Electrolux EWM2000evo Service Manual Download

Page: 43 / 67

SOI/DT 2005-01 dmm

599 36 82-59

43/67

9.13 Heating

system

1. Main

board

2. Anti-boiling pressure switch AE2
3. Anti-boiling pressure switch AE1
4. Heating

element

5. NTC temperature sensor

The heating element is powered by a relay on the main board through the contacts on the pressure
switches, which must be closed on “full”.

9.13.1 Heating element

1. Heating

element

(1950W)

2. NTC sensor

9.13.2 Temperature sensor

The temperature is controlled by the main board using an NTC temperature sensor

RESISTANCE (

Ω

)

TEMPERATURE

(ºC)

Nominal value

Maximum value

Minimum value

20
60
80

6050
1250

640

6335
1278

620

5765
1222

660

Summary of Contents for EWM2000evo

Page 1: ...ares Operations Italy Corso Lino Zanussi 30 Publication no I 33080 PORCIA PN 599 36 82 59 Fax 39 0434 394096 Edition 2005 01 12 dmm EN WASHING MACHINES WASHER DRYERS with electronic control EWM2000EVO with sensors FULL SMD display board Production ZP Porcia Italy ...

Page 2: ...SOI DT 2005 01 dmm 2 67 599 36 82 59 ...

Page 3: ...ck 15 6 3 19 Temperature adjustment 15 6 3 20 Delayed start time 15 6 3 21 Exclude buzzer 15 6 3 22 Electronic drying WASHER DRYERS certain models only 15 6 3 23 Drying time button 15 6 3 24 Variation of rinses when options are selected 16 6 4 Display certain models only 16 6 5 LEDs 17 7 WASHING PROGRAMMES 18 7 1 Base programmes for Cotton Linen cold 30 40 60 90 without options 18 7 2 Rinses of Co...

Page 4: ...m 39 9 9 Flow meter 40 9 9 1 Operating principle of flow meter 40 9 10 Drain pump 41 9 11 Drain pump 42 9 12 Aqua Control 42 9 13 Heating system 43 9 13 1 Heating element 43 9 13 2 Temperature sensor 43 9 14 Turbidity sensor 44 9 15 Motor 45 9 16 Power supply to motor 45 9 17 Anti foam control system 45 9 18 FUCS Fast Unbalance Control System 46 10 DRYING CIRCUIT 48 10 1 Temperature control 49 Cal...

Page 5: ...15 1 Flow meter 62 15 2 Aqua Control 62 15 3 Turbidity sensor 63 15 3 1 Installing the turbidity sensor 63 16 BASIC CIRCUIT DIAGRAM WD 64 16 1 Key for circuit diagram WD 65 17 BASIC CIRCUIT DIAGRAM WM 66 17 1 Key for circuit diagram WM 67 ...

Page 6: ...ic board and one control display board Full SMD version The following are described General characteristics Control panel and washing programmes Technical characteristics Guide to the diagnostics For detailed information concerning hydraulic circuit structural characteristics of the appliances and accessibility please refer to Service Manual of washing machines and washer dryers Series P6000 Nexus...

Page 7: ...m Traditional included on display board Sensors Water level sensor Turbidity sensor 3 2 General specifications WD Programme selector 16 24 positions with incorporated main switch Serial port DAAS EAP communications protocol up to 38400 baud Power supply 220 240V 50 60 Hz Type of washing Jet system Rinsing system Jet system Motor Collector with tachometric generator Spin speed 850 1600 g Anti unbal...

Page 8: ...s ª Number and configuration of the buttons max 8 ª ON OFF switch incorporated in the programme selector or with separated button Version with left selector and incorporated ON OFF button Sigma Version with left selector and button ON OFF switch Alpha Ellipse Version with right selector and incorporated ON OFF switch Multipanel Built in Version with right selector and incorporated ON OFF switch Si...

Page 9: ...SOI DT 2005 01 dmm 9 67 599 36 82 59 4 1 Control display board 4 1 1 Version with display Ö 3 digits Ö 28 LEDs Ö 8 buttons 4 1 2 Version without display Ö 21 LEDs Ö 6 buttons Ö 14 LEDs Ö 6 buttons ...

