Electrolux W4105N Service Manual Download Page 45 | Manualshive

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Program unit

Description

General Information

The program unit is electronic and comprises a
circuit board containing microprocessor, pro-
gram memory, current regulating circuits, tem-
perature and level control, etc.
The program unit receives its power from a se-
parate voltage unit.
The program unit receives information from the
temperature sensor, door lock and level swit-
ches. There is also a serial interface to the motor
control.
The program unit controls the water and drain
valves and the heating via the I/O board, door
closing/opening via a drum module and the mo-
tor via the motor control.

1

2

  1.  Program unit A1
  2.  Temperature sensor B1
  3,  Level switch B2
  4,  Level switch B4
  5.  Display A2
  6.  Heater element E1 -3
  7.  Motor control U1

8. Rotation sensor B3
9. Door lock module A41

10. Voltage unit A5

  11.  I/O board
  12.  Watervalves
  13.  Drain valve
  14.  Power supply PSU

Program unit

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Summary of Contents for W4105N

Page 1: ...7383 W4250N 00725 105493 W4330N 00795 102509 W475M W485M 00520 120946 00521 400282 402182 W4105M 00595 106646 00521 401173 402182 W4130M 00595 106611 00521 400106 402182 W4180M 00650 107383 W4250M 00725 105493 W4330M 00795 102509 Service Manual W465H W4300H W475M W4330M W475N W4330N Compass Control Up to machine number 438 9227 31 EN 09 20 ...

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Page 3: ... 25 Program unit 45 Description 45 Menu tree 47 Engaging servicemode 48 Service program 49 Config 1 56 Activate wash progr 68 Unbalance detection 69 I O modules 71 General 71 Function options via the service program 72 Function options via program designation 73 Function options for Type 1 and Type 2 I O modules 74 Replacing of I O module 75 External connections to I O module type 2 76 Machines wi...

Page 4: ...airs 107 Detergent compartment 109 Description 109 Heating 111 Description 111 Function 112 Repairs 114 Payment systems 115 Abbreviations 117 Preventive maintenance 119 The manufacturer reserves the right to make changes to design and com ponent specifications ...

Page 5: ...r lack of experience and knowledge Such people must be instructed in the use of the machine by a person who has responsibility for their safety Minors must be supervised to ensure that they do not play with the machine Warnings The service manual contains the following warnings concerning serious personal injury Next to each warning is a reference to the page and section where the warning text is ...

Page 6: ...6 ...

Page 7: ...1000 50 1000 50 1000 50 1000 20 20 20 20 60 60 60 50 75 50 75 50 75 75 75 75 75 170 170 170 170 170 170 170 DN15 DN15 DN15 DN15 DN15 DN15 DN15 1 2 1 2 1 2 1 2 1 2 1 2 1 2 300 600 300 600 300 600 300 600 300 600 300 600 300 600 50 800 50 800 50 800 50 800 50 800 50 800 50 800 Innerdrum volume litres diameter mm Drum speed wash extraction rpm Heating electricity kW steam hot water G factor Weight ne...

Page 8: ...00 600 200 600 200 600 200 600 200 600 50 1000 50 1000 50 1000 50 1000 50 1000 50 1000 50 1000 20 20 20 20 60 60 60 75 75 75 75 75 75 75 170 170 170 170 170 170 170 DN15 DN15 DN15 DN15 DN15 DN15 DN15 1 2 1 2 1 2 1 2 1 2 1 2 1 2 300 600 300 600 300 600 300 600 300 600 300 600 300 600 50 800 50 800 50 800 50 800 50 800 50 800 50 800 Innerdrum volume litres diameter mm Drum speed wash extraction rpm ...

Page 9: ...0 1290 315 1205 370 410 100 335 485 W4240H 1020 915 1445 500 955 1155 100 1360 215 1320 300 1240 350 360 100 360 510 W4300H 1020 1060 1445 500 1135 1155 100 1360 215 1320 300 380 100 360 330 A 8 9 10 C D 5281 B B E 6 5282 B W465H W475H W4105H W4130H A 9 10 8 D C 5377 A 5379 A B E 6 G S L M I 5 1 F 6 P R K H 5378 A 7 3 2 2 W4180H W4240H W4300H Rear side 1 Electrical connection 2 Cold water 3 Hot wa...

Page 10: ...25 295 100 225 W4250N M 830 955 1410 470 990 1120 45 1330 160 1290 245 1125 325 325 100 265 W4330N 910 1040 1445 500 1075 1155 45 1365 160 1325 245 1155 280 325 100 210 8 7 C D A 10 5281 B E 5 5282 N G I F L R P H M K 5 4 1 3 2 6 5283 9 W475N M W4130N M M P F K I L G R H O N 4 1 5 3 2 9 6 5459 W4180N M W4330N Rear side 1 Electrical connection 2 Cold water 3 Hot water 4 Steam connection 5 Drain 6 L...

