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Electrolux WD001326, Руководство по обслуживанию

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Electrolux WD001326 Скачать руководство пользователя страница 27

TSE-P  01.01  EB

27/56

599 34 55-61

TECHNICAL CHARACTERISTICS

 EWM 2000

 

ELECTRONIC CONTROL UNIT

1. Main PCB
2. Control/Display Board

The main PCB performs the following functions:

-

acquisition of the wash cycle settings via the control/display board.

-

control of the water level in the tub via the electronic pressure switch and the safety pressure switch.

-

control of the temperature of the washing solution via an NTC sensor.

-

control of the speed of rotation of the motor via a signal from the tachometric generator.

-

powering of all the electrical components in the washing machine and control of the wash cycle.

Several basic versions of the main PCB are available:

 one for washing machines with AC motors

 one for washer/dryers with AC motors

 one for washing machines and washer/dryers with DC motors

BUZZER

CONTROL/DISPLAY BOARD

Microprocessor

PROGRAMME

SELECTOR

MAIN BOARD

                    

Microprocessor

SENSORS

ELECTRICAL

LOADS

Содержание WD001326

Страница 1: ...SI S p A Corso Lino Zanussi 30 Publication no I 33080 PORCIA PN ITALY 599 34 55 61 Tel 39 0434 394850 Fax 39 0434 394096 TSE P Edition 15 01 2001 EN SERVICE EB WASHING MACHINES WASHER DRYERS WITH EWM2000 ELECTRONIC CONTROL Styling Multipanel Built in Production Porcia PN IT ...

Страница 2: ...essor memory page 28 56 Electronic pressure switch page 29 56 Instantaneous door safety device page 30 56 Detergent dispenser page 31 56 Power supply to motor page 33 56 AC DC converter page 33 56 Recirculation pump page 34 56 Heating page 34 56 Drying washer dryers only page 35 56 DIAGNOSTIC AND CONFIGURATION SYSTEMS page 37 56 Access to the diagnostics and configuration systems page 37 56 Diagno...

Страница 3: ...ti foam control function unbalance control system FUCS jetsystem or traditional washing system Total exchange jetsystem or traditional rinse system spin speeds up to 1600 rpm commutator motor AC or DC with separate converter heating element in the tub 1950W water condensation drying system automatic or time controlled drying cycles 550 550 W drying heater ...

Страница 4: ... different design of the panel on the number of buttons LEDs Þ the different configuration of the buttons Control panel example GENERAL FEATURES Programme selector 24 21 o 12 positions Main switch bipolar switch Push buttons maximum 8 horizontal position LED maximum 28 green for the wash functions orange for the drying functions washer dryers Display 3 digits consisting of 24 green LEDs ...

Страница 5: ...ROL DISPLAY BOARD 1 Version with display washing machines and washer dryers Þ 3 digits Þ 28 LEDs Þ 8 buttons 2 Version without display washing machines Þ 21 LEDs Þ 6 buttons 3 Version without display washing machines Þ 14 LEDs Þ 6 buttons ...

Страница 6: ... WASH 30 3 IMP4 18 WOOL HAND WASH Cold wash 3 IMP4 19 SOAK 40 RINSES if spin 700 cotton rinses 3 IMPCF_1 20 RINSES if spin 700 delicate rinses 3 IMP7 SOFTENER if spin 700 cotton softener 1 IMPCF_1 21 SOFTENER if spin 700 delicate softener 1 IMP7 22 DRAIN SPIN if spin 700 cotton spin IMPCF_1 23 SPIN if spin 700 delicate spin IMP7 24 MINIPROGRAMME 30 2 IMP7 see spin cycle chapter 24 position selecto...