Page 10: ...sition is used to cancel the current programme and if the main ON OFF switch is built into the programme selector to switch the appliance off 5 3 Start Pause Start After selecting the programme and the desired options press this button to start the cycle If the delayed start option has been selected the count down will begin and will be shown on the display The LED stops flashing and remains lit f...

Page 11: ...3 450 650 850 1000 1200 1300 1400 1600 60 60 60 50E 42 50 50 40 40 30 30 Synthetics Cold 20 3 Max 900 40 40 30 30 Delicate fabrics Cold 20 3 450 700 40 40 30 35 Wool Cold 20 3 Max 1000 40 40 30 35 Hand wash Cold 20 3 Max 1000 Soak 30 20 Rinses 3 Max 1600 Rinse for delicate fabrics 3 Max 700 Fabric softener 1 Max 1600 Drain Spin Max 1600 Delicate spin Max 700 Short cycle 30 2 Max 1000 The data are ...

Page 12: ... X X X X X X X X X X X SYNTHETIC FABRICS Cold X X X X X X X X X X X X MINI PROGRAMME 30 C X X X X 40 C X X X X X X X X 30 C X X X X X X X X DELICATES Cold X X X X X X X X SILK 30 C X X X X X 40 C X X X X 30 C X X X X WOOL HAND WASH Cold X X X X SOAK RINSES X X X X X X X X CONDITIONER X X X X X DRAIN Compatibility with PROGRAMMES SPIN X RINSE HOLD X X X X X X X X X X X X X X NIGHT CYCLE X X X X X X...

Page 13: ...may be cold if selected ª In COTTON and SYNTHETICS cycles a short spin pulse spin is performed before the wash phase ª When combined with the delayed start option a soak time from 30 minutes to 10 hours can be selected ª This option is not available in WOOL and HAND WASH cycles 6 3 5 Stains ª The motor operates for an extra 5 minutes after the water is heated to 40 C ª Water is run through the pre...

Page 14: ...h possible only where there are three solenoids ª In models with two solenoids the bleach is not compatible with the pre wash option 6 3 13 Half load button ª Eliminates a rinse in the COTTONS programmes 6 3 14 Easy Iron In COTTON programmes ª Adds three rinses ª Eliminates the intermediate spins ª Performs an impulse spin phase ª Adds an untangling phase after the spin cycle In SYNTHETICS cycles ...

Page 15: ...tive button and press Start Pause again Models with led ª Insert a pause before the start of the programme the delay time is indicated by the corresponding LEDs ª To start the cycle immediately after the delay time began press the Start Pause button cancel the delay time by pressing the relative button and press Start Pause again 6 3 21 Exclude buzzer ª The buzzer can be deactivated by pressing a ...

Page 16: ...s too much foam or the water is very dirty in all programmes except COTTON ECO and SYNTHETICS 6 4 Display certain models only The following information appears on the display ª Three flashing dashes appear when the appliance is switched on ª The duration of the wash programme appears when the programme is selected This value is the amount of time necessary for washing the maximum load of laundry f...

Page 17: ...This LED lights up when the programme is chosen if an extra rinse has been selected stored if an extra rinse is included in the programme and lights up during the extra rinse when the programme is executed Rinse Hold This LED lights up when the programme is chosen if this option has been selected and at the end of the cycle when the machine stops with water in the drum Cycle in progress This LED l...

Page 18: ...80 min 16 Heating Temperature or time OFF ON 35 15 W 55 8 8 60 o 40 min 60 o 80 min 41 o 10 min 30 o 80 min 20 o 80 min 17 Heating Temperature or time OFF OFF W 55 8 8 85 o 40 min 18 Maintenance heating Temperature or time OFF ON 35 15 W 55 10 3 if 90 55 8 8 41 o 5 min T ref 5 min T ref 5 min 19 Maintenance Time OFF ON 35 15 W 55 10 3 if 90 55 8 8 2 min 5 min 20 Maintenance Time OFF ON 35 15 W 55 ...