Page 11: ...requency of the dynamic force Hz Max floor load at extraction kN W475N M W485N M W4105N M W4130N M W4180N M W4250N M W4330N M Frequency of the dynamic force Hz 9 3 9 3 11 6 8 7 10 8 8 7 10 8 8 3 10 3 7 9 9 8 7 5 9 4 Max floor load at extraction 1 6 2 8 1 7 3 1 2 1 3 6 2 3 4 1 2 9 4 7 3 7 5 3 4 5 5 8 kN 1 2 2 6 1 7 3 3 2 1 4 0 2 3 4 7 2 7 5 9 3 7 7 4 4 2 8 8 ...

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Page 13: ... with fixed washing programmes that may be changed using optional accessories The pro gramme unit also has an in built self diagnosis programme which increases the possibilities for quick troubleshooting The motor is frequency controlled and is control led by an advanced motor control This allows precise and flexible control of the motor rpm for any application The machines are supplied to custome...

Page 14: ...by a motor This motor is loca ted at the bottom of the machine and is mounted on the cradle with a belt tensioner The inner drum is mounted to the outer drum at the rear plate with two bearings sealed against leakage with sealing rings The drain valve is a water controlled diaphragm valve alternatively an electrical drain valve or drain pump The door is of sturdy type that is interlocked with a lo...

Page 15: ...Water inlet valves 3 Power supply 4 I O board 5 Rear electrical module 6 Motor control 7 Outer drum 8 Coil spring not M and N model 9 Motor 10 Shock absorber not M and N model 11 Avloppsventil 12 Support 13 Door 14 Door lock 15 Program knob 16 Display 17 Control panel 18 Program unit H model shown ...

Page 16: ...o gram adjustment in the program unit s soft ware If present the preset buttons are used for direct start of two preset wash programs Using information on torque values from the motor the weight of each wash is measured before each wash program in order to adapt the amount of water used for washing The program unit controls the water valves drain valve and heating via an I O board in the rear elec...

Page 17: ...ated on a motor shelf under the outer drum and has been arranged with a belt tensioner Motor control is microprocessor controlled and can control the acceleration of the drum its rpm and its retardation very precisely Motor control communicates with the program unit through a serial interface The machine s motor and motor control are de scribed in more detail in the section Motor 5 6 H model shown...

Page 18: ...rcuit has separate controls that the drum is empty and that it is stationary Through sensors in the lock module the circuit checks the door s clo sed and locked position Together with other controls the program unit conducts this will guarantee the door cannot be opened by mis take The machine s door and door lock are descri bed in more detail in the section Door and door lock 7 8 1 Program unit 2...

Page 19: ...rements In this unit there are also eight connections for an external detergent feeder Rear electric module Contains the main switch or terminal block for incoming power heating contactor I O board with outputs for controlling the machine s water and drain valves and heating Some machines have an additional I O board with terminal blocks for con necting e g external detergent feeder 9 9 10 1 Water...

Page 20: ...rain valve is described more thoroughly in the section Drain valve Frame and suspension The machines are freely suspended i e the drum package can move and is suspended in relation to the frame In this way a minimum of vibration passes to the bottom plate which in turn simplifies installation as a concrete founda tion is not required The machine has four shock absorbers between the bottom plate an...

Page 21: ...if the power is turned on again within this time Safety regulations Troubleshooting may only be carried out by authorised personnel Observe the safety regulations in chapter 1 before commencing trou bleshooting Take care during all work on the machine while the power is on DANGER Take care when measuring the motor control system since all com ponents have a potential difference of approximately 30...

Page 22: ...llowing is a brief description of all fault codes The following pages describe fault codes possible causes and corrective measures for each code Fault code Text message 001 No water 002 Door open 003 Door lock fail 004 NTC low temp 005 NTC high temp 006 Water in machine 007 Overfilled 008 No heating 009 Klixon 010 Drum not drained 011 Unb on at prog start In coin operated machine Drum overfilled F...

Page 23: ... 027 Level offset 028 CPU DLCU low level 031 Heat sink too hot 032 Motor too hot 033 No interlock 035 Motor short circuit 036 Interlock hardware 037 Low DC voltage 038 High DC voltage 043 Unb switch RDC MCU on 044 Speed too high 045 Motor not follow 051 Checksum from CPU 052 Charge circuit 053 CPU DLCU high levels 054 Tacho no set signal 056 Set speed door open 058 Set signal no tacho 060 Actuator...

Page 24: ... machines with coin counting only Press the service button about 2 sec The machine software will now switch to its service mode The display lists the submenus available in this mode This service manual describes the functions and programming instructions for the following submenus SERVICE CONFIG 1 ACTIVATE WASH PROGR I O ADDRESS For other submenus please refer to the pro gramming manual To save ch...

