Electrolux "DIVA" EDW 500 Service Manual Download Page 22 | Manualshive

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SOI/TD

2004-11

PR

22/26

599

36

44-44

13 ELECTRICAL FUNCTIONS

13.1 Electrical circuit diagram

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Summary of Contents for "DIVA" EDW 500

Page 1: ...ALY S p A Spares Operations Italy Corso Lino Zanussi 30 Publication no I 33080 PORCIA PN ITALY 599 36 44 44 Fax 39 0434 394096 Edition 2004 11 EN Dishwasher with electronic control EDW 500 Functionalities DIVA 45 60 cm free standing and partially integrated PNC 911xx9 Production ZM Solaro IT ...

Page 2: ...SOI TD 2004 11 PR 26 599 36 44 44 2 ...

Page 3: ...tervention of the anti overflow system 12 8 5 Control of water fill phase 12 8 5 1 Static fill 12 8 5 2 Dynamic fill 13 8 5 3 Level stability control 13 8 6 Water fill time 13 8 6 1 Static fill time 13 8 6 2 Dynamic fill time 13 8 6 3 Power supply interruption during water fill 13 8 7 Level stability during washing 13 8 8 Washing system 13 8 8 1 Control of the washing pump 14 8 9 Heating 14 8 10 I...

Page 4: ...TD 2004 11 PR 26 599 36 44 44 4 14 TABLE OF PROGRAMMES 24 15 CHECKING THE EFFICIENCY OF THE COMPONENTS 25 15 1 Measurement points on the board wiring connectors 25 16 QUICK GUIDE TO THE SPECIAL FUNCTIONS 26 ...

Page 5: ...ntation of the DIVA structure publication number 599 35 55 25 and 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 absorption 2200 W Resistance 2000W Mains water supply Pressure Min Max ...

Page 6: ...he diagnostics mode 4 2 Option S2 button The system used for selecting the wash programmes depends on the configuration of the model Delayed start Half load The functions of the various buttons and LEDs depend exclusively on the software configuration of each appliance for detailed information please refer to the programme table of the specific model 5 WASHING PROGRAMMES The number and types of wa...

Page 7: ...ob is turned to position 0 the washing programme interrupts Turning the knob to the position corresponding to the programme in progress or to any other position the appliance switches on again and the programme previously chosen starts from the point at which it was interrupted If the door is opened the appliance remains on the power loads are deactivated The Option LED remains on Closing the door...

Page 8: ...ected option are lit 6 Turning the knob to any position but not 0 the programme continues without any modification 7 To interrupt a programme in progress Open the door carefully or turn the knob to position 0 To restart the cycle turn the knob to the position corresponding to the cycle previously chosen or to any other position and close the door EXECUTION OF CYCLE 8 To cancel a programme in progr...

Page 9: ...ith Acquacontrol 11 Anti overflow pressure switch 3 Fill solenoid 12 Sump assembly 4 Regeneration solenoid 13 Wash pump 5 Air Break 14 Tube enclosed heating element 6 Steam condenser 15 Drain pump 7 Regeneration chamber 16 Non return valve 8 Salt Reservoir 17 Drain hose 9 Resin Reservoir 18 Anti flooding device ...

Page 10: ... Functions of the circuit board The circuit board receives signals relative to the cycle settings via the control display board The buttons and LEDs are also mounted on this board The board also powers all the electrical components solenoid valves washing pump detergent rinse aid dispenser drain pump heating element The board controls the temperature of the washing water via an NTC sensor The circ...

Page 11: ...p 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 Max 10W Triac 8 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 Level sensor Digital High v...

Page 12: ...d constantly monitors the status of the pressure switch via a sensing line connected to connector D5 EMPTY if the contacts are closed on 1 2 FULL if the contacts are closed on 1 3 8 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 supply 8 4 4 Intervention of the anti overflow sy...

Page 13: ... is not displayed to the user but may be accessed by the Service Engineer using a specific procedure If during a 2600 rpm dynamic fill the pressure switch never closes on FULL during the initial 60 seconds the electronic control system interrupts the washing cycle and the appliance enters alarm condition 1 0 8 6 3 Power supply interruption during water fill If the water fill phase is interrupted b...