Page 19: ...30 sec 43 Water fill Level OFF ON 35 15 W No movement COT_INT_N_R_LEV 44 Maintenance Refill Time OFF ON 35 15 W 55 8 8 5 min COT_REF_N_R_LEV 45 Drain Level ON OFF No movement Empty Elect 14 sec 46 2nd Rinse Spin Time ON OFF IMP_C6 5 min with AS control 47 Water fill Level OFF OFF SF 55 8 8 DRY_COND_LEV 48 Water fill Level OFF ON SF No movement COT_LAST_N_R_LEV 48 Maintenance Time OFF OFF 55 8 8 30...

Page 20: ... 40 10 3 1 min 16 Maintenance Time OFF OFF W No movem 22 sec 17 Maintenance Refill Time OFF OFF W 40 10 3 1 min COT_SEC_EW_LEV 18 Maintenance Time OFF ON 35 15 W 40 10 3 1 min 19 Maintenance Time OFF OFF W No movem 22 sec 20 Heating Temperature or time OFF OFF W 55 8 8 67 64 o 80 min 54 45 o 20 min 44 40 o 80 min 22 Maintenance heating Temperature or time OFF ON 35 15 W 55 10 3 T ref 5 min 23 Main...

Page 21: ...ash AS Anti foam control Only for WD 7 4 2 For programmes with three rinses Motor Movement N PHASE Description Drain pump Recirc Pump Deterg Disp Rpm Movem Pause CYCLE 35 Water fill Level OFF ON 35 15 BL No movem COT_FIRST_E_R_LEV 36 Maintenance Refill Time OFF ON 35 15 W 55 8 8 5 min COT_REF_E_R_LEV 37 Drain Level ON OFF No movem Empty Elect 14 sec 38 1 st Rinse Spin ON OFF IMP_6 5 min with AS co...

Page 22: ...ntrol 10 Calibration Level ON OFF No movem Drain 11 Flow calibration Level OFF OFF PW No movem Water fill 12 Maintenance water softener Time OFF OFF PW 55 4 15 1 min 13 Water fill Level OFF OFF W No movem SYN_FIRST_W_LEV 14 Maintenance Refill Time OFF ON 35 15 W 55 8 8 3 min SYN_SEC_NW_LEV 15 Heating Temperature OFF ON 35 15 W 55 10 3 60 50 40 30 20 16 Maintenance Time OFF ON 35 15 W 55 10 3 10 mi...

Page 23: ...Time OFF OFF No movem 6 sec 33 Maintenance Refill Time OFF ON 35 15 W 55 10 3 3 min SYN_REF_R_LEV 34 Drain Time ON OFF No movem Empty Elect 14 sec 35 Maintenance Time ON OFF 55 4 12 1 min 36 Wait Time ON OFF No movem 6 sec 37 Spin Time ON OFF IMP_C0 4 5 min with AS control 38 2 nd Rinse Wait Time ON OFF No movem 6 sec 39 Water fill Level OFF OFF SF No movem SYN_LAST_R_LEV 40 Maintenance Time OFF O...

Page 24: ...Temperature OFF ON 35 15 W 55 4 12 40 30 20 15 Maintenance Time OFF ON 35 15 W 55 4 12 T ref 10 min T ref 10 min T ref 10 min 16 Heating Time OFF ON 35 15 W 55 4 12 40 30 20 17 Maintenance Time OFF ON 35 15 W 55 4 12 10 min 10 min 10 min 18 WASH Drain Time ON OFF No movem Empty 14 sec 19 Water fill Level OFF OFF BL No movem DEL_FIRST_R_LEV 20 Maintenance Refill Time OFF ON 60 20 W 55 4 12 3 min DE...

Page 25: ...mpty 14 sec 9 Water fill Level OFF OFF W No movem WOOL_INT_R_LEV 10 Maintenance Refill Time OFF ON 60 20 W 35 1 40 3 min WOOL_REF_R_LEV 11 Drain Time ON OFF No movem Empty 14 sec 12 1st Rinse Drain Time ON OFF 55 4 12 1 min 13 Water fill Level OFF OFF W No movem WOOL_INT_R_LEV 14 Maintenance Refill Time OFF ON 60 20 W 35 1 40 3 min WOOL_REF_R_LEV 15 Drain Time ON OFF No movem Empty 14 sec 16 2nd R...

