Service Manual
Contents
1. 5 This procedure tests the operation of the hot water solenoid Q valve where fitted and only with pressure switch OFF and the motor during washing D Q o S M P E 18 A 18 07 06 TROUBLESHOOTING GUIDE Before carrying out any operations on a component check the quality of the electrical connections to the electronic control unit e Check the condition of the wiring harness for wear twists breakages and the connections Always start by checking the other components involved and then check the electronic control unit last The program will not start Try the Manual Autotest A If the appliance DOES NOT enter autotest mode recognisable by the following components not lighting up Leds for appliances with a small display and 1 knob or 2 knobs without display Large LCD display for appliances fitted with same Then the following checks must be carried out Check that the electrical connections of the Potentiometer are correct and according to the wiring diagram that the component is undamaged and in working order otherwise replace the component Check that the electrical connections of the pushbutton circuit board are inserted correctly If so and the problem persists replace the pushbutton circuit board Finally if this doesn t solve the problem replace the main electronic control unit B If the appliance ENTERS autotest mode depending on the type of appliance the fol2. E lit i e Y Y e e 5 amp b g b a h a This procedure tests the operation of the hot water solenoid valve e ee m Tewe TP where fitted and only with pressure switch OFF the motor during washing and the drum positioning S M P E 16 A 18 07 06 AUTOTEST for low speed electronic appliances with 4 pushbuttons The combination Knob 6 o clock and Autotest Selector button pressed for 5 6 seconds starts the Autotest When the washing machine is powered up the test begins The power led and the pushbuttons light up I J sf n NB aaao Nye The colour used for the buttons and ase the knob has no significance 1 e 8 34 N Manual Autotest Selector 6 o clock This test will automatically check the following That the Thermistor is not in short circuit or disconnected the Pressure Switch OFF condition no water in tub that the Door catch is working properly contact closed that the Program selector is connected properly If the result of the test is positive the power led lights up the pushbuttons switch off and all the functions on the appliance can be tested through the programmer knob Button illumination test The Spin speed selection button is not luminous All the other buttons change their status from On to Off or vice versa each time they are pressed The programmer knob selects the various phases of the test which are
3. E F LAE42 14 06 2004 F Control unit production date G Control unit code H Control unit update version 546063200 01 G H ESR Ae I IIIIIIIIIIIIIII IIIII IIIIIIIIIIIII IMPORTANT Before replacing an electronic control unit use the autotest to make sure that all the electric components are working properly that the contacts of the electronic control unit connections are sound and that the mains voltage is within the required limits S M P E 07 A 18 07 06 Positions of the buttons on the various model styles General There are different types of electronic washing machines with or without LCD Display These types may be further subdivided according to their particular styling in terms of the positions of the wash option buttons This however does not influence the operation of the appliance in that the operation of the electronic control unit is the same in all cases regardless of any extra functions that may be available on some models Example of an appliance with 1 knob and without display Model style CM 4 buttons OO NN gt Prewash Selector Energetic wash selector Manual Autotest Selector No spin selector Program start selector Example of an appliance with 1 knob and without display Model style CM O a WH Delayed start selector Spin speed selector Prewash selector Energetic wash selector Manual Autot
4. The acceptance of the test is signaled by the leds switching off or by a display code indicating the program corresponding to the position of the knob in autotest From this point on all the suspect components can be tested The correspondence between the reference position of the knob and a wash program is purely indicative in that this is linked to the appliance model in question S M P E 13 A 18 07 06 DIAGNOSTICS TABLE Summary table of the tests that can be carried out on Possible displays according Position of appliances with an LCD Display and fitted with to the appliance model knob index a 3 way Solenoid valve under test mark Test N 1 Start position all the functions are deactivated T The control unit automatically tests the operation of the R i thermistor the pressure switch OFF condition no water in tub the program selector and the door catch closed condition ame 1 6 o clock position Test N 2 Fills with water through the cold solenoid valve until the first pressure switch level is reached This procedure tests the operation of the solenoid valves e and pressure switch 2 Test N 3 The heater element is activated only with water h m h m The motor rotates alternately in both directions clockwise and anticlockwise This procedure tests the operation of the heater element the motor during washing ae eee