Page 14: ...echanical system for both functions When the coil is energized it actions the mechanism via a series of levers to introduce detergent in a determined sequence first detergent then rinse aid The coil of the detergent dispenser DD is powered by an electronic control via connectors E1 E3 at certain points during the cycle thus ensuring correct dosage Some models feature a rinse aid sensor whose reed ...

Page 15: ... at each washing cycle but rather at intervals determined by the level of regeneration selected If level 1 is selected regeneration is never performed and the SALT LED if featured always remains unlit If level 10 is selected regeneration is performed twice during each cycle first at the end of the washing phase and then at the beginning of the drying phase The regeneration solenoid ER is powered b...

Page 16: ...ng the possibility of corrosion of glass recipients due to excessively soft water When the BLENDING function is activated the percentage of unsoftened water introduced into the dishwasher is 15 The BLENDING function is activated using the selector knob located inside the tub on the left side in the vicinity of the steam venting grille Position of selector pos 1 blending enabled pos 2 blending disa...

Page 17: ... pressure switch obstructed level pressure switch wiring faulty circuit board faulty solenoid triac short circuited i20 2 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 FUL...

Page 18: ...tinues 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 tachometric 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 maximum speed and the alarm code i...

Page 19: ...s and pauses at intervals for the decodification see summary table of alarms Press button S1 to increase the regeneration level according to the following values No of flashes of End of cycle LED Water fill between regeneration procedures Time regeneration solenoid opens Position of tank selector Hardness of water treated Level nº Litres sec nº º F TH º D dH 1 1 0 1 0 7 0 4 2 2 130 240 1 8 18 4 10...

Page 20: ...e actuators are activated 4th actuation regeneration solenoid 5th actuation drain pump 6th actuation water fill solenoid water up to level 7th actuation heating only if water up to level 8th actuation washing pump 9th actuation detergent rinse aid dispenser 10th actuation drying fan 11th actuation it starts again from the first alarm All positions can be repeated pushing button S1 sequentially The...

Page 21: ...mme behaves as in a normal cycle the PAUSE and CANCEL options are accessible 12 3 2 Cycle phases N B At the beginning of the subsequent programme i e after the test cycle the resins are washed The overall duration of the test cycle is about 50 minutes 12 4 Exiting Service and User modes To exit these modes turn the knob to OFF position and switch the appliance off or wait 60 seconds the LEDs light...

Page 22: ...SOI TD 2004 11 PR 22 26 599 36 44 44 13 ELECTRICAL FUNCTIONS 13 1 Electrical circuit diagram ...

Page 23: ...ergent 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 Tachometric generator TS Safety thermostat ...

Page 24: ...ime minutes Type of Wash Wash time minutes Wash time minutes Type of Wash Heating Temperature in C Wash time after heating min Type of Wash Cycle time minutes I2 Intensive ctrl 55 C 10 ctrl 55 C 5 68 C 14 ctrl 3 65 C 3 ctrl 3 3 ctrl 68 C ctrl 120 N5 Normal 3 rinses 6 ctrl 50 C 4 68 C 8 ctrl 3 65 C 3 ctrl 3 3 ctrl 68 C ctrl 102 E1 Energy label xxx 10 PW1 15 5 62 C 42 PW1 5 PW1 16 68 C 2 PW1 162 Q4 ...

Page 25: ... the power supply will be disconnected 15 1 Measurement points on the board wiring connectors LIST OF COMPONENTS PROBE CONTACTS CORRECT VALUES NOTES RR HEATING ELEMENT TS SAFETY THERMOSTAT A1 D5 25 Ω 8 connected in series 2100W INFINITE on EMPTY 1 2 PR LEVEL PRESSURE SWITCH A1 A2 0 Ω on FULL 1 3 INFINITE on EMPTY 1 2 PA ANTI FLOODING PRESSURE SWITCH D1 B2 0 Ω on FULL 1 3 IP DOOR MICROSWITCH C1 C3 ...

Page 26: ...larms are displayed pressing button S1 repeatedly Display of alarms and components diagnostic S1 LD5 flashing From the fourth to the tenth actuation the single components are activated Cancel alarms stored in memory Pos 4 and press S1 All LEDs flashing All LEDs flash for 30 seconds SERVICE Test cycle S1 Start and hold down Pos 5 anti clockwise LD0 LD1 flashing release S1 Pos 3 and press S1 LD5 fla...

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