Page 26: ... 14 sec 9 Water fill Level OFF OFF No movem No movem HAND _INT_R_LEV 10 Maintenance Refill Time OFF ON 60 20 W 35 1 57 3 min HAND _REF_R_LEV 11 Drain Time ON OFF No movem Empty 14 sec 12 1st Rinse Drain Time ON OFF 55 4 12 1 min 13 Water fill Level OFF OFF W No movem HAND _INT_R_LEV 14 Maintenance Refill Time OFF ON 60 20 W 35 1 57 3 min HAND _REF_R_LEV 15 Drain Time ON OFF No movem Empty 14 sec 1...

Page 27: ...7 Timer controlled drying Time ON ON COND 55 57 3 COT_DRY_TEMP Max 130 min 8 DRYING Cooling Time ON ON COND 55 57 3 35 10 min 8 2 Drying programme for synthetics DRYING SYNTHETICS half power Motor N PHASE Function Drain pump Fan LEV Compart Rpm Movem Pause Temperature Time Notes 1 Drain Level ON OFF No movem 2 Water fill control Level OFF OFF 10 0 COND 55 8 8 3 Unrolling Time ON OFF 55 8 8 10 min ...

Page 28: ...te movement D55 sec rpm 12 0 4 55 12 0 4 55 8 3 2 N55 Normal movement N 55 sec rpm 8 0 8 55 8 0 8 55 8 3 3 E55 Vigorous movement E 55 sec rpm 3 0 10 55 3 0 10 55 8 3 4 PWL_1 wool Delicate movement PWL_1 sec rpm 40 0 1 35 40 0 1 35 8 3 5 PWL_4 hand wash Delicate movement PWL_4 sec rpm 57 0 1 35 57 0 1 35 ...

Page 29: ...UCS x 450 5 650 1 8 3 7 Cotton Linen Intermediate Cotton Linen Wash Spin IMP_6 rpm sec FUCS x IMP 450 1 FUCS x 450 30 650 20 850 10 1200 60 8 3 8 Cotton Linen Final Spin IMPCF_AC rpm sec FUCS x IMP 450 1 FUCS x 450 30 650 15 850 5 1000 95 1150 75 1400 45 1600 65 8 3 9 Synthetics Final Spin IMP_5 rpm sec FUCS x IMP 450 1 FUCS x 450 5 650 10 1000 55 ...

Page 30: ...y iron Impulse Cycle EI EASY_IRON_IMP rpm sec FUCS x 450 1 FUCS x 650 1 FUCS x 800 1 FUCS x 900 1 8 3 13 Intermediate Spin for Cotton Linen Super rinse option CSR rpm sec FUCS x IMP 450 1 FUCS x 450 90 8 3 14 Movement during drying phase DRY_MOV rpm sec 3 0 55 57 3 0 55 57 Notes FUCS antiunbalance function before spin phase x variable duration in the diagrams the speed is indicated as rotations pe...

Page 31: ...first level SYNTHETICS 80 20 90 20 90 20 SYN_SEC_W_LEV Water fill second level SYNTHETICS 75 50 85 50 70 45 SYN_FIRST_R_LEV Water fill first rinse SYNTHETICS 130 20 135 20 145 20 SYN_INT_R_LEV Water fill intermediate rinses 130 20 135 20 145 20 SYN_LAST_R_LEV Water fill first level last rinse 90 20 100 20 100 20 SYN_REF_R_LEV Rinse level refill 60 20 60 20 60 20 Levels for DELICATES DEL_FIRST_W_LE...

Page 32: ...rator Ö It checks the water level in tub via the level pressure switch and the safety one Ö It controls the water level via the flow meter Ö It checks the turbidity of the rinse water via the turbidity sensor 9 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...

Page 33: ...e wash programme which are written in dynamic format The RAM can be read using a DAAS interface EEPROM This area of memory contains the data necessary to restart the appliance in case of a power failure the parameters for the wash cycle such as water fill level speed and type of motor movement and the temperature during the various phases of the wash cycle Once written this data is protected and n...