Страница 7: ... 3 IMP7 10 DRAIN SPIN if spin 700 cotton spin IMPCF_1 11 SPIN if spin 700 delicate spin IMP7 12 MINIPROGRAMME 60 0 C 2 IMP7 WASHING PROGRAMMES 12 position selector knob WD No Programme Temperature No of rinses Spin 1 CANCEL RESET 2 COTTON 90 0 C 3 IMPCF_1 3 COTTON DRYING 4 SYNTHETICS 60 0 C 3 IMP5 5 SYNTHETICS DRYING 6 DELICATES 40 0 C 3 IMP7 7 WOOL 40 0 C 3 IMP4 8 HAND WASH 40 0 C 3 IMP4 9 SOAK 4...

Страница 8: ... Light 30 C Prewash L6 Maximum speed Maximum speed 90 C Very heavy 90 C L7 900 rpm 900 rpm 60 C Heavy 60 C L8 700 rpm 700 rpm 40 C Normal 50 C L9 500 rpm 500 rpm 30 C Daily 40 C Quick 2 L10 Rinse hold Spin speed reduction 0 C Light 30 C Prewash Prewash 3 L11 Rinse hold Spin speed reduction Intensive Economy Stain Quick Prewash 4 L12 Rinse hold Spin speed reduction Intensive Economy Stain Quick Ext...

Страница 9: ...s off Possible options for each programme PROGRAMMES OPTIONS Cotton Synthetics Delicate Wool Mini Soak Rinses Softener Spin Drain 95 C Eco X 60 C X X 50 o Eco X X X 40 C X X 30 C X X X X Cold WM X X X X Electronic drying 3 levels 1 level Time controlled drying 10 130 minutes 10 100 minutes 900 rpm X X X 900 rpm X X X X 700 rpm X X X X 500 rpm X X X X X X X X No spin X X X X X X Rinse hold X X X X ...

Страница 10: ...K DAILY and the ECO options QUICK LIGHT SOIL DAILY button This option can be selected in the COTTON SYNTHETICS and DELICATES cycles and can also be selected while the appliance is in PAUSE mode This option reduces the duration of the cycle In COTTON cycles one of the rinses is eliminated the water level in the other rinses is increased This option cannot be selected together with the STAINS INTENS...

Страница 11: ...rpm for SYNTHETICS The configuration of this button varies according to the model Maximum speed rpm Level 1 rpm Level 2 rpm Level 3 rpm Level 4 1600 washing machines 900 700 500 1600 washer dryers 1200 900 700 1500 washing machines 900 700 500 1500 washer dryers 1200 900 700 1400 washing machines 900 700 500 1400 washer dryers 1200 900 700 1300 900 700 500 1200 900 700 500 1100 900 700 500 1000 90...

Страница 12: ...Press simultaneously pause button and no 6 or 5 button to disactivate the buzzer this option is memorised as long as it will not be disactivated through the same procedure In case of an alarm condition the buzzer will be active TEMPERATURE button only for appliances with the 12 position programme selector Type A Type B 90 C 90 C 60 C 60 C 40 C 50 C 30 C 40 C When this button is pressed the tempera...

Страница 13: ...e START PAUSE button Start After entering the parameters for the cycle press this button to start the wash programme the corresponding pilot light stops flashing If the DELAYED START button has been pressed the delayed start countdown is shown up in the display Pause When the button is pressed again the current programme is interrupted and the display or relative LED flashes When the appliance is ...

Страница 14: ...d the time decreases every hour Þ an alarm code in case of a malfunction PROGRAMME PHASE LEEDS During the selection of the programme the LEDs relative to the different phases of the programme light up When the cycle starts only the LED corresponding to the current phase lights The programme end LED switches on when the programme ends The overdosing LED switches on at the end of the cycle if during...

Страница 15: ...ewash wash softener Refilling NR Normal refilling VT Total exchange refilling virtual tank WL Electronic pressure switch AB Safety pressure switch Dis Level control disabled En Level control enabled Movement motor OFF Motor stopped ON Motor in operation LEV Level movement Tempo Tout Maximum time timeout Drying TMP It is active up to the selected temperature Motor movement Code Pause sec Movement s...