5. corresponds to a number of operations managed by the microprocessor 10 Commutator motor 220 240V 50 60 Hz The commutator motor can be powered by direct current DC recognisable by the 1 2 FIELD contact on the terminal board or by alternating current AC Appliances with 42 litre drum volume AC motor spin speed 800 rpm 1100 rpm DC motor spin speed 1200 rpm or higher AC commutator motor terminal board DC commutator motor terminal board 1 2 FIELD gt For DC motors only gt Tachometric gt Tachometric Tachometric Tachometric Stator 1 Motor Thermal Motor Thermal Motor Thermal Motor Thermal Rotor 1 gt Rotor 1 Rotor 2 Rotor 2 Stator 2 M10 Stator 2 IMPORTANT It is not possible to replace just the tachometric on commutator motors The motor brushes are not supplied as single spare parts It is not technically possible to measure the ohmic resistance of this type of motor using a tester The nominal data is reported on the motor itself z S M P E 05 A 18 07 06 TECHNICAL DATA Water fill principle At the start of the wash program the control unit according to the program selected commands the solenoid valve to feed water to the appliance providing the pressure switch authorises the action the pressure switch must be OFF i e with contact P11 P14 open When the required water level has been reached the control unit closes the sole
6. one test to another takes a few seconds ee 6 0 clock during this time the Power LED flashes Start position all the functions are deactivated a En The control unit automatically tests the operation of the aS i thermistor the pressure switch OFF condition no water in Q tub the program selector and the door catch closed condition 1 Test N 2 Fills with water through the cold solenoid valve until the first ee es pressure switch level is reached a e This procedure tests the operation of the solenoid valves 9 9 z 9 and pressure switch ahs ae 2 Test N 3 The heater element is activated only with water The motor rotates alternately in both directions 7 Q clockwise and anticlockwise ae N e This procedure tests the operation of the heater element 2 R A N the motor during washing 3 Test N 4 N B In Autotest on some models the No Spin function is disabled The drain pump is activated and the spin runs at the preset speed This procedure tests the operation of the drain pump 2 4 the motor in spin mode oe gt Test N 5 Fills with water for 10 seconds through the hot solenoid valve where fitted only with pressure switch off wash motor operation at different rpm and direction according to the model of electronic circuit board fitted to the p q appliance
7. properly S M P E 19 A 18 07 06 DIAGNOSTICS TABLE Water does not enter the tub Check that the water feed valve to the washing machine is open Start the manual Autotest procedure then carry out Test N 2 If water still does not enter the tub use a Tester to carry out the following checks check that there is Ohmic resistance Ohms between the two terminals of the solenoid valve if the circuit is open replace the component check that there is voltage at the ends of the wires connecting the solenoid valve to the control unit If there is no voltage replace the electronic control unit The washing machine does not heat the water in the tub Start the manual Autotest procedure then carry out Test N 2 to fill the tub with water this is necessary in order to allow the heater element to work On completion of this operation carry out Test N 3 If the water is still not heated use a Tester to carry out the following checks check that there is Ohmic resistance Ohms If the circuit is open replace the component check that there is continuity between the two contacts of the T90 safety thermostat if fitted if the circuit is open replace the component check that there is voltage at the ends of the wires connecting the heater element to the control unit If there is no voltage replace the electronic control unit The motor does not turn properly during a wash and or spin Start the manual Autotest proced
8. test NNN The Spin speed selection button is not luminous The Delayed start button only lights up when pressed The Start button only lights up when pressed All the other buttons change their status from On to Off or vice versa each time they are pressed The spin speed selection button can change the set rpm at any time if pressed during the test gt ig N B This button is not luminous On some models the No Spin function is disabled during the Autotest phase The Start button switches the display wash dry symbols on and off cyclically y The programmer knob selects the various phases of the test which are then displayed by the timer as described in Manual Test Selection INTRODUCTION The electronic control unit also allows individual components to be tested by varying the knob setting and maintaining the other conditions unchanged Once the autotest function has been started the required test can be selected by placing the knob in the appropriate position Each position of the knob corresponds to a component test Starting from the start position 6 o clock and rotating the knob anticlockwise one position at a time there are 5 tests that can be carried out Except for the first test which is carried out by the control unit itself in order to verify the result of the test the behaviour of each tested component must be monitored The control unit takes a few seconds to pass from one test to the next