Page 25: ... is generated by the programming CPU card The fault code can only arise during an on going wash program This fault code will be displayed if the input for closed door signals that the door has been opened during an on going wash program This can be caused by a bad or defective door lock loose cable to door lock problem with door lock edge connection Fault code 03 DOOR LOCK FAIL This fault code is ...

Page 26: ...ming CPU card This fault code is displayed if the temperature around the NTC sensor exceeds 98 de grees C A high temperature means the resistance in the sensor is too low lower than approx 350 ohm This can be caused by a short circuit in the sensor break in the cable to the sensor etc Fault code 06 WATER IN MACHINE This fault code is generated by the programming CPU board This fault code may appea...

Page 27: ...ly Check using the service program that all the water valves are working correctly Fault code 08 NO HEATING This fault code is generated by the programming CPU board The fault code means that the temperature is rising too slowly when heating is active The limit for this fault code is normally set to a water temperature increase of approx 3 C per 10 minutes but can vary depending on the type of mac...

Page 28: ... caused by a blocked level hose drops of water in the level tube defective filler valve defective electronic filler control etc Action see fault code 07 Fault code 10 DRUM NOT DRAINED This fault code is generated by the programming CPU card The fault code arises if the water in the drum is not below a predetermined level when a drain period has been completed in the wash program It can be caused b...

Page 29: ...have to be replaced Fault code 13 NO MOTOR COMM This fault code is generated by the programming CPU board The fault code arises if the CPU board cannot communicate with motor control via the communication cable Actions Check that there is power reaching the motor control Then check that the indicator LED on the motor control is on The LED can be seen by looking down by the motor control edge conne...

Page 30: ...ed although the CPU board has not requested locking This fault code will be shown if one try to start a program when the DLCU has given a fault code Fault code 18 START NOT ALLOWED The machine s program unit has been disabled by a superior monitoring system Actions Get in touch with the supplier of the monitoring system for possible causes of the monitoring system disabling operation of the wash m...

Page 31: ...communicated with before The cause can be a problem with the machine s internal communication cables or that one or more I O boards have lost their address Action Requires password Check the machine s internal communication cables Readdress all the I O boards in the system using the service program if the cables are not at fault Note If only one I O card in mascine press the service button on the ...

Page 32: ...U board Fault code 27 LEVEL OFFSET This fault code is generated by the programming CPU board The fault code arises if the level system indicates a level at the start of the wash program when the drum should be empty that exceeds what the program unit can compensate for automatically This can be caused by blocked drain blocked level hose a drop of water in the level hose leaking level system defect...

Page 33: ... be 0 V when the water level is 15 mm Wg and 5 V when water level is 40 mm Wg Check that the level hoses are not blocked Blow clean all the hoses in the level system Fault code 31 HEAT SINK TOO HOT This fault code is generated by the motor control There is a temperature sensor NTC mounted on the motor control cooling flange next to the po wer transistors in the output stage If the temperature of t...

Page 34: ...he Motor too hot fault code will be activated The cause of high motor temperature can be a stiff drum possibly in com bination with intensive use and high ambient temperature There may also be a fault in the motor sticking bearings or short circuit in windings which impairs the efficiency of the motor There could also be a contact fault in the connectors between the motor control and the motor or ...

Page 35: ... No interlock fault code will be activated The cause of this fault code being activated can be e g a break in the cable leading the interlock signal to the motor control There may also be a fault in the connector in the door lock which connects 230V 50Hz to the interlock signal A fault in the interlock circuits of the motor control can also set this fault code Actions Use a measuring instrument to...

Page 36: ...Short circuit in motor cables Short circuit in connectors Drops of water causing short circuits in the motor connector Short circuit in the motor control output transistors Bad contact in tacho signal Bad contact in interlock signal Actions If the fault is a stable one it is generally not difficult to locate the defective unit through resistance measurement and testing with the service program Fur...

Page 37: ... tacho sensor indicates that the motor is stationary the motor control unit checks to see whether the input voltage is still low If it is a fault code is activated LOW DC VOLTAGE The reason for this fault code being activated can be low mains voltage or that the machine s on off switch has been operated in an unsuitable man ner Further information can be obtained by studying the contents of MCU FA...

Page 38: ...r information can be obtained by studying the contents of FC FAULT LOGGER OVERVOLTAGE 2 specifies how many times fault code 38 has been active OVERVOLTAGE 1 specifies how many times the voltage limit has been exceeded The difference between overvoltage 1 and overvoltage 2 gives the number of times overvoltage 1 has occurred without it being confirmed when the motor has stopped LAST FAULT CODE N 8 ...

Page 39: ...FC FAULT LOGGER Study the following MOTOR NOT FOLLOWING specifies how many times fault code 45 has occurred LAST FAULT CODE N 8 shows the 8 latest fault codes TACHO CUT OUT LOW RPM can give a clue in case of intermittent faults TACHO CUT OUT HIGH RPM can give a clue in case of intermittent faults Action Replace the defective part when troubleshooting is complete Fault code 51 CHECKSUM FROM CPU DLC...