Page 34: ...5 core 6 spring 7 calibration screw 8 connector The pressure switch is connected by a hose to the pressure chamber When the tub is filled with water the pressure created inside the hydraulic circuit expands the diaphragm This in turn modifies the position of the core inside the coil thus changing the inductance and the frequency of the oscillating circuit The electronic PCB according to the freque...

Page 35: ...l pressure switch which functions as follows contact 11 14 anti boiling safety level contact 21 24 anti boiling safety level contact 31 32 anti overflow safety level not all models 9 3 1 Pressure switch settings Full mm Refill mm Anti boiling level 50 3 30 3 Anti boiling level 50 3 30 3 Anti overflow level 390 15 240 50 ...

Page 36: ...l the pressure switch returns to the EMPTY position 9 5 Power supply and programme selection The main board 3 is powered by the interference suppressor 1 and by the closure of the contacts of the main switch 2 The affected connectors are J6 2 neutral and J10 1 line The control display board 4 is powered at 5V by the main board through the programme selector 5 it is possible to select the programme...

Page 37: ...d by pressing the START PAUSE button the bi metal PTC contacts 3 5 is powered by the triac on the PCB J10 2 connector after 2 4 seconds this closes the switch 5 4 which powers the electrical components of the appliance only if the door is closed ª The door interlock prevents aperture of the door while the appliance is in operation ª At the end of the washing programme the PCB disconnects the inter...

Page 38: ...s at an interval of 200 msec the first signal does not release the door the second signal which is transmitted only if the system functions correctly releases the door interlock and at the same time the contacts of the main switch are opened Conditions necessary for door release ª Before transmitting the door release signals the main PCB checks for the following conditions the drum must be station...

Page 39: ...ioner compartment are linked together with a intersection 2 4 compart ments Pre wash Stains Wash Bleach Conditioner pre wash and stain are in alternance 3 9 8 Water fill system The solenoid valves are powered by the main board through two or three triacs The state of the pressure switch full empty is detected over two sensing lines 1 Main board 2 Anti boiling level switch AE2 3 Anti boiling level ...

Page 40: ... components of the flow sensor are 1 Turbine with magnet and counterweight mounted on the outside 2 Reed switch normally open 3 Magnet 4 Counterweight Water entering the solenoid valve rotates the turbine 1 and magnet 3 which passes in front of the reed switch 2 thus closing it As this contact opens and closes it generates pulses at a frequency that is a function of water flow The turbine complete...

Page 41: ...may be a closed water tap or clogged filter on the solenoid valve with consequent low water pressure If this occurs a warning will be displayed and the cycle will continue for five minutes after which time an alarm will be signalled The solenoid valve controlling residual condensed water operates during the drying phase on washer dryers The alarm is deactivated because the amount of water fill is ...

Page 42: ... Drain pump 5 Interference filter 6 Aqua Control Besides supporting the various components on the appliance drain pump recirculation pump shock absorbers etc the base frame is designed to be a container that collects any water leaks that may occur from the drum from a tube or pipe etc These leaks are directed into an area where a float is installed When this float is raised by water it actuates a ...

Page 43: ...t is powered by a relay on the main board through the contacts on the pressure switches which must be closed on full 9 13 1 Heating element 1 Heating element 1950W 2 NTC sensor 9 13 2 Temperature sensor The temperature is controlled by the main board using an NTC temperature sensor RESISTANCE Ω TEMPERATURE ºC Nominal value Maximum value Minimum value 20 60 80 6050 1250 640 6335 1278 620 5765 1222 ...

Page 44: ...how clear the water is the clearer the water the more current the phototransistor conducts and as a result the higher the voltage output from the electronic circuit Low Conduction Medium Conduction Maximum Conduction The turbidity sensor operates during the Whites and Colours programmes COTTON It does not operate during the 60 C and 40 C Energy Saving programmes and the Night cycle The sensor is c...

Page 45: ...g on the software configuration may perform the anti foam control procedure if featured and the anti unbalancing control procedure 9 17 Anti foam control system The anti foam control procedure if featured is performed via the anti boiling pressure switch AB Spin phase without foam Spin phase with little foam Spin with little foam if the contact of pressure switch AB closes on FULL the spin phase i...