9. then displayed by the timer as described in Manual Test Selection INTRODUCTION The electronic control unit also allows individual components to be tested by varying the knob setting and maintaining the other conditions unchanged Once the autotest function has been started the required test can be selected by placing the knob in the appropriate position Each position of the knob corresponds to a component test Starting from the start position 6 o clock and rotating the knob anticlockwise one position at a time there are 5 tests that can be carried out Except for the first test which is carried out by the control unit itself in order to verify the result of the test the behaviour of each tested component must be monitored The control unit takes a few seconds to pass from one test to the next The acceptance of the test is signaled by the power led which changes its status from flashing to ON From this point on all the suspect components can be tested The correspondence between the reference position of the knob and a wash program is purely indicative in that this is linked to the appliance model in question S M P E 17 A 18 07 06 MANUAL AUTOTEST For model styling with 1 knob and 4 pushbuttons Setting the programmer knob at the positions described below will test the electric components and functions of the washing machine Manual Autotest Selector 6 o clock Power Knob Index i Position N B Passing from
10. 3 Test N 4 N B In Autotest on some models the No Spin function is disabled The drain pump is activated and the spin runs at the preset speed als gt This procedure tests the operation of the drain pump e the motor in spin mode ae 74 Fills with water for 10 seconds through the hot solenoid valve where fitted a only with pressure switch off wash motor operation at different rpm and h m Test N 5 direction according to the model of electronic circuit board fitted to the appliance During this phase for appliances fitted with a drum positioning lt a sensor the start led flashes if operation is correct otherwise it will remain lit y This procedure tests the operation of the hot water solenoid valve where fitted and only with pressure switch OFF the motor during 5 washing and the drum positioning p tes S M P E 14 A 18 07 06 AUTOTEST for electronic appliances with 7 pushbuttons and no display The combination Knob 6 o clock and Autotest Selector button pressed for 5 6 seconds starts the Autotest When the washing machine is powered up the test begins The power led and the pushbuttons light up 2 s G ede090O 123 45 6 7 NB The colour used for the buttons and the knob has no significance Manual Autotest Selector 6 o0 clock This test will automatically check the following That the Thermistor is not in short circuit or disconnected the Pressu
11. 49I3 AJLA 1 EM JOH HAA gu 6B pueo Lejonen A EA 1EM Buryoeajg gA3 oI6BeAE1 31d P OA PA0119 3 ane 48 BuluSEAA S1d dA3 obere E OAJPA011 9 3 A EA 1EM BUIYSEM Aa ooueos edwod dund uleiq Sd eoujawiyoe 4JaJaWOYyoe OHOVL S pzu sis JoUuu 9 AVAHSISOI PLLLI U VGNOS 1oleuuuueJ5oid 4owiwes6old 90ud I wR Sens eBnji u 95 on tuolzu9 od JaJaWO ZUajod p ds ulds ajqeue j 3A LOd u s 2 o esmesadwa OJJ WOIZU9 Oq J tuuo zu od ainjeladwas ajqeue H1 LOd B p a 3 pluodoooolg yoyims Aejap OIW ssa jaued jul i Epa Ep ol e soss lqd JEJSOSSAld Hadd z 2 s s OJJL Al oje soss 1q jejsossaid jane UBIH Hud I 1 o ___ osseq Al oJe soss lq Jejsossaid J A MOT Tad M al E r oqunlsipi ue ol Jossaiddns aduasaplaju O peYy dl Sati ei a 35 i S e uelje j suondii5s dq usii6Bug UOIJEIA91qQV I a uoljo uuoo 3 i aigeoyels Q M A TLL d I Li S 1N0 zdg 4 dY 63 lda tld a Lid O31n3N d8 NI Adis SIN3NOdINOO asv4 JU wav 7 LUD mav Tv4 WVYSVIC SNI3IA dO 3T1dNVS TECHNICAL DATA Description of electrical components General 1 oer Voltage according to the model 230V 240V 10 50 Hz Speciicaiions Max absorption 2200 W Fuse 10A 2 Drum speed Slow spin H a x 550 rpm High speed spin IU R haccording to the model 3 Tubular wash heater ele
12. BLE Water flows into the tub continuously Check that the solenoid valve is not damaged water should not enter the tub when the appliance is switched off Check that the pressure switch is working by carrying out Test N 2 Check that Pressure switch contact P11 P14 is closed allow this phase of the test to continue for a few minutes then make sure that there are no air leaks Check that there are no leaks from the gaskets rubber couplings or tub unit Check that the pressure switch pipe is not holed or bent If all the above tests are positive replace the electronic control unit SAFETY measures adopted in the electronic control unit software Motor rotor jammed or Tachometric open After eight failed attempts to start the motor either in wash or spin mode the control unit passes to the end of the cycle and the End led flashes on appliances without a display or the word End appears on appliances with a display Drain Pump blocked Ifthe control unit does not detect the pressure switch empty condition after twenty minutes of pump running time it passes to the next step and continues the cycle until the end of the program stopping with water still in the tub Thermistor or thermostat malfunction If after fifty minutes of heater element operation the set temperature has not been reached the control unit advances and continues the cycle as normal though with cold water S M P E 21 A 18 07 06