Page 40: ...t Fault code 53 CPU DLCU HIGHLEVELS The DLCU contains a mechanical level monitor which ensures that there is no water in the machine when the lock opens To ensure that the level monitor functions correctly the mechanical level monitor is compared with a nominal value generated by the CPU which is compared with the elec tronic level check When a program starts or terminates a check is made to ensur...

Page 41: ...the tacho signal is present without the default value a fault message will be generated to CPU The fault message is filtered in such a way that the drum must rotate and stop twice without the should rotate signal being present before a fault message is sent to CPU The DLCU processor will reset itself when the fault has disappeared CPU reads the fault message when the program finishes and generates...

Page 42: ... drum is stationary when the door is opened To ensure that the signal from the tacho generator is working correctly DLCU compares the tacho signal to a default value from the CPU processor which is due to the CPU having activated the motor The tacho signal should always correspond to the default value and if the tacho signal is not present when the default value is present a fault message will be ...

Page 43: ...tified the fault message will disappear if the fault ceases CPU reads the fault message when the program starts and finishes and generates a fault code the fault message is ignored between these two occasions Reason The fault can be caused by a break in the cables between the hatch lock and the CPU or caused by a fault in the hatch lock solenoid Fault or break in the CPU circuits Action If the fau...

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Page 45: ...eives information from the temperature sensor door lock and level swit ches There is also a serial interface to the motor control The program unit controls the water and drain valves and the heating via the I O board door closing opening via a drum module and the mo tor via the motor control 1 2 1 Program unit A1 2 Temperature sensor B1 3 Level switch B2 4 Level switch B4 5 Display A2 6 Heater ele...

Page 46: ...l unit M com Con 6 Connection for software service download P load Con 7 Input Level sensors level Con 8 Serial communication RS 232 Con 9 Input Emergency stop EMERG Con 10 Input Free wash key switch FREE W Con 11 Input Coin meter coin Con 12 Input function depending on model INPUT Con 13 Service button in rear electrical module SERV Con 14 Control knob pulses Con 15 Control knob switch Con 16 Dis...

Page 47: ...HEAT POWER CTRL EXTRACT BLOCK START ACTIVE FIRST LANGUAGE SECOND LANGUAGE SEC LANGUAGE ACTIVE COIN VALUE 1 COIN VALUE 2 DOT WHEN PRICE TIMEOUT DISPLAY SEC TIMEOUT END BUZZ SEC TIMEOUT PAUSE BUZZ SEC MAX FILL TIME SEC 6 WATER IN DRUM 7 DRUM OVERFILLED 10 DRUM NOT DRAINED MACHINE ADDRESS PASSWORD SHOW WEIGHT TIME SEC MAXDIFF WASH TIME MIN DEFAULT HEAT BACK LIGHT TIME SEC OFFS LEVEL READING MM DISPLA...

Page 48: ...tch for about 2 seconds The machine software will now switch to its service mode The display lists the submenus available in this mode This service manual describes the functions and programming instructions for the following submenus SERVICE CONFIG 1 ACTIVATE WASH PROGR I O ADDRESS For other submenus please refer to the pro gramming manual To save changes to the machine s flash memory they must b...

Page 49: ...ck the sensor signals to the CPU check the communication in the machine control system calibrate the weighing function weigh and measure unbalance check the display Engage service mode mark the SERVICE row in the main menu and press the knob The display will now show the different subme nus in the service program ACTIVATE OUTPUTS SHOW INPUTS ARTICLE NUMBER SHOW DLCU COM RESET DLCU SHOW mcu COM RES...

Page 50: ...NE FREE DRUM CW DRUM CCW DISTRIBUTION LOW EXTRACT MEDIUM EXTRACT HIGH EXTRACT TURBO EXTRACT CLUTCH START CAP RELAY BUZZER FLASH LIGHT OIL PULSE SLOT BLOCKING LCD BACK LIGHT ON Select the desired function and press the knob Several outputs can be activated simultaneously An activated output is indicated by a filled box to the right SERVICE 01 01 00 00 ACTIVATE OUTPUTS SHOW INPUTS ARTICLE NUMBER SHO...

Page 51: ...P DRUM SPEED RPM TACHO SIGNAL LIQUID TANK EMPTY QUICK START 1 QUICK START 2 UNBALANCE BUTTON I O 1 INTERLOCK I O 1 BUTTON I O 2 INTERLOCK I O 2 BUTTON I O 3 INTERLOCK I O 3 BUTTON I O 4 INTERLOCK I O 4 BUTTON I O 5 INTERLOCK I O 5 BUTTON I O 6 INTERLOCK I O 6 BUTTON I O 7 INTERLOCK I O 7 BUTTON I O 8 INTERLOCK I O 8 BUTTON I O 9 INTERLOCK I O 9 BUTTON I O 10 INTERLOCK I O 10 RAPID ADVANCE SERVICE ...