Страница 16: ...MOV_CODE to remove the water from the fabrics and therefore to increase the level in the tub 5 seconds pause during which the level is again checked and if necessary the solenoid valve is activated in order to load water until the level is correct energetic movement E with the circulation pump in operation These operations may be repeated up to a maximum of three times for each rinse The parameter...

Страница 17: ...ENT N_MOV 4 0 04 00 15 MOVEMENT SE_MOV 14 0 14 00 16 MOVEMENT OFF OFF Motor Stopped 22 0 00 20 17 WATER DRAIN Lev ON D_MOV Tout 10 0 00 20 18 SPINNING ON IMP6 Tout 20 0 09 00 19 1st RINSE MOVEMENT OFF ON CR3_MOV 5 0 00 10 20 WATER LOAD 75 20 LEV En Tout 15 0 01 40 21 MOVEMENT 35 25 E_MOV VT 5 0 05 00 22 MOVEMENT E1_MOV NR Dis 3 0 03 00 23 WATER DRAIN OFF Lev D_MOV Tout 10 0 00 20 24 SPINNING ON IM...

Страница 18: ...DRAIN Lev Tout 10 0 00 20 11 TIME WATER DRAIN ON 1 0 01 30 12 1st RINSE MOVEMENT 35 15 OFF OFF Motor Stopped 5 0 00 10 13 WATER LOAD 160 80 LEV En Tout 15 0 01 10 14 MOVEMENT ON PWL3_MOV 3 0 03 00 15 WATER DRAIN OFF Lev OFF Motor Stopped Dis Tout 10 0 00 20 16 TIME WATER DRAIN ON 1 0 01 30 17 2nd RINSE MOVEMENT 35 15 OFF OFF Motor Stopped 5 0 00 10 18 WATER LOAD 160 80 LEV En Tout 15 0 01 10 19 MO...

Страница 19: ... 14 MOVEMENT PWL3_MOV 4 0 04 00 15 WATER DRAIN Lev D_MOV Tout 10 0 00 20 16 SPINNING ON IMP6 Tout 20 0 09 00 17 1st RINSE MOVEMENT 40 15 40 15 OFF OFF Motor Stopped 6 0 00 10 18 WATER LOAD 125 70 En Tout 15 0 01 40 19 MOVEMENT 125 70 LEV E_MOV 5 0 05 00 20 WATER DRAIN Lev ON D_MOV Dis Tout 10 0 00 20 21 SPINNING ON IMP6_RINSE Tout 20 0 05 00 22 2nd RINSE MOVEMENT 40 15 40 15 OFF OFF Motor Stopped ...

Страница 20: ...10 0 00 20 11 TIME WATER DRAIN ON 1 0 01 30 12 1st RINSE MOVEMENT 40 15 OFF OFF Motor Stopped 6 0 00 10 13 WATER LOAD 153 110 En Tout 15 0 01 10 14 MOVEMENT ON PWL3_MOV 3 0 03 00 15 WATER DRAIN Lev OFF Motor Stopped Dis Tout 10 0 00 20 16 TIME WATER DRAIN ON 1 0 01 30 17 2nd RINSE MOVEMENT 40 15 OFF OFF Motor Stopped 6 0 00 10 18 WATER LOAD 153 110 En Tout 15 0 01 10 19 MOVEMENT ON PWL1_MOV 3 0 03...

Страница 21: ...35ºC FIRST COOL DOWN Tout 20 0 00 00 5 DRY_ACQ FULL ON ON DRY_MOV Tout 20 0 16 00 6 TIME DRY FULL 72 1 12 00 7 COOL DOWN OFF Tout 10 0 10 00 Synthetics STORE DRY Levels Movement step n Option Description wc Power Condensation valve Drain pump Fan Type Code Time Time to end 1 CALIBRATION OFF OFF ON OFF Tout 10 0 00 00 2 TAP_TEST 10 0 OFF ON N_MOV Tout 10 0 00 00 3 if T 35ºC FIRST COOL DOWN TMP ON T...