13. Technical Assistance Service 466000113 For Electronic Top Loading Washing Machines with or without display water feed through a 3 way solenoid valve 1st EDITION July 2006 The manufacturer reserves the right to update this manual without prior notification IMPORTANT Remove the plug from the mains power supply when carrying out any operations on the machine INTRODUCTION This manual has been written taking into consideration most of the electronic washing machines in our production range and possessing various construction technologies and aesthetics with or without LCD display Consequently this Manual must be used together with all the other technical documents appertaining to the product in question exploded views wiring diagrams technical information sheets etc WATER SUPPLY This manual provides instructions for connecting the appliance to the mains water supply with explanations for washing machines with cold water feed only and those with both a hot and cold water feeds The water pressure must be between 0 05 and 1 Mpa RATING PLATE The rating plate is located on the rear panel of the washing machine Ifthe casing needs to be replaced remove the rating plate and attach it to the new casing The rating plate reports all the nominal data required by current standards power supply voltage total absorbed power etc The serial number consists of 11 characters that indicate the date o
14. en Close f T90 92 C 3 50 C 10 6 B Version with fixed safety thermostat and separate thermistor water in tub temperature sensor PO rarer L a The NTC sensor allows precise control of the temperature 2 C f TRIPROBE f As the temperature of the water increases the ohmic resistance of the Lape a sensor decreases To check the operation of the component heat the water to 25 C then use RP a tester to check that the ohmic resistance is around 5 kOhm i Open Close a 1 64 ___ Fixed safety thermostat 92 C 3 with automatic reset and f T90 90 C 3 gt 75 C Normally Closed Contact A single level pressure switch is used with the following functions P11 P14 Signals the electronic control unit open closed that the low water level has been reached f heater element safety switch Contact P16 functions as an overflow safety device and trips when there is too much water in the tub Washing machine fill levels The washing machine levels are calculated by the electronic control unit according to the type and quantity of washing placed in the tub and the set program and adds a safety margin which is pre programmed in the module software S M P E 04 A 18 07 06 TECNICAL DATA Description of electrical components 8 Version with 3 way cold water solenoid valve O White coil Flow rate MAX 10 15 I mi
15. est Selector Extra rinse selector Depending on the model 6 1 Anti crease selector 6 2 Spin delay selector 6 3 Drying selector 6 4 Stain removal selector Program start selector 7 buttons 12 leds e op Example of an appliance with 1 knob and with large display Model style CM 7 buttons LCD O a ON Delayed start selector Spin speed selector Prewash selector Energetic wash selector Manual Autotest Selector Extra rinse selector rie da on the model Anti crease selector 6 2 Spin delay selector 6 3 Stain removal selector Program start selector S M P E 08 A 18 07 06 Pushbutton specifications Description of the functions of the selector buttons D LL Delayed start button This button allows a delayed start to be programmed for a selected wash program The set delay time is displayed by the timer LCD in hours minutes delays possible from 1 to 16 hours or by the leds above the button for models without display The setting is confirmed by pressing the Start button the Delay button will then light up to indicate that the function has been activated With the timer display at zero the Delay button indicator light will switch off and the Start button will light up During the delay phase the Delay button remains enabled to allow the delay setting to be modified Spin speed setting button this button is not illuminated The but
16. ext press selects the No spin function and is displayed by 00 NB When the program is reset the display switches off S M P E 10 A 18 07 06 CONTROL PANEL Program and Temperature selector knob mas This knob is used to select the type of wash and the most appropriate temperature for the items to be washed Positioning the knob at the STOP position will reset the programming of the appliance If for any reason you want to change the set wash program or add more washing to the load during the wash cycle simply place the programmer knob on STOP the DISPLAY and the START button will switch off then re position the knob on the new program and press the START button N B After carrying out this operation check that there is detergent in the appropriate compartment and add if necessary Warning Only use this function if strictly necessary and then only if the program to reset has been running for less than 3 minutes Before opening the top lid after a reset wait 2 minutes for the locking mechanism to release IMPORTANT The time reported on the display is purely indicative even though it is updated continuously during the wash cycle The wash time in fact can be influenced by a number of factors Temperature and Pressure of the mains water supply system Voltage Quantity of washing and types of fabric in the drum These electronic appliances are fitted with an EASY LOGIC system that auto
