Electrolux Washer, Service Manual

Page 1: ...res Operations Italy Corso Lino Zanussi 30 Publication no I 33080 PORCIA PN 599 36 82 56 Fax 39 0434 394096 Edition 2005 01 12 EN WASHING MACHINES WASHER DRYERS with EWM2000EVO Electronic control With sensors and AEG NEXXXT display board Production ZP Porcia Italy ...

Page 2: ...SOI DT 2005 01dmm 2 65 599 36 82 56 ...

Page 3: ...start time 15 7 3 21 Disabling the buzzer 15 7 3 22 Electronic drying WASHER DRYERS certain models only 16 7 3 23 Drying time button 16 7 4 Variation of rinses when options are selected 16 7 5 Display certain models only 17 7 6 LEDs 17 8 WASHING PROGRAMMES 18 8 1 Base programmes for Cotton Linen cold 30 40 60 90 without options 18 8 2 Rinses of Cotton programmes 19 8 3 Cotton Linen programmes 90 E...

Page 4: ...aneous door interlock 38 10 8 Water fill system 39 10 8 1 Flow meter 39 10 8 2 Operating principle of flow meter 40 10 9 Drain pump 41 10 10 Recirculation pump 41 10 11 Aqua Control 42 10 12 Heating system 43 10 12 1 Heating element 43 10 12 2 Temperature sensor 43 10 13 Turbidity sensor 44 10 14 Motor 45 10 15 Power supply to motor 45 10 16 Anti foam control system 45 10 17 FUCS Fast Unbalance Co...

Page 5: ...m 5 65 599 36 82 56 15 3 Turbidity sensor 61 15 3 1 Installing the turbidity sensor 61 16 BASIC CIRCUIT DIAGRAM WD 62 16 1 Key for circuit diagram WD 63 17 BASIC CIRCUIT DIAGRAM WM 64 17 1 Key for circuit diagram WM 65 ...

Page 6: ... board and one control display board AEG NEXXXT 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: ...ing system Traditional included on display board Sensors Water level sensor Turbidity sensor 4 GENERAL SPECIFICATIONS WD Programme selector 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 u...

Page 8: ...or design of front panel the number of buttons and LEDs may vary configuration of buttons Example of WM control panel Buttons maximum 8 positioned horizontally LEDs maximum 27 Display 3 digits formed by 24 red LEDs Example of WD control panel Buttons maximum 9 positioned horizontally LEDs maximum 27 Display 3 digits formed by 24 red LEDs ...

Page 9: ... 9 65 599 36 82 56 5 1 CONTROL DISPLAY BOARD 5 1 1 Version with display Ö 3 digits Ö 26 LEDs 24 red one bicolour red and green Ö 9 buttons Version without display Ö 26 LEDs 24 red one bicolour red and green Ö 8 buttons ...

Page 10: ...sed to cancel the current programme and if the main ON OFF switch is built into the programme selector to switch the appliance off 6 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 for the enti...

Page 11: ...30 Cotton cold 20 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 ...

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: ...ay 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 7 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 prew...

Page 14: ...CATE FABRICS cycle Now press buttons 1 and 3 at the same time for at least 2 seconds until the extra rinse LED lights up This option will remain selected during later cycles To cancel the option repeat the procedure press buttons 1 and 3 at the same time for at least 2 seconds until the extra rinse LED switches off 7 3 12 Bleach ª Water is run through the bleach compartment at the beginning of the...

Page 15: ...ws the wash temperature to be adjusted up to the max temperature allowed for the cycle ª Available during cycle selection temperature can be adjusted with machine in the pause mode only if the heating phase has not yet begun 7 3 20 Delayed start time Models with digital display ª When the programme is chosen a delayed start ranging from 30 minutes to 23 hrs can be selected 30 60 90 2hrs 3hrs 23hrs...

Page 16: ... each time it is pressed from 10 to 130 minutes The drying function can be selected for automatic execution after a washing cycle or as a separate programme 7 4 Variation of rinses when options are selected Number of rinses for the options Normal Sensitive Super rinse Night cycle Easy iron No spin Night cycle Easy iron No spin Super rinse Very short 2 3 4 5 6 Short 3 4 5 6 7 Eco 3 4 5 6 7 Eco 2 3 ...