Page 52: ...m the fault code by selecting the RESET DLCU row and pressing the knob The reset will take a few seconds The square which lights up to the right of the menu bar indicates that there is a fault code in the DLCU Door lock control unit 13 14 SERVICE 01 03 00 00 SHOW INPUTS ARTICLE NUMBER SHOW DLCU COM RESET DLCU SHOW MCU COM RESET MCU SHOW PART NUMBER 01 03 01 00 PROGRAM UNIT I O MCU DOOR CONTROL UNI...

Page 53: ... display shows the status of the com munication to and from the slot meter For detailed information please contact your supplier SHOW Com portS Select the SHOW COM PORTS row and press the knob Possible communication ports are shown in the display Select a port then press the knob to test that port Note that the ports send and receive must be strapped for the test to work SERVICE 01 06 00 00 RESET ...

Page 54: ...weight value is adjusted automatically for any deviations NB The drum must be empty during calibration Confirm that calibration is to be performed with YES or return to the previous menu with NO MEASURE WEIGHT Select the MEASURE WEIGHT row and press the knob Put in a known weight The same weight must be shown in the display once the weight has been measured Confirm that measurement is to be perfor...

Page 55: ...is used to check that the machine is measuring unbalance correctly display test Select the DISPLAY TEST row and press the knob The display shows a grid for checking that all the segments in the display are intact By turning the control knob two different grids and a complete ly black and a completely blank page are shown Press the knob to return to the previous menu SERVICE 01 12 00 00 MEASURE WEI...

Page 56: ...EL NO MACHINE HEATED YES HEATING RELAY ON YES TEMP cONTRol water YES show C YES delayed START YES AUTO reSTART YES AUTO START paid NO show coin counter NO show hour counter NO show prog counter NO button cLICK YES flash light on NO heat error on YES show module number NO AUTO PROG select NO MEASURE WEIGHT YES power ctrl heat NO power ctrl extract NO BLOCk START AcTIVe NO FIRST LANGUAGE ENGLISH SEC...

Page 57: ...EOUT DRY COM PORT CPU DRY COM PORT I O QUICK START BUTTON 1 QUICK START BUTTON 2 VOLUME VGB WELC TIMEOUT SEC 0000 VGB MESS ANTICR SEC 0000 SERVICE INTERVAL HOUR 0000 Select the desired function parameter and press the knob To engage and disengage functions turn the knob to select YES or NO and then press the knob To adjust the value set the value and press the knob The arrow in each menu shows the...

Page 58: ...es the functions PAUSE RAPID ADVANCE and NEW PRO GRAMME SELECTION NEW PROG SELECT Select whether to allow switching to another wash program while one is in progress without first stepping rapidly through to the end of the current program before switching Will only work if PAUS is allowed Yes Switching to a new wash program is allowed No Switching to a new wash program is not allowed SHOW TIME Sele...

Page 59: ... shown replaces temperature display in display window No No level is displayed in the display window MACHINE HEATED Select whether the machine is to wait until a programmed temperature has been attained before the wash time starts being counted Yes The programmed temperature must be attained No The washing time is counted down as soon as the washing module has been started HEATING RELAY ON Select ...

Page 60: ...ture values are to be displayed in C or F Yes All temperature values displayed in C No All temperature values displayed in F delayed START Select whether there should be the possibility of setting a delay from when the start button is pressed until the machine is to start Yes Time for delayed start can be set Delayed start is available as a se parate menu bar in the start menu where you can select...

Page 61: ...rvice mode The counter is shown on the display after pressing the control knob twice in quick suc cession Yes The contents of the coin counter can be displayed if a time has been set for the function SHOW STAT DOUBLECLI No No display of the contents in the coin counter show hour counter Select whether the contents of the machine s hour counter should be shown in the display window while a wash pro...

Page 62: ...ition when the knob is turned and pressed in Yes Sound No No sound flash light on Select whether the output for the flash light is to be activated while the buzzer is activated during a wash program The output is on all the time and becomes inactive when the buzzer is turned off Yes Flash function on No Flash function off heat error on Select whether the HEAT ON fault code should be displayed when...

Page 63: ...nnecting and setting PC5 please refer to separate instruc tions Yes Power priority PC5 engaged No Power priority PC5 not engaged power ctrl extract Select whether the power priority function PC5 for extraction should be engaged For connecting and setting PC5 please refer to separate instruc tions Yes Power priority PC5 engaged No Power priority PC5 not engaged BLOCk START AcTIVe Select whether it ...

Page 64: ...hat has not started The time is given in steps of 10 seconds 0 2550 seconds TIMEOUT end buzz sec Specify with the knob the time during which the buzzer should sound at the end of the program unless the buzzer is turned off manually The time is given in seconds 0 255 TIMEOUT PAUS buzz sec Specify with the knob the time during which the buzzer should sound for a pause unless the pause is interrupted...