17. f manufacture and serial number For example rA 20060300001 4 figure number v 5 figures denoting the eae progressive number manufacture 2 figure number denoting al the hae amg the week of manufacture WEEEOLMANUTACIUIE week five of 2006 Model WA46E 20060300001 012020085 02 220 230 50Hz Ld Manufacturer s product identification code Should any problems occur with the washer drier the Main Technical Assistance Office in your country must be informed of the serial number and the model in question in order to help the manufacturer identify the product S M P E 02 A 18 07 06 18 07 06 S M P E 03 A jeued juol4 pueog 1 uloN ol l s O 0990 g 1osu s dosuas unuq abeddojs 29 ezu SIs 1 l iqisnj 10 99 01d SN4 Buyeay du BJOJO ODIWU9 9410 9 014 fO jNd jeuna y WL olbbene 1o olN dojow Bulysem uie N OOluo411 O NPOY yun jouog no Re en S Ste oe OSSIJ oO e souu Je souul u D XIJ HL Ad3849 ALIHM HO UO lues nq uoyng JjJO NO sv OBDeARI cela Ju uu Puneo Bulysem JH messene Pry PTET olbbenejaid sozenyy dojenjoe Bulysemald a nv qaq anid LHO NMOJg ol6bene asojenyy Jojenjoe Bulyse whe Ppp 1J E OA PAO4119I3 AJLA 18 A PjOD SA3 epjeo e oA PAO
18. lowing components will light up 1 For appliances with no display the wash phase leds will all remain lit 2 For appliances with an LCD display the display illumination will be minus graphics If this occurs it means that the control unit has discovered a malfunction in one of the three components that it is testing the thermistor the pressure switch the door catch To check the operation of the thermistor Disconnect the wiring from the thermistor and use a multimeter Tester to check the ohmic resistance which should be approximately 5 kOhm at an ambient temperature of 25 C if the result is positive check the Pressure switch if the result is negative replace the Thermistor To check the operation of the Pressure switch Disconnect the electrical wiring from the Pressure switch and check that contact P11 P14 is open if the result is positive check the Door catch If the result is negative check that the pressure switch pipe and the compression chamber are not blocked if these are OK replace the Pressure switch To check the operation of the Door catch Check that connections BP1 BP2 and BP3 have been properly made Use a Tester to check the voltage between contact BP3 and BP1 if the test result is positive replace the component If there is no voltage replace the electronic control unit Once this procedure has been completed the problem should have been resolved and the appliance should work
19. matically recognises the quantity of washing placed in the drum This function regulates the duration of the wash and quantity of water used thus saving water time and energy In the case where the amount of washing is less than the maximum recommended load see washing machine instruction book the quantity of water used for the wash will be reduced in proportion to the wash load In the case of a half load or less the machine will automatically carry out one rinse less than that programmed N B The EASY LOGIC function is only active for cotton programs General Always start by checking the other components involved and then check the electronic control unit last The following examples are provided assuming that all connections and connectors are in good working order and that the voltage is within the required limits The electronic Control Unit has a self diagnostics function that checks all the components connected to it i e the so called Autotest S M P E 11 A 18 07 06 MANUAL AUTOTEST To carry out the test the following start conditions must be satisfied The washing machine must be cold and empty This is very important in that this phase tests both the thermistor and the pressure switch in OFF condition Procedure Set the wash program selector knob with the index mark at 6 o clock Maximum Ohmic resistance value For appliances with 7 pushbutt
20. ment with internal fuse _ Power rating 1900 W 1900 W apus s Voltage according to the model 230 V 240 V E o cael Warning the Blue terminal indicates the internal thermofuse RF 4 jneno drain pump Power rating approx 34 W Voltage 230 240V AC 50Hz Flow rate 20 l min ee Height of drain hose max 0 90 m min 0 60 m ps 5 Safety door catch When a wash program is in progress a safety device prevents the top lid from being opened To open it while a wash program is running switch off the washing machine using the On Off button if present or position the programmer knob on Stop The lid can then be opened after a time lapse of approximately 2 minutes At the end of the cycle wait for the END indicator to light up before opening the top lid 6 A Version with fixed safety thermostat with incorporated thermistor NTC Fast sensor contactsin water in tub temperature sensor silvered metal Fixed safety thermostat 92 C 3 with automatic reset and Normally Closed x TRPROBEL ZI Contact ss The NTC sensor allows precise control of the temperature 2 C As the temperature of the water increases the ohmic resistance of the sensor Thermostat contacts decreases 1 Fast in non silvered To check the operation of the component heat the water to 25 C then use Se ee oo a tester to check that the ohmic resistance is around 5 kOhm oer Op