Page 17: ...me includes rinses and lights up during the rinses when the programme is executed Spin This LED lights up if the selected programme includes a spin phase and lights up during the spin phase when the programme is executed Drain This LED lights up if the selected programme includes a drain phase and lights up during the drain phase when the programme is executed Extra rinse This LED lights up when t...

Page 18: ...FF ON 35 15 W 55 8 8 5 min COT_SECOND_NW_LEV 15 Heating Temperature OFF ON 35 15 W 55 8 8 40 16 Heating Temperature OFF ON 35 15 W 55 8 8 60 60 42 30 20 17 Heating Temperature OFF OFF W 55 8 8 85 18 Maintenance Time OFF ON 35 15 W 55 10 3 se 90 55 8 8 2 min 5 min 5 min T ref 5 min T ref 5 min 19 Maintenance Time OFF ON 35 15 W 55 8 8 3 min 20 Heating Time OFF OFF W 55 10 3 5 min 21 Heating Tempera...

Page 19: ... COT_INT_N_R_LEV 40 Maintenance Refill Time OFF ON 35 15 W 55 8 8 5 min COT_REF_N_R_LEV 41 Turbidity measurement Time OFF OFF NO mov 6 sec 42 Drain Time ON OFF NO mov Empty Elect 14 sec 43 2nd Rinse Spin Time ON OFF C1 5 min with AS control 44 Water fill Level OFF OFF SF NO mov COT_LAST_N_R_LEV 45 Maintenance Time OFF OFF 55 8 8 30 sec 46 Water fill Level OFF OFF SF NO mov Qsf 4 Litres 47 Maintena...

Page 20: ... Time OFF OFF W 40 10 3 5 min COT_FIRST_W_LEV 15 Maintenance without Refill Time OFF ON 35 15 W 40 10 3 1 min 16 Maintenance Time OFF OFF W NO mov 22 sec 17 Maintenance 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 mov 22 sec 20 Heating Temperature OFF OFF W 55 8 8 67 54 44 21 Heating Temperature OFF OFF W 55 10 3 T re...

Page 21: ...ontrol The data are indicative BL Bleach SF Softener W Wash AS Anti foam control 8 4 2 For programmes with three rinses Motor Movement CYCLE N PHASE Description Drain pump Recirc Pump Deterg Disp Rpm Movem Pause 90 60 40 34 Water fill Level OFF OFF BL NO mov COT_FIRST_E_R_LEV 35 Maintenance Refill Time OFF ON 35 15 W 55 8 8 5 min COT_REF_E_R_LEV 36 Drain Time ON OFF NO mov Empty Elect 14 sec 37 1 ...

Page 22: ...n with AS control 10 Calibration Level ON OFF NO mov Drain 11 Flow calibration Level OFF OFF PW NO mov Water fill 12 Maintenance water softener Time OFF OFF PW 55 4 15 1 min 13 Water fill Level OFF OFF W NO mov SYN_FIRST_W_LEV 14 Maintenance Refill Time OFF ON 35 15 W 55 8 8 3 min SYN_SECOND_NW_LEV 15 Heating Temperature OFF ON 35 15 W 55 10 3 40 40 40 30 20 16 Heating Temperature OFF ON 35 15 W 5...

Page 23: ...Wait Time OFF OFF NO mov 6 sec 31 Maintenance Refill Time OFF ON 60 20 W 55 10 3 3 min SYN_REF_R_LEV 32 Drain Time ON OFF NO mov Empty Elect 14 sec 33 Drain Time ON OFF 55 4 12 1 min 34 2nd Rinse Spin Time ON OFF C0 4 5 min with AS control 35 Water fill Level OFF OFF SF NO mov SYN_LAST_R_LEV 36 Wait Time OFF OFF NO mov 6 sec 37 Maintenance Time OFF OFF 55 10 3 30 sec 38 Water fill Level OFF OFF SF...

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 mov Empty 14 sec 19 Water fill Level OFF OFF BL NO mov DEL_FIRST_R_LEV 20 Maintenance Refill Time OFF ON 60 20 W 55 4 12 3 min DEL_RE...