Page 65: ...Ff wash time min Specify with the knob the maximum time deviation for the total time of the wash program If this is exceeded in comparison with the total time when the same wash program was last used the stored total time shall only be adjusted with the limit time Note that this applies to both positive and negative time The time is given in minutes 0 20 DEFAULT heat Select whether the machine sho...

Page 66: ...t that is shown each time a wash program is displayed The time is given in steps of 1 second in the range 0 255 seconds flush delay liq sec Delay time for flushing of detergent once dosing of liquid detergent is com plete The time is given in steps of 1 second in the range 0 255 seconds flush on liq sec Rinse times for rinsing detergent after the drum has been filled with water The time is given i...

Page 67: ...rature does not exceed the given value The temperature is given in steps of one degree in the range 0 100 C cool middle temp Specify the temperature at which the cooling function should stop monito ring that the drop in temperature during cooling is not going too fast The temperature is given in steps of one degree in the range 0 100 C DISPLAY STATIST SEC Indicate using the knob how long the stati...

Page 68: ...ed in the order they are presented in the program selection menu Add activate a wash program Select the wash program to be activated and press the knob The selected wash program is assigned the number after the last activated pro gram i e the selected program will be presented last in the program selection menu Remove deactivate a wash program Select the wash program to be removed and press the kn...

Page 69: ...ect whether there is any extreme unbalance In case of extreme unbalance that can arise if e g a spring strut is defec tive or when washing in sacks the acceleration will be stopped to wait for the drum to stop If extreme unbalance arises during a distribution or during super unbalance measurement the drain sequen ce will restart from the beginning The number of restart attempts can be changed in t...

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Page 71: ...dule and together with the article number of the parameter software shown in the ARTICLE NUMBER menu of the service program as per the following example Program designation Article number shown in the service program If the second letter I O module 2 appears in lower case it means that the machine is not fitted with I O module 2 but the downloaded parameter software is I O module 2 enabled Program...

Page 72: ...ogram article number under PARA METER SOFTWARE The letters at the end of the article number indicate the function options of the I O modules in the current program for more information refer to the General and Fun ction Options sections in the documentation for each I O module 1 2 3 4 I O modules Function options I O 1 and I O 2 BASE SOFTWARE 432669701 3 50 PARAMETER SOFTWARE 432660015 AB 0 0 BACK...

Page 73: ...umber you can find the pro gram designation and thereby identify I O modu le function options in one of the following ways Option 1 Access the spare parts list under Program De vice The program designation and the I O module function options are specified in the remarks co lumn for the relevant parameter software article number Option 2 Open the Compass Control Loader Existing software CD and sele...

Page 74: ...pro gramming Start Pause Heating pause Heating pause Heating pause Heating pause Start Pause Detergent tank empty Detergent tank empty Detergent tank empty Detergent tank empty Detergent tank empty Detergent tank empty Detergent tank empty Temporary pause Temporary pause Temporary pause Temporary pause Temporary pause Temporary pause Temporary pause 5 detergent signals 5 detergent signals 5 deterg...

Page 75: ...o replace I O module 2 but the same pro cedure also applies to I O module 1 I O module 2 is located on the rear PCB and ac cessible once the protective plate is removed Remove the electrical connections on the module Using a screwdriver undo the lock screw holding the module in position Rotate the module to the left Lift out the module Fit the new module by reversing the removal procedure Terminal...

Page 76: ... A and B on the washing machine Connect the signal cable to B and the power supply to A Machines without connectors Connect the external pump assembly for liquid washing detergent to I O module 2 which is located to the right of the incoming power supply The I O module has edge connectors for con necting external pumps The edge connectors may be removed from the board when connecting the cabling 1...

Page 77: ...Detergent signal 5 The programs held on the machine can be found on the machine s data plate 3M14 3F01 3R01 3F02 Other programs Signal 1 Prewash Prewash Prewash Prewash Signal 2 Main wash Main wash Main wash Main wash Main wash Signal 3 Rinse agent Rinse agent Rinse agent Rinse agent Rinse agent Signal 4 Mop last rinse Disinfection Last rinse Main wash Signal 5 Bleaching agent Bleaching agent Blea...

Page 78: ...e of engaging a 24V pause signal The wash program will pause for as long as the pause signal remains active high If connection 7 is connected an error message will be shown in the display if any of the chemical tanks are empty However the wash pro gram will continue The figure shows an example of engaging a normal open contact 16 17 I O modules Dosing system Pause signa Detergent tank Empty signal...

Page 79: ...wiring diagram for I O module type 2 may be one of the following vari ants 22A 22B 22C 22D 22E 22F or 22G The signal received from external slot meters must be a pulse In order to pro gram prices the signal initiating the programming procedure must be active high I O modules ...

Page 80: ...it a start pulse to the washing machine The start pulse can be either 230V or 24V In order to receive a feedback signal once the machine has started 230V or 24V must be connected to connection 19 The feedback signal on connection 18 remains active high during the entire wash program I O modules ...