21. n 9 EVP Prewash Working pressure MIN 0 05 1 MPa J ev Wash Black coil Flow rate MAX 10 415 I min Working pressure MIN 0 05 1 MPa eee Grey coil Flow rate MAX 7 25 l min OO 72 s 7 Working pressure MIN 0 05 1 MPa Voltage according to the model 230 240V 50 60Hz 9 Wash program selection potentiometer The electronic washing machines can be fitted with one of two types of positive logarithmic potentiometer 50 kOhm with 16 fixed positions dA 63 kOhm with 20 fixed positions eR Their use depends purely on the number of programs for which the appliance has been designed The maximum Ohmic resistance is the reference value used to start the Autotest procedure Wiring diagram symbols Important The positions in red are those used for the various phases of the autotest 50 kOhm with 16 fixed positions 63 kOhm with 20 fixed positions Program selector The start of a particular program is commanded by a wash code sent by the program selector potentiometer to the control unit The process also depends on the pressure switch signal An OPEN P11 P14 contact enables the water feed or spin while a CLOSED P11 P14 contact enables the motor to run during the wash and the heating phase The thermistor tachometric and optional button signals are important for enabling the control unit microprocessor to run the required program Note that each wash code of the program selector
22. noid valve pressure switch with contact P11 P14 closed SAFETY Ifthe pressure switch detects excess water entering the appliance it sends a signal to the control unit which then starts the drain pump Progra Selector Electronic control unit Heating phase principle The heater element switches on when pressure switch contact P11 P14 is closed water in the tub A traditional thermostat to interrupt the power supply to the heater element is not provided The control unit receives the Ohmic value of the resistance and switches off the heater element when the correct temperature has been reached Program Thermistor Selector Pressure switch mus No 4 Cooling The cooling phase is necessary in order to ensure that the water pumped to the domestic drainage system is not too hot This is always carried out for the COTTON program if the temperature is higher than 70 C The water is gradually cooled down by allowing cold water to enter after the last wash cycle and before draining The control unit feeds the cold water for one minute pauses one minute then drains During DELICATE and SYNTHETIC programs the cooling is always carried out before draining by activating the solenoid valve for 10 seconds Wash load balance control The washing machines are fitted with an electronic balance control which is active in all the spinning phases At the start of the spin cycle the load balance is checked by the c
23. ons and LCD Display To start the appliance in autotest mode press button 4 of Gocec f 123456 7 l Manual Autotest Selector 6 o clock Zol aes For appliances with 7 pushbuttons and P no Display gt ooo AITNE To start the appliance in autotest mode at a press button 4 CESES E KORCES PS 54 123 4 56 7 s TE l Manual Autotest Selector 6 o clock For appliances with 4 pushbuttons and no Display To start the appliance in autotest mode press button 2 Manual Autotest Selector 6 o clock S M P E 12 A 18 07 06 AUTOTEST for appliances with LCD display The combination Knob 6 o clock and Autotest Selector button pressed for 5 6 seconds starts the Autotest The display will light up fully for a few seconds together with some of the buttons J SSR ISN Z NOS NB I i ETN A Ea The colour used for the 12 aes 33 7 display the buttons and f the knob has no significance f i Manual Autotest Selector 6 o clock This test will automatically check the following That the Thermistor is not in short circuit or disconnected the Pressure Switch OFF condition no water in tub that the Door catch is working properly contact closed that the Program selector is connected properly OMG If the result of the test is positive all the symbols on the display will light up S hh Z E Button illumination
24. ontrol unit If the load in the drum is unbalanced the washing machine attempts to start the spin a number of times If the control unit detects that the load is very unbalanced the entire spin cycle may last as long as 20 minutes even if the display still shows 12 minutes S M P E 06 A 18 07 06 TECHNICAL DATA Electronic control unit contacts Electronic washing machine version with water feed through 3 way solenoid valve FUNCTIONS OF THE CONTACTS cnF1 receives power from the mains supply Phase cnF2 feeds door catch contact BP3 cnF3 current output to mains supply Neutral TAB6v CNT 4 cnF cnF4 feeds pressure switch contact P11 cnT1 feeds the heater element a Ne s w s cnT2 EVP Coi pang 24493 cnT3 receives the pressure switch level reached signal common EWB O gt 2 R KUT from contact P14 Nra gjo a a cnT4 feeds door catch contact BP1 ite EvP _ m 7 cnT5 receives the return signal from the heater element through EvL E o safety thermostat n a cnT6 feeds door catch contact BP2 Ele CNB1 do t T feeds Fabric Conditioner Solenoid Valve EVB s TE 3 STAT2 g S CNB s cnB4 common to Solenoid valves EVP EVL EVB S ISTAT Ror e cnB5 powersupply Prewash solenoid val