Page 46: ...e is repeated until the wash load is completely balanced ª Correct balancing of the wash load is achieved at a speed of 115 rpm after which the spin cycle begins The Unbalancing Control function takes place in different phases each phase is characterized by ª an unbalancing index 0 1 2 3 ª an unbalancing threshold value ex 350 650 850 1200rpm ª a time out max time Ending of the FUCS balancing phas...

Page 47: ...9 47 67 Balancing in the available longer interval Phase Unbalancing index Time out sec 1 0 60 2 1 120 3 2 60 4 3 90 5 1 120 6 2 90 7 3 90 Unbalancing after all phases In this case the spin or impulse is not performed 1 2 3 4 5 6 7 ...

Page 48: ... washing cycle or as a separate programme Various types of drying can be selected extra dry cupboard dry iron dry Time controlled cycle the drying time is selected by the user maximum 130 minutes for cotton and synthetic fabrics Cooling a cooling cycle is performed at the end of every drying cycle The drying heaters are powered directly by the main board via two relays and the contacts of the safe...

Page 49: ...dity control sensor NTC 1 Drying temperature control thermostat NTC 2 Safety thermostat auto reset 3 Manual reset safety thermostat 150 C 4 Drying heater NTC sensor resistance at 25 C 5000Ω Manual reset safety thermostat Normally closed Opens at 150 5 C Auto reset safety thermostat Normally closed Opens at 110 3 C Closes at 94 5 Power 920 920 W Voltage 230V 240V Heater group Resistance 56 5Ω 56 5Ω...

Page 50: ...tual cycle time ª alarms for reasons of safety the following groups of alarms remain enabled E40 door closed E50 and E90 communication between the boards configuration Version with ON OFF button Version with ON OFF button incorporated in the selector 1 Cancel the set programme and switch the appliance off 2 Rotate the programme selector of two positions clockwise 3 Press the start pause 8 button a...

Page 51: ...e 8 button and any of the option buttons simultaneously and then keeping them pressed switch the appliance on rotating the programme selector of one position clockwise 1 Hold the start pause and option buttons down till the LEDs start flashing about 5 seconds Attention the programme selector is not always in the position indicated in the picture it can be on the right or on the left of the display...

Page 52: ...erlock Washing solenoid if the level of water in the tub is below 1st level Heating element Door locked Water at 1st level Maximum time 10 min or up to 90ºC Heating Selection position code 7 Door interlock Washing solenoid if the level of water in the tub is below 1st level Motor 55 rpm clockwise 55 rpm counter clockwise 250 rpm impulse Door locked Water level at 1st level Check for leaks from the...

Page 53: ... After entering the diagnostics system the display board is checked all LEDs and the display light in sequence if featured Pressing all buttons the corresponding LEDs switch on or those closer the display shows the hexadecimal code corresponding to the button codification ...

Page 54: ...0 1 1 0 A 7 1 0 0 0 0 0 1 8 1 0 0 0 1 0 3 9 1 0 0 1 0 0 9 10 5 0 1 0 1 1 0 E 11 6 0 0 1 0 1 1 2 12 1 0 0 1 1 0 b 13 1 0 1 0 0 1 1 14 7 0 0 1 1 0 1 8 15 1 0 1 0 1 1 3 16 8 0 0 1 1 1 1 A 17 1 0 1 1 0 1 9 18 1 0 1 1 1 1 b 19 1 1 0 0 0 0 5 20 9 0 1 1 0 1 1 6 21 0 0 0 0 1 0 2 22 10 0 1 0 0 0 0 4 23 11 0 0 0 1 0 0 8 24 12 0 0 1 0 0 1 0 Selector position Closure of selector contacts C6 is the common Disp...

Page 55: ...formed before the door can be opened Cooling water fill if the temperature is in excess of 65 C Drain until the pressure switch is on empty during a max 5 minute time 13 1 1 Alarms displayed during normal operation The type of alarm condition is displayed to the user by the repeated flashing of the END OF CYCLE LED 0 4 seconds lit 0 4 seconds off with an interval of 2 5 seconds between sequences T...