Page 81: ...ion has been granted to start the machine The signal must remain active high until the machine starts A feedback signal will be present on connection 18 and remain active high whilst the machine door is closed but the wash program has not started The feedback signal is powered by 230V or 24V from connection 19 I O modules ...

Page 82: ...high signal on connection 5 Price red the price of the wash program can be reduced This function has a number of uses including providing reductions during a specific period of the day Whilst the signal remains active high the price of the wash program is reduced by the percentage entered in the price programming menu I O modules ...

Page 83: ...315 22E Heating pause By connecting a signal to connection 6 you can pause ope ration of the machine whilst it heats up The machine will pause for as long as the pause signal remains active high I O modules ...

Page 84: ...84 22F x I O modules ...

Page 85: ...85 6637 22G The gas heating unit must be connected to connections 17 18 and 19 I O modules ...

Page 86: ...eduction the price of the wash program can be reduced This function has a number of uses including providing reductions during a specific period of the day Whilst the signal remains active high the price of the wash program is reduced by the percentage entered in the price programming menu I O modules ...

Page 87: ...gage the machine s service mode Highlight the I O ADDRESS line in the main menu and press the knob The display will now show an 8 digit code Call authorised service and quote the code Authorised service will then assign a pass code Enter the code you have been given and press the knob The I O ADDRESS menu will appear in the dis play Highlight the I O module to be addressed and press the knob Press...

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Page 89: ...actuator is bi stable i e it has two stable positions locked door and unlocked door The actuator must receive a pulse to lock and unlock the door lock S4a and S4b are both closed when the door is locked A micro switch S3 that is closed when the door is closed An emergency opening button that can be used to open the door lock in an emer gency Door and door lock 1 Emergency opening button 2 To progr...

Page 90: ... card A1 outputs a closing pulse on output D0 to the door lock actuator coil which then locks the door The micro switches S4a and S4b in the actuator door lock are closed when the door is locked These micro switches feed voltage to The output relays on the programme unit card The relays control the machine s drain and water valves as well as heater switch on Interlock signal for motor control inpu...

Page 91: ...ck controller outputs an opening pulse on output D0 to the door lock actuator coil which then unlocks the door Micro switches S4a and S4b now interrupt the actuator door lock and the I O card 1 relays lose all voltage to prevent the motor from starting interlock signal on motor controller input X302 The drain and water valves of the machine are now disabled and the heater and mo tor cannot be swit...

Page 92: ...lly trained personnel Emergency opening of door lock 1 Take down power from the machine by tur ning the main power switch to the 0 position 2 Remove the front cover or top cover When replacing the door lock it is recommended to remove the front cover 3 Press down the emergency opening button 4 ...

Page 93: ... two screws in each hinge 4 Remove the front panel 5 Remove the door lock three holding screws 6 Verify the strap positions on the cable for the lock Cut the necessary straps to undo the cables leading to the lock 7 Undo the connectors 8 Replace the door lock 9 Reconnect the new door lock 10 Assemble in reverse order 11 Strap the cables for the lock according to the notes made in step 6 ...

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Page 95: ...tor control All components have a potential difference of approx 300 V in relation to protective earth and neutral When the green LED on the motor control card is lit the compo nents carry dangerous voltages The motor control lose all voltage about 10 30 seconds after the voltage has been disconnected and the motor has stopped ...

Page 96: ...puter control The vari ous speeds for normal operation distribution speeds and extraction as well as acceleration retardation can be controlled with a high de gree of precision The motor winding is protected against over load due to the fact that the motor control unit monitors the winding resistance of the motor The motor is connected directly to the motor controller via a cable with quick connec...

Page 97: ...rness is directly connected to the PCB voltage supply input and the voltage supply to the motor using connectors the other cables are connected with flat connectors to the PCB A detailed description of input and output cables is presented in the section Function Depending on the machine size this unit comes in four different versions The units have different sizes in order to be able to control mo...

Page 98: ...e voltage has been disconnected and the motor has stopped The motor control communicates with the programme unit via a serial two way interface With the help of the motor control the programme unit can control not only the instantaneous motor rpm but also with high precision the acceleration and retardation of the motor in order to reach the target rpm The motor control continuously replies with i...

Page 99: ... and outputs X301 Serial communication Handles communication between the motor control and the programme unit Using a spe cial interface it is possible to connect a PC for testing the motor control Card No Function X 301 1 Tacho signal X 301 2 Gnd X 301 3 Txd X 301 4 Rxd X302 Lock sequence input Detects when the door is locked or unlocked The motor cannot start until the door has been locked If th...

Page 100: ... protector The motor is fed with alternating current with va rying frequency that is proportional to the motor speed W465 W4130H Card No Function X 312 1 AC supply to motor phase 1 X 312 2 AC supply to motor phase 2 X 312 3 AC supply to motor phase 3 W4180 W4240H Card No Function X 312 1 2 AC supply to motor phase 1 X 312 3 4 AC supply to motor phase 2 X 312 5 6 AC supply to motor phase 3 6 ...

