory data relative to the configuration description of the c...

Страница 16: ... Triac 6 2 2 Sensors TYPE OF SENSOR TYPE OF ELECTRONIC SIGNAL TYPE OF COMPONENT Salt sensor Digital 5 Volt Reed Rinse aid sensor Digital 5 Volt Reed Temperature sensor Analogue 5 Volt NTC Turbidity sensor certain models only Analogue 5 Volt Opto electronic Tachymetric sensor Frequency Tachymetric generator Level sensor Digital High voltage Pressure switch Door closure sensor Digital High voltage S...

Страница 17: ...ne The control display board user interface is powered at 5V by the main board making programme selection possible When the door is closed the main board detects the closure of the contacts of the switch IP across connectors B2 D1 and starts the washing programme The same switch powers the electrical components When the door is opened the power loads are disconnected from the power supply and the ...

Страница 18: ...ed by the pressure switch RL The electronic board constantly monitors the status of the pressure switch via a sensing line connected to connector C5 EMPTY if the contacts are closed on 1 2 FULL if the contacts are closed on 1 3 6 4 3 Anti flooding device Intervention of the anti flooding device causes the contacts of the microswitch DA to open thus disconnecting the solenoid valve from the power s...

Страница 19: ...rculating in the sump allows the motor to run without speed fluctuations caused by cavitation When the pressure switch signals FULL the fill solenoid valve switches off 6 6 Water fill time The aperture of the solenoid valve has a pre set overall duration which is subdivided into the various sub phases of the fill 6 6 1 Static fill time T S max 90 seconds This is the maximum time within which the p...

Страница 20: ...s simultaneously The washing pump is actioned by an asynchronous motor with a start up capacitor 3µF 450VL The washing pump rotates in a counter clockwise direction seen from the impeller side and is fitted with a tachymetric generator In order to optimize the washing programmes two washing systems can be applied ctrl Washing at constant speed 2800 rpm maximum speed of the motor pw Pulse washing a...

Страница 21: ...tors G5 G6 6 9 1 Integrated detergent dispenser The detergent dispenser is a plastic container consisting of two separate sections The first A contains the detergent the second B contains the Rinse aid The dispenser is of the single coil type and uses a single electrical coil connected to a mechanical system for both functions When the coil is energized it actions the mechanism via a series of lev...

Страница 22: ...ting in memory press button S0 and switch the appliance off alternatively wait for 60 seconds appliance in selection mode 6 11 Drain The drain pump PS is powered by triac TY3 connector C1 and via the contacts of the ON OFF switch PU and the door switch IP At the end of the drain phase a control procedure is performed to check that the contact of the level pressure switch is open on EMPTY If this i...

Страница 23: ...red by triac TY1 connector C9 on the circuit board and by the contacts of the ON OFF switch PU and the door switch IP Some models feature a salt sensor whose reed contact SS is connected to connectors F1 F2 on the circuit board The absence of salt causes the contact to close which lights the corresponding LED on the display board 6 13 Resin washing Washing of the resins contained in the softening ...

Страница 24: ... 7L 10L 1L 2L 6 To store this setting in memory press button S0 and switch the appliance off alternatively wait for 60 seconds selection mode 6 14 2 Blending function This function is performed inside the fill tank during the water fill phase which depending on the position of the selector automatically blends the softened water with the unsoftened water present in the appliance In practice the so...

Страница 25: ...g the hot rinse in which the steam circulates inside the condenser of the fill tank The condenser is a condensation chamber filled with water cold wall contact between the hot air and the cold wall results in the condensation process Depending on the type of appliance one of two drying systems is used ACTIVE DRY drying TURBO DRY drying 7 1 1 Turbo dry drying Certain models feature a forced air dry...

Страница 26: ...ain current whose intensity is proportional to the quantity of light received i e inversely proportional to the level of turbidity The microprocessor measures the signal present in the circuit and can thus determine the most appropriate cycle according to the quantity of soiling present in the water 8 1 2 Determination of the load The quantity of dishes in the load full load or 1 2 load is determi...

Страница 27: ... switch obstructed level pressure switch wiring faulty circuit board faulty solenoid triac short circuited i20 YES Water drain time out The pressure switch does not return to EMPTY after two drain phases lasting 120 seconds The drain pump switches on then the cycle stops Drain circuit obstructed blocked drain pump interrupted or jammed foreign bodies level pressure switch blocked on FULL 1 3 hydra...