Page 25: ... Empty 14 sec 9 Water fill Level OFF OFF W NO mov 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 mov Empty 14 sec 12 1st Rinse Drain Time ON OFF 55 4 12 1 min 13 Water fill Level OFF OFF W NO mov 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 mov Empty 14 sec 16 2nd Rinse D...

Page 26: ...F NO mov Empty 14 sec 9 Water fill Level OFF OFF W NO mov 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 mov Empty 14 sec 12 1st Rinse Drain Time ON OFF 55 4 12 1 min 13 Water fill Level OFF OFF W NO mov 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 mov Empty 14 sec 16...

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 9 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 mov 2 Water fill control Level OFF OFF 10 0 COND 55 8 8 3 Unrolling Time ON OFF 55 8 8 10 min On...

Page 28: ...elicate movement D55 sec g 12 0 4 55 12 0 4 55 9 3 2 N55 Normal movement N 55 sec g 8 0 8 55 8 0 8 55 9 3 3 E55 Vigorous movement E 55 sec g 3 0 10 55 3 0 10 55 9 3 4 PWL_1 wool Delicate movement PWL_1 sec g 40 0 1 35 40 0 1 35 9 3 5 PWL_4 hand wash Delicate movement PWL_4 sec g 57 0 1 35 57 0 1 35 ...

Page 29: ...0 1 FUCS x 450 30 650 20 850 10 1200 60 9 3 8 C1 Cotton Linen Rinses Intermediate Spin C1 intermediate g sec FUCS x IMP 450 1 FUCS x 450 30 650 20 850 10 1200 60 9 3 9 COT_CF Cotton Linen Final Spin COT_CF final cotton g sec FUCS x IMP 450 1 FUCS x 450 30 650 15 850 5 1000 95 1150 75 1400 45 1600 65 9 3 10 SYN_CF Synthetics Intermediate and Final Spin SYN_SF intermediate final g sec FUCS x IMP 450...

Page 30: ...1000 20 9 3 13 Easy iron Impulse Cycle EI EASY_IRON_IMP g sec FUCS x 450 1 FUCS x 650 1 FUCS x 800 1 FUCS x 900 1 9 3 14 Intermediate Spin for Cotton Linen CSR with Super rinse option CSR g sec FUCS x IMP 450 1 FUCS x 450 90 9 3 15 Movement during drying phase DRY_MOV g 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 indi...

Page 31: ...THETICS SYN_FIRST_W_LEV Water fill 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 ...

Page 32: ...erator 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 10 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 t...

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 frequ...

Page 35: ... boiling level 50 3 30 3 Anti boiling level 50 3 30 3 Anti overflow level 390 15 240 50 10 4 Detergent dispenser The EWM 2000 plus electronic system and LCD can control different types of dispensers Type Detergent dispenser No of solenoid valves 3 compart ments Pre wash Stains Wash Conditioner pre wash and stain are in alternance 2 Pre wash Stains Wash Bleach Conditioner the pre wash stain and con...

Page 36: ...l the pressure switch returns to the EMPTY position 10 6 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 programm...

Page 37: ...ed 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 inte...

Page 38: ...ls 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 statio...

Page 39: ... Solenoid valve for prewash 5 Solenoid valve for wash 6 Solenoid valve for bleach on some models 7 Heating element 10 8 1 Flow meter Some models of solenoid valves have a built in flow sensor which measures the quantity of water in litres that is loaded into the appliance If the sensor malfunctions the water level is controlled by the analogue pressure switch Solenoid valve exploded view Main boar...

Page 40: ...olenoid valve The solenoid valve may jam open without being actuated which will cause flooding if the pressure switch controlling the water level does not trip If this occurs the electronic control system which continuously monitors the flow sensor will lock the door start the drain pump and display an alarm Low water pressure If the flow sensor does not generate a signal during water fill even th...

Page 41: ...ws ª for a pre determined period ª until the anti boiling pressure switch closes on EMPTY after which the pump is actioned for a brief period or passes to the subsequent phase 10 10 Recirculation pump In the Jetsystem models the recirculation pump is powered directly by the main PCB via a triac 1 PCB 2 Anti boiling pressure switch AE 2 3 Anti boiling pressure switch AE 1 4 Recirculation pump ...

Page 42: ...ides 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 microswitch that starts the drain pump When the swit...