Страница 22: ...Step 1 The first phase has a preset unbalancing threshold if correct balancing is achieved the appliance performs the spin cycle If not after a maximum of 60 seconds a spin pulse at 470 rpm is performed and the function passes to step 2 Step 2 In the second phase the unbalancing threshold is variable if correct balancing is not achieved within 180 seconds the function passes to step 3 Step 3 The t...

Страница 23: ...w speed B FUCS phase 1 with pulse at 470 rpm C low speed D FUCS phase 2 E spin with anti foam function F low speed G FUCS phase 3 H normal spin Load slightly unbalanced after third phase A low speed B FUCS phase 1 with pulse at 470 rpm C low speed D FUCS phase 2 E FUCS phase 3 F reduced speed spin Load unbalanced after third phase A low speed B FUCS phase 1 with pulse at 470 rpm C low speed D FUCS...

Страница 24: ...TSE P 01 01 EB 24 56 599 34 55 61 SPIN CYCLES IMP_C0 spin pre wash COTTONS and SYNTHETICS penultimate rinse SYNTHETICS IMP5 spin final SYNTHETICS IMP7 spin final DELICATE FABRICS ...

Страница 25: ...P 01 01 EB 25 56 599 34 55 61 IMP4 spin final WOOL IMP6 spin first intermediate spin rinses COTTON maximum speed can be configured IMP6 RINSE spin intermediate rinses COTTON maximum speed can be configured ...

Страница 26: ...TSE P 01 01 EB 26 56 599 34 55 61 IMPCF_1_AC spin final COTTON AC motors IMPCF_1_AC spin final COTTON DC motors ...

Страница 27: ...trol of the temperature of the washing solution via an NTC sensor control of the speed of rotation of the motor via a signal from the tachometric generator powering of all the electrical components in the washing machine and control of the wash cycle Several basic versions of the main PCB are available one for washing machines with AC motors one for washer dryers with AC motors one for washing mac...

Страница 28: ...liance 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 normally can be read only using a DAAS interface data relative to the configuration of the appliance such as the speed of the final spin phase the volume of the tub the t...

Страница 29: ...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 frequency recog...

Страница 30: ...als at an interval of 200 msec and having the same 20 msec duration the first signal moves the cams a further position though without releasing the latch the second signal which is transmitted only if the system functions correctly moves the cams another position which causes the latch to retract thus releasing the safety device At the same time the contacts of the main switch are opened Condition...

Страница 31: ...nt dispenser may consist of three or four compartments 1 Solenoid valve 2 Detergent dispenser The various combinations of detergent dispenser nozzle for the various models are as follows 3 compartments pre wash wash conditioners 1 two way solenoid valve 3 compartments hot water pre wash wash conditioners 1 two way solenoid valve ΤΤΤΤ 1 solenoid valve for hot water fill 4 compartments pre wash wash...

Страница 32: ...TSE P 01 01 EB 32 56 599 34 55 61 Water fill to conditioner compartment pre wash and wash solenoids Water fill to bleach compartment bleach solenoid Hot water fill hot water wash solenoids ...

Страница 33: ...ll range operation depending on the spin speed The speed of the motor is controlled by a signal received from the tachometric generator During the spin cycles the microprocessor checks for an unbalanced load and for excessive foam AC DC converter This component which is fitted to certain models only serves to convert the alternating current generated by the TRIAC on the main PCB into a direct curr...

Страница 34: ...e heating element The temperature is controlled directly by the main PCB via an NTC temperature sensor Two versions of the NTC sensor exist depending on the type of tub their shape is different but their characteristics are identical 1 Plastic casing 2 Metallic capsule 3 NTC resistor 4 Terminals 1 NTC resistor 2 Metallic capsule 3 Terminals 4 Plastic casing RESISTANCE Ω Ω Ω Ω TEMPERATURE C Rated M...