Страница 28: ...ibration Time out The programme continues as if a heavy soiling condition had been detected Turbidity sensor faulty sensor wiring faulty circuit board faulty id0 13 NO Problems with the washing motor no signal from the tachymetric generator washing pump powered but no signal from the generator The heating element is switched off If the fault persists after the Time out the washing pump operates at...

Страница 29: ...witch off LD1 continues to flash The first alarm stored in memory is displayed i_0 for the codification see the summary table of the alarms pages 27 28 3 Press S1 to display the other two alarms 4 Press button S1 to activate the various electric components The display shows after the first three alarms the number corresponding to the activated function Activation S1 Display Activated function 1 Re...

Страница 30: ...omatically and the machine enters pre selection mode 10 4 Functional testing cycle This is an abbreviated washing programme which allows the Service Engineer to test all the functions that comprise a traditional washing cycle in effect the system simulates a normal cycle 10 4 1 Selecting the cycle 1 Access diagnostics mode see 10 1 2 Press button S3 to start the cycle The LEDs LD1 LD2 switch off w...

Страница 31: ...nse option Using the procedure described below it is possible to add a supplementary cold rinse in all the washing programmes This improves the quality of the rinse in case of necessity 1 Access diagnostics mode see 10 1 2 Press buttons S1 S2 simultaneously The display indicates the status of the function 0A extra rinse not selected 1A extra rinse active 3 Press button S1 to activate and disactiva...

Страница 32: ...ss diagnostics mode see 10 1 2 Press buttons S2 S3 simultaneously The display indicates the status of the function 0P continuous washing Ctrl 1P pulse washing PW active 3 Press button S2 to activate and disactivate this function 0P continuous washing Ctrl 1P pulse washing PW active 4 To store the operation in memory press key S0 and switch the appliance off or wait for 60 seconds appliance in sele...

Страница 33: ...SOI TD PR 33 599 36 01 86 11 ELECTRICAL FUNCTIONS 11 1 Electrical circuit diagram ...

Страница 34: ...t Rinse aid dispenser EC Fill solenoid ER Regeneration solenoid GA Suppressor IP Door switch MR General terminal block MV Fan motor PL Washing pump PS Drain pump PU Pushbutton array PR RL Level pressure switch PA Anti overflow pressure switch RR Heating element SB Rinse aid sensor SS Salt sensor Turbidity Turbidity sensor ST Temperature sensor TAC T Tachymetric generator TS Safety thermostat Main ...

Страница 35: ...T 69 C T 1 PW1 24 95 N4 Delicate without prewash Y Y Y Y T 50 C T 2 T 55 C T 12 PW1 T 4 PW1 5 60 C PW1 T 69 C T 1 PW1 24 86 N5 Normal 3 rinses Y Y Y Y T 6 ctrl T 50 C T 4 T 68 C T 8 ctrl 2x3 65 C 2x T 3 ctrl 5 60 C PW1 T 69 C ctrl 24 99 N6 Normal 3 rinses Without prewash Y Y Y Y T 50 C T 4 T 68 C T 8 ctrl 2x3 65 C 2x T 3 ctrl 5 60 C PW1 T 69 C ctrl 24 90 E1 Energy label Axx Y Y Y Y T 10 PW4 11 62 ...

Страница 36: ... Ω Ω Ω POWER CABLE PU ON OFF SWITCH N A2 0 Ω Ω Ω Ω with ON OFF key pressed RR HEATING ELEMENT TS SAFETY THERMOSTAT A1 C5 25 Ω Ω Ω Ω 8 connected in series 2100W INFINITE on EMPTY 1 2 PR LEVEL PRESSURE SWITCH B1 C5 0 Ω Ω Ω Ω on FULL 1 3 INFINITE on EMPTY 1 2 PA ANTI FLOODING PRESSURE SWITCH C1 A2 0 Ω Ω Ω Ω on FULL 1 3 IP DOOR MICROSWITCH B2 D1 0 Ω Ω Ω Ω Door closed DD DB INTEGRATED DISPENSER D5 D7 1...

Страница 37: ...0 flashing description on page 29 chapter 10 2 Press button S1 i 0 i 0 i 0 4 5 6 7 8 9 10 AL 1 AL2 AL 3 ER PS EV RR PL DD MV Cancel alarms stored in memory S1 S3 S0 On Off LD1 LD2 LD3 flashing S2 188 description on page 30 chapter 10 3 All the LEDs and digits flash for 30 sec Test cycle S1 S3 S0 On Off LD1 LD2 LD3 flashing S3 LD3 flashes 50 Time to end description on page 30 chapter 10 4 The cycle...

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