Electrolux EDW 1000 Service Manual Download Page 14 | Manualshive

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Electrolux EDW 1000 Service Manual Download Page 14

TSE-P 02.01 LF

14/35

599 34 60-32

4.5 5. HYDRAULIC

CIRCUIT

KEY

1.

Anti-flooding device

11. Sump

2.

Anti-overflow device

12. Pressure switch

3.

Fill solenoid

13. Connector siphon for anti-overflow device

4.

Air-Break

14. Cutting valve sump

5.

Intake valve for regeneration chamber

15. Wash motor

6.

Regeneration chamber

16. Drain motor

7.

Vent valve 2

nd

regeneration chamber

17. Non-return valve

8.

Regeneration solenoid

18. Delivery valve to upper spray arm

9.

Salt container

19. Upper sprayer

10. Resin reservoir

20. Vent chamber

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Summary of Contents for EDW 1000

Page 1: ...ERS ELECTROLUX ZANUSSI S p A Corso Lino Zanussi 30 Publication no I 33080 PORCIA PN ITALY 599 34 60 32 Tel 39 0434 394850 Fax 39 0434 394096 TSE P Edition 16 02 2001 EN SERVICE LF DISHWASHERS EDW 1000 Mini_Tronic 45 cm Free standing Built in FUNCTIONALITIES ...

Page 2: ...TSE P 02 01 LF 2 35 599 34 60 32 ...

Page 3: ... system 4 4 Drain Motor 5 HYDRAULIC CIRCUIT 5 1 Water fill system 5 2 Control of water fill 5 3 Control of stability of wash water level 5 4 Control of drain function 5 5 Regeneration 6 DRYING 6 1 Definition of the drying system 7 SAFETY FEATURES CONTROLS ALARMS 7 1 Definition of the system 7 2 Displaying memorized alarm conditions 7 3 Cancelling alarm conditions 7 4 Description of safety features...

Page 4: ... 120 minutes Noise level 50 db A sound pressure 1 2 FIELD OF APPLICATION Washing system COMBINED IMPULSE Water fill level PRESSURE SWITCH CONTROL SOFTWARE Level stability Water heating HIDDEN HEATING ELEMENT Temperature control TEMPERATURE SENSOR NTC Drying cycle ACTIVE Safety features alarms TOTAL PROTECTION HYDRAULIC SOFTWARE 1 3 ELECTRONIC CONTROL MODULE Power board MAIN CONTROL BOARD built in ...

Page 5: ...E P 02 01 LF 5 35 599 34 60 32 1 4 AESTHETIC CHARACTERISTICS Control panel VERTICAL version VARIANTS ON key on right ON key on left Control panel HORIZONTAL version VARIANTS ON key on right ON key on left ...

Page 6: ...TANDING BUILT IN Controls KEYS LAYOUT OF CONTROLS S0 ON OFF key S1 S3 PROGRAMME SELECTION keys S4 S6 PROGRAMME SELECTION and or OPTION keys LD1 LD3 PROGRAMME INDICATOR LEDS LD4 LD5 LD12 PROGRAMME and or OPTIONS INDICATOR LEDS LD6 LD8 DELAYED START INDICATOR LEDS LD9 LD11 CYCLE PHASE INDICATOR LEDS LD13 LD14 SALT RINSE AID LEDS ...

Page 7: ...s LD9 LD10 LD11 These LEDs light during the various phases of the washing cycle LD9 WASHING LD10 DRYING LD11 END OF CYCLE The LEDs light as follows Program selection the two LEDs LD9 LD10 flash simultaneously Programme execution only one LED LD9 or LD10 relative to the current phase of the cycle remains lit End of cycle only one LED LD11 remains lit the remaining LEDs are unlit 2 1 3 INDICATOR LED...

Page 8: ...e when small quantities of dishes are to be washed The washing cycle is modified when the following parameters are selected Exclusion of the PRE WASH cycle in cycles that normally include the PRE WASH Reduction of the cycle time 18 28 min Reduction of water consumption for the cycle 4lt In this case LEDs LD6 LD7 LD8 are not present on the control panel 2 3 POWER FAILURE A POWER FAILURE is detected...

Page 9: ...he keys with the exception of the key for the selected programme which can be used to cancel the current cycle are disabled i e no parameter can be modified 2 4 2 1 CYCLE PAUSE The programme is suspended though all the parameters remain stored in memory If key S0 is pressed the power supply is disconnected and the machine is switched off If key S0 is pressed again the machine is switched on again ...

Page 10: ...and is updated at intervals of 3 hours example If a 9 hour delay is selected LED L8 will be lit after 3 hours this LED switches off and LED L7 lights after another 3 hours LED L7 switches off and LED L6 lights three hours later all the LEDs are switched off LED LD for the selected programme and LD if any options have been selected remain lit for the entire duration of the countdown The cycle phase...