25. position Each position of the knob corresponds to a component test Starting from the start position 6 o clock and rotating the knob anticlockwise one position at a time there are 5 tests that can be carried out Except for the first test which is carried out by the control unit itself in order to verify the result of the test the behaviour of each tested component must be monitored The control unit takes a few seconds to pass from one test to the next the acceptance of the test is signaled by the switching off of the leds indicating the program corresponding to the position of the knob in autotest From this point on all the suspect components can be tested The correspondence between the reference position of the knob and a wash program is purely indicative in that this is linked to the appliance model in question S M P E 15 A 18 07 06 MANUAL AUTOTEST For model styling with 7 pushbutton control panel and no display ASH HASE LEDS Saee 123 45 6 7 Manual Autotest Selector 6 o clock Position of Status of I knob index the wash Setting the programmer knob at the positions described below will mark at phase test the electric components and functions of the washing machine 6 o clock leds Test N 1 l SN Start position all the functions are deactivated S we I I s s The control unit automatically test
26. r excludes the anti crease function from the wash programs that accept the function see table in the instruction book The button is not normally lit but lights up when the function has been selected The anti crease function limits the maximum spin speed to 800 or 1000 rpm depending on the model after which the drum rotates clockwise and anticlockwise at 35 rpm for 30 minutes with cycles of 7 seconds ON and 2 minutes OFF Spin delay This button includes or excludes the spin delay function from the wash programs that accept the function see table on the instruction book The button is not normally lit but lights up when the function has been selected The spin delay function stops the wash cycle at the last rinse and the button indicator light flashes The appliance will remain in this condition until the flashing button is pressed after which the light will switch off and the cycle will restart to complete the program S M P E 09 A 18 07 06 Pushbutton specifications Stain removal button if fitted to the appliance r This button allows the stain removal function to be included or excluded from the 60 C COTTON program The button is not normally lit but lights up when the function has been selected NB When the stain removal function is activated the prewash button is disabled Stain removal program description Place the usual detergent in the wash compartment and the special stain removal detergent in the prewash compar
27. re Switch OFF condition no water in tub that the Door catch is working properly contact closed that the Program selector Spin speed selector is connected properly If the result of the test is positive the 4 washing phases leds are in Test 1 condition see next page the pushbuttons switch off and all the functions of the washing machine can be tested through the programmer knob Button illumination test The Spin speed selection button is not luminous The Delayed start button only lights up when pressed The Start button only lights up when pressed All the other buttons change their status from On to Off or vice versa each time they are pressed N B On some models the Delayed start button is not luminous The spin speed selection button can change the set rpm at any time if pressed during the test N B This button is not luminous On some models the No Spin function is disabled during the Autotest phase The Start button switches the display washing symbols on and off cyclically The programmer knob selects the various phases of the test which are then displayed by the timer as described in Manual Test Selection INTRODUCTION The electronic control unit also allows individual components to be tested by varying the knob setting and maintaining the other conditions unchanged Once the autotest function has been started the required test can be selected by placing the knob in the appropriate
28. s the operation of the ki gt thermistor the pressure switch OFF condition no water in oa tub the program selector and the door catch closed condition J te 1 Test N 2 Fills with water through the cold solenoid valve until the first pressure switch level is reached ace We MW 7 9 e e lt gt AN This procedure tests the operation of the solenoid valves and pressure switch ec 2 The heater element is activated only with water ow The motor rotates alternately in both directions d e clockwise and anticlockwise o o o w This procedure tests the operation of the heater element aaa a Ag the motor during washing a we w w Test N 4 N B In Autotest on some models the No Spin function is disabled SN The drain pump is activated and the spin runs at the preset speed 4 a pump i P p gt Y S7 e H This procedure tests the operation of the drain pump n a Q the motor in spin mode e eee lt Test N 5 Fills with water for 10 seconds through the hot solenoid valve where fitted only with pressure switch off wash motor operation at different rpm and ala direction according to the model of electronic circuit board fitted to the y q D appliance During this phase for appliances fitted with a drum positioning EIS z ary sensor the start led flashes if operation is correct otherwise it will remain O O