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 10 12 1 Heating element 1 Heating element 1950W 2 NTC sensor 10 12 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 122...

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: ...ng on the software configuration may perform the anti foam control procedure if featured and the anti unbalancing control procedure 10 16 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...

Page 46: ...re 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 pha...

Page 47: ...6 47 65 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: ...in pump are disabled ª display since the phases in the demo cycle are very quick one second corresponds to one minute of a real cycle the time until the end of the cycle decreases by one unit every second It must be remembered that the time until end of the cycle does not always correspond to the real time of a cycle ª alarms for safety reasons the following alarm families are enabled E40 door clo...

Page 51: ...e In the first position the system tests the operation of the buttons and the corresponding LEDs Turn the programme selector clockwise to perform the diagnostics tests for the various components and to read the alarms 13 2 Exiting diagnostics mode ª To exit diagnostics mode switch the appliance off then on then off again 13 3 Phases of the diagnostics cycle Irrespective of the type of programme se...

Page 52: ...unit Solenoid valve for wash cycle if water in drum is lower than 1st level Heating element Door closed Water at 1st level Max heating time of 10 min or until temp reaches 90ºC Heating selector position code 7 Door lock unit Solenoid valve for wash cycle if water in drum is not at 1 st level Motor 55 RPM clockwise 55 RPM counter clockwise pulse operation to 250 RPM Door closed Water at 1st level C...

Page 53: ...ramme selector in the various positions and the corresponding code The code is displayed only on aappliances featuring a display panel Position of selector Closure of selector contact C6 is the common contact Code displayed 1 24 position type C1 C2 C3 C4 C5 1 cancel 0 1 1 1 1 1 E 2 0 1 0 0 1 0 6 3 0 1 1 0 0 1 4 4 0 1 0 1 0 0 C 5 0 1 1 1 0 1 C 6 0 0 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...

Page 54: ...an be opened Cold water fill if temperature exceeds 65 C Drain until analogue pressure switch signals empty within a timeout of 5 minutes 14 1 1 How alarms are displayed during normal operation The user is shown the alarm family on the display if installed and the end of cycle LED flashes repeatedly 0 4 seconds lit Ö 0 4 seconds off Ö pause of 2 5 seconds between flashes This LED is always install...

Page 55: ...lled on all models without a display even though they may be located in different positions and they flash at the same time Note The first letter of the alarm code E Error is not displayed because it is common to all alarms The families of alarm codes are expressed in hexadecimal form so the letter A is represented by 10 flashes B is represented by 11 flashes F is represented by 15 flashes Configu...

Page 56: ...f alarms is disabled the diagnostic mode cannot be accessed and the quick readout of alarms mode cannot be used The alarm can be read only after the abnormal situation is corrected 14 4 Quick display of alarms The last alarm that has occurred can be displayed even if it is not in the tenth diagnostic position or the machine is in the normal operating mode for example while the wash programme is in...

Page 57: ...tive current leakage between heater and ground Cycle is paused Start E23 Defective triac for drain pump Drain pump defective Wiring defective 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 pres...

Page 58: ...ive Emergency drain procedure Cycle stops OFF reset E44 Defective sensing by door delay system Main board defective Emergency drain procedure Cycle stops OFF reset E45 Defective sensing by triac on door delay system Main board defective Emergency drain procedure Cycle stops OFF reset E51 Motor power supply triac short circuited PCB faulty current leakage from motor or from wiring Cycle blocked doo...

Page 59: ...pted OFF reset E94 Incorrect configuration of washing cycle Incorrect configuration data PCB faulty Cycle interrupted OFF reset E95 Communication error between microprocessor and EEPROM PCB faulty Cycle interrupted OFF reset E97 Incongruence between programme selector and cycle configuration Faulty PCB Wrong configuration data Cycle interrupted OFF reset EB1 Frequency of appliance incorrect Power ...

Page 60: ...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 61: ...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 62: ...SOI DT 2005 01 dmm 62 65 599 36 82 56 16 BASIC CIRCUIT DIAGRAM WD ...

Page 63: ...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 64: ...SOI DT 2005 01 dmm 64 65 599 36 82 56 17 BASIC CIRCUIT DIAGRAM WM ...

Page 65: ...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...