Page 11: ...eneration solenoid Max 10W Triac Detergent Rinse aid solenoid Max 10W Triac Fan motor Max 10W Triac 3 2 SENSORS TYPE OF SENSOR TYPE OF READING TYPE OF COMPONENT Salt sensor Digital 5 V Reed Rinse aid sensor Digital 5 V Reed Temperature sensor Analogue 5 V NTC Tachimetric sensor Frequency Tachimetric generator Level sensor Digital high voltage Pressure switch Door closed sensor Digital high voltage...

Page 12: ...orms a series of calculations and switches on the Triac which generates the appropriate speed The following motor speeds are used during the washing cycle Fixed speed Variable speed 1600rpm 1600 2800rpm 2300rpm 2800rpm TECHNICAL CHARACTERISTICS Power supply 220 230V 50Hz Speed 2800 rpm Power absorption 168 W Capacitor 4µF Direction of rotation Anti clockwise Head 200 cm 4 2 WASH DRAIN FUNCTION The...

Page 13: ...speeds for ctrl puls are shown in the cycles table in the relative Service Notes 4 3 1 ctrl FIXED SPEED WASHING The electronic control unit powers the washing motor at the maximum speed 2800 rpm in other words at fixed speed 4 3 2 puls VARIABLE SPEED IMPULSE WASHING The variable speed impulse washing system is controlled by the electronic control unit the washing motor is actioned sequentially at ...

Page 14: ...Connector siphon for anti overflow device 4 Air Break 14 Cutting valve sump 5 Intake valve for regeneration chamber 15 Wash motor 6 Regeneration chamber 16 Drain motor 7 Vent valve 2 nd regeneration chamber 17 Non return valve 8 Regeneration solenoid 18 Delivery valve to upper spray arm 9 Salt container 19 Upper sprayer 10 Resin reservoir 20 Vent chamber ...

Page 15: ...ine the level of the water Inside the water level circuit the air pressure is proportional to the quantity of water present in the sump when the pressure exceeds the predetermined threshold the pressure switch which is also a pressure sensor switches the electrical contact to FULL In order to maintain this condition in dynamic operation washing the stability of the water level is guaranteed so tha...

Page 16: ...onds fixed time and water fill continues only if the pressure switch is on EMPTY untill it turns to FULL The level is determined by the pressure chamber inside the sump to which the pressure switch is linked This is folowed by 5 2 4 Control of level stability When the pressure switch signal is FULL the fill solenoid is switched off the motor switches on at a constant speed of 2300 rpm A control pr...

Page 17: ...errupted 5 3 CONTROL OF STABILITY OF WASHING WATER When the fill phase is complete the appliance passes to the washing phase In the washing phase with cold or heated water the status of the pressure switch is monitored constantly in order to ensure that the hydraulic system operates efficiently Water replenisjment may take place is necessary If the pressure switch returns to EMPTY the fill solenoi...

Page 18: ...f water in the hydraulic circuit the drain phase is repeated If after this second drain phase the control system detects that the pressure switch contact is still closed on FULL a Time out is generated and the machine passes to the Alarm condition AL6 drain not completed 5 4 1 INTERRUPTION OF THE DRAIN CYCLE If the drain cycle is interrupted due to a power failure the phase is reset to zero and al...

Page 19: ...sed on a programme with 4 fill phases Modification of the regeneration level automatically results in regeneration being performed in the subsequent cycle irrespective of the number of fill phases performed previously With the new board regeneration is always performed in the first cycle irresepective of the regeneration level selected If level WH1 is selected the regeneration process is not perfo...

Page 20: ...ng the process of condensation Some of the steam enters from the lower section through the steam venting ring this steam circulates inside the chamber where it condenses The remaining part of the steam is expelled from the upper section of the tub via the external upper duct linked with the lateral duct in communication with the condensation chamber in this junction point which isn t waterproof th...

Page 21: ...N If one of the following ALARM codes is displayed AL4 AL5 AL6 AL7 AL8 The appliance is OFF The washing cycle is interrupted Ä One or more LEDs on the control panel flash to indicate the alarm condition Ä example LED LD9 flashing intervention of Water Fill Time_out AL5 Ä All LEDs with the exception of the Programme LED for the current cycle switch off Ä All the keys including CANCEL are disabled Ä...

Page 22: ...s S1 to start the procedure LED LD1 flashes during the test procedure The last alarm condition stored in memory is indicated by LEDs LD9 LD10 LD11 Press key S1 repeateadly the 2nd and then the 1st alarm condition will be displayed in sequence To exit the procedure press S0 to switch off the appliance 7 3 CANCELLING THE ALARM CONDITIONS STORED IN MEMORY This procedure enables service engineers to c...

Page 23: ...essure switch signal returns to EMPTY 1 2 the fill solenoid is activated for a period equivalent to the period of aperture of the pressure switch Ä The maximum duration for which the pressure switch signals EMPTY T during the entire phase is 60 seconds if this period is exceeded an alarm condition is generated Possible causes a Dishes upside down b Central filter obstructed c Excessive foam d Leak...