29. tment After the first 10 minutes the water is heated up to 40 C and the detergent is taken from the main wash compartment Once 40 C has been reached water is fed through the prewash compartment for approximately 10 seconds taking with it the stain removal detergent The water is then further heated up to 60 C and remains at this temperature for approximately 10 minutes The wash then continues for a further 40 minutes and then on to the rinses etc etc D Start button This button confirms the previously set functions and starts the program The button is not normally lit but lights up to indicate the cycle is running only if the door catch is closed In the version with the LCD when the program selector is positioned on Stop the cycle is stopped and the button light switches off In the version without a display when the program selector is positioned on Stop the cycle is stopped and the button light flashes DISPLAY version mod B The wash symbols indicate the current phase of the program running KV Wash phase im Rinse phase Spin phase Timer display wash time in hours minutes delay time in hours minutes settable from 1 to 16 hours in steps of 1 hour end of program indicated by the word End Spin speed and No spin function The spin symbol is always lit The spin speed can be set from the maximum allowed for the selected program down to 500 rpm in steps of 100 The n
30. ton allows the maximum spin speed to be modified and or reduced to zero The set spin speed is displayed by the LCD or by the leds above the button for models without display The initial speed setting displayed is the maximum allowed for the set program The spin speed can also be modified during the wash cycle NB Excluding the spin also excludes the DRYING function in the case of Washer driers No spin button This button allows the spin function to be included or excluded from the wash cycle The button is not normally lit but lights up when the function has been selected Prewash button This button includes or excludes the prewash see specifications from the wash programs that accept the function see program table in the instruction book The button is not normally lit but lights up when the function has been selected Energetic wash button This button includes or excludes the energetic wash see specifications from the wash programs that accept the function see program table in the instruction book The button is not normally lit but lights up when the function has been selected Extra rinse or extra rinses button depending on the model This button includes or excludes the extra rinses see specifications from the wash programs that accept the function see program table in the instruction book The button is not normally lit but lights up when the function has been selected Anti crease button This button includes o
31. ure and then carry out Test N 3 Check that he motor rotates alternately in both directions clockwise and anticlockwise at approximately 45 rpm If the result is positive carry out Test N 4 If the test is negative disconnect the motor from the wiring terminal board then use a Tester to check that there is continuity at the ends of the wires connecting the wiring terminal board to the control unit Then check that the connectors are not damaged or disconnected Replace the motor with one known to be in working order If the result of the test is positive replace the motor If the result is negative replace the electronic control unit and refit the original motor The appliance does not drain Check that the washing machine filter or the user s drains are not blocked Start the appliance in manual Autotest mode and move the programmer knob to the Test N 2 position Wait for the pressure switch to trip and then carry out Test N 4 If the result is negative disconnect the pump wiring and check that the circuit is no broken by verifying the ohmic resistance Ohms If the circuit is open replace the electric pump if the circuit is closed remove the pump from the washing machine and use a screwdriver to check for any foreign bodies in the scroll use a tester to check the continuity in the pump power supply wires If all the tests carried out prove positive replace the control unit S M P E 20 A 18 07 06 DIAGNOSTICS TA
32. ve EVP Prewash H ROT 1 cnB6 powersupply Prewash solenoid valve EVL Wash E racHo S 9 cnB7 8 power supply Drain pump L a a EE cea cnB9 return signal from pressure switch overfill safety P16 SONDA ey starts drain pump cM1 Motor Thermal Prog o cM2 Motor 1 2 field K cM3 Motor Stator 2 gt cM4 Motor Thermal 8 sg cM5 Motor Stator 1 j o cM6 Motor Rotor 2 32 Bee cN Motor Rotor 1 HE 2 cN2 Motor Tachometric 3 Gp 5 cN3 Motor Tachometric ag cN4 5 Thermistor temperature control sensor cnS1 2 Program selector potentiometer Flat cable receives information from the pushbutton circuit board wash options and sends information to the display program status The use of different types of wiring means that the number of connectors may vary though the control unit is always the same Consequently the wiring diagram shown above remains valid providing the connectors have been wired correctly in that it refers to the contacts on the control unit itself In the case of a fault always check the control unit contacts connectors A false contact can compromise the correct execution of the program Explanation of the data reported on the electronic control unit label Example Y A Maximum spin speed A B XXXX 85SX 85DX B Information for line testing C Voltage Frequency z ee HON SE D Control unit type D MINISEL E Appliance type
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