Страница 35: ...he end of the washing cycle or separately Three types of drying can be selected Extra dry only cotton Store dry cotton and synthetics Iron dry only cotton Time controlled cycles the drying time is selected by the user maximum 130 minutes for cottons 100 minutes for synthetics At the end of all drying cycles a cooling phase takes place The drying heater is powered directly by the main PCB via two r...

Страница 36: ...ual reset type are fitted to the casing of the heating element 1 NTC sensor for control of drying temperature 2 Safety thermostat 98 C 3 Manual reset safety thermostat 150 C 4 Drying heater Determining the drying time In automatic cycles the NTC sensor fitted to the drying condenser is used to control the drying time 1 Drying condenser 2 NTC temperature sensor drying time ...

Страница 37: ...n of the main PCB analysis of alarm conditions control of the operation of each of the components in the appliance To access the system switch off the appliance and turn the programme selector knob to RESET press the START PAUSE button together with one of the other buttons and then holding down both buttons press the ON OFF button to switch on the appliance hold both buttons down until the buzzer...

Страница 38: ... the diagnostics system the system checks the display board The programme selector code is displayed for the first two seconds on the wash phase indicator LEDs after which all the LEDs light in sequence as well as the display if featured When each button is pressed the corresponding LED lights the wash phase LEDs and the display show the binary code corresponding to the code relative to the button...

Страница 39: ...appliance must be correct The wash phase LEDs and the display if featured show the binary code representing the closure of the programme selector contacts for two seconds After two seconds all the LEDs switch off and the diagnostics cycle corresponding to the position of the knob is performed If an alarm condition occurs during the diagnostics cycle operation of the appliance is interrupted and th...

Страница 40: ...els recirculation door interlock wash solenoid if level is lower than the antiboiling device recirculation pump Jetsystem models heating element Door closed water fill to above anti boiling level if not yet reached heating for max 10 min or to 90 C Water temperature in C 7 Check for leaks from tub door interlock wash solenoid if level is 150mm motor Door closed water fill above 150mm level if not ...

Страница 41: ...sent Closure of selector contacts C6 common Display code C1 C2 C3 C4 C5 1 Reset 1 Reset 0 1 1 1 1 1 E 2 2 0 1 0 0 1 0 6 3 0 1 1 0 0 1 4 4 3 0 1 0 1 0 0 C 5 0 1 1 1 0 1 C 6 4 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 1 0 0 9 10 5 0 1 0 1 1 0 E 11 0 0 1 0 1 1 2 12 1 0 0 1 1 0 b 13 1 0 1 0 0 1 1 14 0 0 1 1 0 1 8 15 6 1 0 1 0 1 1 3 16 0 0 1 1 1 1 A 17 7 1 0 1 1 0 1 9 18 8 1 0 1 1 1 1 b 19 ...

Страница 42: ...ple in the case of alarm E41 door open the display will show E40 In models not featuring a display window as well as the end of cycle LED which indicates error E the second LED indicates 4 in binary code As can be seen from the general alarm code table E4 alarm conditions include all alarms relative to door closure problems E41 door open E42 door interlock malfunction E43 E44 E45 problems with mai...

Страница 43: ...larm code the second four LEDs indicate the second digit of the alarm code For example if an E41 alarm condition door open is generated the display will show E41 and at the same time the second LED in group A equivalent to 4 in binary code and the fourth LED equivalent to1 in binary code will also flash If no alarm conditions have occurred the display shows E00 DIAGNOSTICS CYCLE ALARMS If a malfun...

Страница 44: ... limits Cycle blocked with door closed Electronic pressure switch wiring main PCB E32 0 0 1 1 0 0 1 0 Incorrect calibration of electronic pressure switch electronic pressure switch level different from 0 66 mm after initial calibration drain and anti boiling pressure switch on empty Cycle PAUSED Tap closed or mains pressure insufficient solenoid valve hydraulic circuit of pressure switches pressur...