Page 24: ...or the water is 45 minutes if the correct temperature is not reached within this time an alarm condition is generated Possible causes a Heating element broken b Safety thermostat intervention open c Wiring interrupted loose d NTC sensor faulty poor thermal contact e Insuffient water circulation in the tub f Washing pump faulty washing impeller damaged 7 4 5 NTC TEMPERATURE SENSOR ALARM A L 1 2 Led...

Page 25: ...connections broken loose d Capacitor interrupted short circuited e Tachimetric sensor broken short circuited To check that the tachimetric sensor functions correctly Ä Check that the voltage across the terminals of the sensor is higher than 7V AC 7 4 7 WASH MOTOR TRIAC SHORT CIRCUITED ALARM A L 8 Leds LD9 LD10 LD11 This control system is operative during the entire washing cycle Ä The electronic c...

Page 26: ...ent etc and the electronic control board identifies the door open condition the phase being performed is interrupted and stored in memory Ä When the door is re closed all the electrical loads are reconnected operation of the dishwasher resumes from the beginning of the phase which was interrupted 7 5 3 POWER FAILURE Ä The electronic control system recognizes a power failure condition and memorizes...

Page 27: ...TSE P 02 01 LF 27 35 599 34 60 32 8 ELECTRICAL FUNCTIONS 8 1 CIRCUIT DIAGRAM ...

Page 28: ...TSE P 02 01 LF 28 35 599 34 60 32 8 2 BASIC ELECTRICAL DIAGRAM ...

Page 29: ... 100 C1 Bio 50º ABC 1 8 puls_1 N 48 C T 2 48 C 14 T 20 puls_1 N 5 puls_2 D 56 C T 2 puls_2 N 2 50 122 C3 Bio 50º BAC 1 8 puls_1 N 54 C T 2 54 C 14 T 20 puls_1 N 5 puls_2 D 61 C T 2 puls_2 N 2 50 128 G Delicate 40 45 1 8 puls_1 N 45ºC T 16 puls_1 N 5 puls_2 D 5 puls_2 N 55 C T 1 puls_2 N 2 12 85 E Eco 50 1 8 puls_1 N 55 C T 12 puls_2 N 5 puls_2 D 65 C T 1 puls_3 N 2 12 71 D Quick 40º 50 1 40º 50ºC ...

Page 30: ...g to the subsequent component by pressing S2 before the end of the predetermined test period Time out 9 1 1 ACCESSING THE DIAGNOSTICS PROCEDURE Door closed Dishwasher switched OFF 1 Press and hold down keys S2 S3 simultaneously 2 Press S0 to switch the dishwasher on LEDs LD1 LD2 LD3 flash to indicate that the function has been selected 3 Press S2 to start the function LED LD9 lights immediately an...

Page 31: ...the regeneration level selected Overal duration of cycle 16 18 minutes approx The test cycle is not taken into consideration in the count for SPECIAL regeneration 9 2 1 STARTING THE TEST CYCLE Door closed dishwasher switched OFF 1 Press and hold down keys S1 S3 simultaneously 2 Press S0 to switch the dishwasher on LED LD3 flashes to indicate that the function has been selected The LED continues to...

Page 32: ...CT VALUE NOTES L A1 0 Ω Ω Ω Ω POWER CABLE PU ON OFF SWITCH N B1 0 Ω Ω Ω Ω With ON OFF key pressed RR HEATING ELEMENT TS SAFETY THERMOSTAT A2 C7 25 Ω Ω Ω Ω 8 Connected in series 2100W INFINITE Empty position 1 2 PR PRESSURE SWITCH B1 C7 0 Ω Ω Ω Ω Full position 1 3 IP DOOR MICROSWITCH B2 D1 0 Ω Ω Ω Ω Door closed DD DB INTEGRATED DISPENSER D5 D7 1 500 Ω Ω Ω Ω 8 OK INFINITE With rinse aid SB RINSE AID...

Page 33: ...TSE P 02 01 LF 33 35 599 34 60 32 9 3 2 COMPONENT CONNECTION DIAGRAM ...

Page 34: ...errupted AL 4 LD9 LD10 INTERVENTION OF ANTI FLOODING DEVICE a Leakage from the various connections b Floating sensor blocked mechanically c Float microswitch faulty AL 3 LD11 WATER HEATING TIME OUT The correct temperature is not reached within 45 minutes after the heating element switches on a Heating element interrupted b Safety thermostat open c Electrical connections interrupted loose d NTC sen...

Page 35: ...ge 22 section 7 2 Displaying the alarm codes AL5 AL6 AL4 AL3 AL1 2 AL7 AL8 LD9 LD10 LD9 LD10 LD11 LD9 LD11 LD10 LD11 LD9 LD10 LD11 The last 3 alarm codes stored in memory are displayed by pressing S1 repeatedly Cancel alarms stored in memory S2 S3 S0 On Off è LD1 LD2 LD3 flashing S3 è LD1 ð LD14 All LEDs lit description on page 22 section 7 3 Cancelling alarms The LEDs light briefly for 1 second t...

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