Page 56: ...y These two LEDs are featured on all models though they are configured differently and flash simultaneously Notes The first letter of the alarm code E Error is not displayed since this letter is common to all alarm codes The alarm code families are shown in hexadecimal in other words A is represented by 10 flashes B is represented by 11 flashes F is represented by 15 flashes Configuration errors a...

Page 57: ... complete can be read only when the abnormal situation terminated 13 4 Rapid reading of alarm codes The last alarm code can be displayed even if the programme selector is not in the tenth position diagnostics or if the appliance is in normal operating mode e g during the execution of the washing programme ª Press and hold down START PAUSE and the option button nearest to the START PAUSE button for...

Page 58: ...efective Main board defective Emergency drain procedure Cycle stops with door unlocked OFF reset E24 Malfunction in sensing circuit on triac for drain pump Main board defective Emergency drain procedure Cycle stops with door unlocked OFF reset E31 Malfunction in pressure switch circuit frequency of signal from pressure switch out of limits Pressure switch Wiring Main board Cycle stops with door lo...

Page 59: ...r 5 attempts OFF reset E52 No signal from motor tachometric generator Motor faulty wiring faulty PCB faulty Cycle blocked door locked after 5 attempts OFF reset E53 Motor triac sensing circuit faulty PCB faulty Cycle blocked door locked OFF reset E54 Motor relay contacts sticking PCB faulty current leakage from motor or from wiring Cycle blocked door locked after 5 attempts OFF reset E61 Insuffici...

Page 60: ...CB Wrong configuration data Cycle interrupted OFF reset EB1 Frequency of appliance incorrect Power supply problems incorrect disturbance PCB faulty Cycle interrupted EB2 Voltage too high Power supply problems incorrect disturbance PCB faulty Cycle interrupted EB3 Voltage too low Power supply problems incorrect disturbance PCB faulty Cycle interrupted EC1 Solenoid valve inoperative but flow meter o...

Page 61: ...ress the start pause 8 and anyone of the option buttons simultaneously and then holding the buttons down switch the appliance on with the ON OFF button on off 4 Keep the start pause and option buttons down till the LEDs start flashing about 5 seconds 1 Cancel the set programme and switch the appliance off 2 Press the start pause 8 and anyone of the option buttons simultaneously and then holding th...

Page 62: ...qualified personnel only Unplug the appliance before accessing internal components 15 1 Flow meter If the flow meter malfunctions the entire solenoid valve assembly must be replaced 15 2 Aqua Control ª Disconnect the connector ª Insert a screwdriver into the holes indicated by the arrows and release the fasteners that attach the component to the base frame ª To attach the cover onto the base frame...

Page 63: ...dity sensor ª Disconnect the connector ª Loosen the clamps shown by the arrows and remove the tubes from the sensor unit 15 3 1 Installing the turbidity sensor 1 Connection to recirculation pump 2 End that is inserted into the bellows around the door ...

Page 64: ...SOI DT 2005 01 dmm 64 67 599 36 82 59 16 BASIC CIRCUIT DIAGRAM WD ...

Page 65: ...r condensation 18 Pilot lamp 19 Selector 20 Control display board 21 Turbidity sensor 22 Flow meter 23 Analogue pressure switch 24 Fan motor 25 NTC temperature sensor drying 26 NTC temperature sensor humidity 27 NTC temperature sensor washing 28 Thermal cut out motor 29 Stator motor 30 Rotor motor 31 Tachometric generator motor BEL_TY Condensation solenoid Triac DOOR_TY Door interlock Triac DRAIN_...

Page 66: ...SOI DT 2005 01 dmm 66 67 599 36 82 59 17 BASIC CIRCUIT DIAGRAM WM ...

Page 67: ...id valve 14 Bleach solenoid valve 15 Pilot lamp 16 Selector 17 Control display board 18 Turbidity sensor 19 Flow meter 20 Analogic pressure switch 21 NTC temperature sensor 22 Thermal cut out motor 23 Stator motor 24 Rotor motor 25 Tachometric generator motor BEL_TY Bleach solenoid Triac DOOR_TY Door interlock Triac DRAIN_TY Drain pump Triac REC_TY Recirculation pump Triac K1 Heating element relay...

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Electrolux EWM2000evo, Service Manual

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