Страница 45: ...ring main PCB E44 0 1 0 0 0 1 0 0 Sensing circuit of door delay interlock faulty input signal to microprocessor always 0V or 5V Cycle blocked Main PCB E45 0 1 0 0 0 1 0 1 Sensing circuit of door delay interlock triac faulty input signal to microprocessor always 0V or 5V Cycle blocked with door closed Main PCB E51 0 1 0 1 0 0 0 1 TRIAC which powers the motor short circuited TRIAC short circuit cut ...

Страница 46: ...y K3 Drain cycle blocked Anti boiling pressure switch 2 wiring main PCB E71 0 1 1 1 0 0 0 1 NTC wash sensor faulty voltage not within limits short circuit or open Heating phase skipped Wash NTC sensor wiring main PCB E72 0 1 1 1 0 0 1 0 NTC sensor on drying condenser faulty voltage out of limits short circuit or open Heating phase for drying skipped Drying NTC sensor condenser wiring main PCB E73 ...

Страница 47: ...t configuration of washing cycle E90 Cycle blocked Cycle software error main PCB EF1 1 1 1 1 0 0 0 1 Drain filter blocked drain phase too long Specific LED EF0 Drain hose obstructed kinked drain filter dirty blocked EF2 1 1 1 1 0 0 1 0 Excessive detergent too much foam during drains Specific LED EF0 Excessive detergent introduced drain hose obstructed kinked drain filter dirty EF3 1 1 1 1 0 0 1 1 ...

Страница 48: ...HE LAST ALARM CONDITION To cancel the last memorised alarm condition press START PAUSE button and no 4 button at the same time during the course of the diagnostics cycle The alarm is cancelled also when a new configuration is given to the main PCB ...

Страница 49: ...me selector and after two seconds the code relative to the first of the 16 digits of the configuration code i e position 0 when one of the option buttons is pressed with the exception of the START PAUSE button all the digits which make up the configuration code are displayed in sequence press the START PAUSE button to modify the configuration code digit by digit when all 16 digits have been entere...

Страница 50: ...tion of the value to be entered The same information is also displayed in binary format on the first four washing phase LEDs To read the various positions press one of the wash cycle option buttons the first position displayed is 0 B The last digit on the display if featured indicates the value of the configuration character to be entered in a given position The same information is also displayed ...

Страница 51: ...me selector counter clockwise by one position 3 Press the START PAUSE button sequentially to enter the letter A in position 0 If the appliance features a display window this will show 0 A if not the wash cycle LEDs should light as shown in column 0 of the table i e the fifth and seventh LEDs 4 Press one of the option buttons with the exception of START PAUSE to pass to the second position and ente...

Страница 52: ...TSE P 01 01 EB 52 56 599 34 55 61 EXITING THE DIAGNOSTICS CYCLE To exit the diagnostics cycle switch the appliance off on and then off again ...

Страница 53: ...TSE P 01 01 EB 53 56 599 34 55 61 BASIC CIRCUIT DIAGRAM AC motor ...

Страница 54: ...TSE P 01 01 EB 54 56 599 34 55 61 BASIC CIRCUIT DIAGRAM DC motor ...

Страница 55: ...re switch 1 11 Heating element washing 13 Motor 12 Anti boiling pressure switch 2 14 Recirculation pump Jetsystem models 15 Drain pump 16 Pre wash solenoid 17 Wash solenoid 18 Bleach solenoid or hot water solenoid certain models only 19 AC DC converter certain models only 20 Door lamp Washer dryers only 21 Condensation solenoid 22 Safety thermostat 23 Heating element drying 24 Manual reset safety ...

Страница 56: ... 01 EB 56 56 599 34 55 61 NOTES FOR THE REPLACEMENT OF THE CONTROL DISPLAY BOARD When replacing the control display board before fitting the new part cut the 5 plastic hooks placed on the PCB casing see figure ...

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