Page 101: ...nk on motor control 32E MOTOR TOO HOT Motor thermal protector has triggered 33E NO INTERLOCK Motor controller receives start request but receives no lock ACK input 302 13E NO MOTOR COMM Communication error motor control programme unit Short circuit in motor winding harness or internally in motor control Motor control restarts automatically 35E MOTOR SHORTNING Short circuit in motor winding harness...

Page 102: ...by pulling the belt towards you while rotating the drum by hand 6 Undo the motor cable from motor 7 Lock the motor in place to avoid it from falling when lifting it out 8 Undo and remove the two motor mounting bolts 9 Lift out the motor 10 Replace the sensor and magnet from the old motor into the new one Assembly 1 Fit the new motor without locking the moun ting bolts 2 Fit the drive belt and adju...

Page 103: ...Force A Post tensioning B New belt C N mm mm W465H 30 9 8 W475H 30 9 8 W465H 30 8 7 W475H 30 8 7 W4105H 40 9 8 W4130H 53 10 8 W4180H 68 10 8 W4240H 75 10 8 W4300H 78 10 8 up to machine No from machine No Model Force A Post tensioning B New belt C N mm mm W475M N 35 8 6 W485M N 35 9 8 W4105M N 40 8 7 W4130M N 40 8 7 W4180M N 60 9 7 W4250M N 68 8 7 W4330M N 45 8 6 Up to machine No 520 111627 520 111...

Page 104: ...ion first undo the motor retaining screw A by using two cap keys When undoing screw A use one cap key as holder on on the screw s nut Press down the motor by using a screw driver in order to tension the belt Tighten the retaining screw and check the ten sion according to table Inspection of the drive belt tension is an important part of general maintenance ...

Page 105: ...d from the front after removing the front cover The drain valve consists of the following principal parts Lower part with rubber diaphragm Piston and cylinder Pressure plate and recoil springs Rubber diaphragm with drain connection Upper part with connection for outer drum 1 Drain valve Drain valve Drain valve H model M och N model ...

Page 106: ...ms a seal against the outer drum effectively closing the valve When the drain valve should be opened the control valve changes position to allow the water pressure to the lower part of the drain valve to close instead opening the return hose to the drain The pressure plate recoil springs pull the pressure plate back upon which the piston is pressed back into the cylinder The water from the lower p...

Page 107: ...part of the valve 4 Undo the hose clamp holding the valve rub ber bellows against the sleeve coupling of the outer drum 5 Loosen and unscrew the 4 retaining nuts of the valve a couple of turns use a socket extender and ratchet wrench Turn the valve and unhook it from the bolts 6 Disconnect the pressure hose from the lower part of the valve 7 Replace the valve with a new one or replace the defectiv...

Page 108: ...lve 4 Secure the hose clamp at the connection of the rubber bellows on the sleeve coupling 5 Connect the drain hose to the upper part of the valve 6 Turn on the main power to the machine and verify correct valve operation and that it does not leak 7 Reattach the front cover 5 6 4 7 6 5 2 1 3 5 9 101772 8 1 Upper part 2 Rubber diaphragm with drain connection 3 Pressure plate 4 Recoil spring 5 Cylin...

Page 109: ... have one connector while compartments 1 and 2 each have two con nectors one for cold water the other for warm water The detergent is routed from the bottom of the compartment to the outer drum through the combo module immediately behind the compart ment To safeguard against overfilling e g due to a blocked hose on its way to the drum the combo module features an overflow drain directly con nected...

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Page 111: ...ted at the bottom of the outer drum close to the edge They can be accessed front the front after the front plate is removed The contactor s is are placed in the rear control unit Depending on the size of the machine the fol lowing heating elements are shown as example Further is available Machine Heating element size model kW W465 W475 3 x 0 665 3 x 1 3 x 1 8 3 x 2 5 W485 3 x 0 665 3 x 1 3 x 1 8 3...

Page 112: ... receives information on the water temperature in the machine through an analogue signal from the temperature sensor situated in the outer drum The programme unit controls the heating contactors to achieve the set water temperature for the current washing programme When there is no water in the drum the pro gramme unit prevents switch on of the heating elements If an error would nevertheless cause...

Page 113: ... must be 90 scale units or more in order for the mechanical level control to be activated The programme unit receives information on the water temperature in the machine through an analogue signal from the temperature sensor situated in the outer drum The programme unit controls the heating contactors to achieve the set water temperature for the current washing programme The mechanical level contr...

Page 114: ...selves 1 Take down power from the machine 2 Remove the front cover 3 Make a note of how the heating elements are connected 4 Disconnect the connection to the heating element to be replaced 5 Unscrew the nut between the connections approx 1 cm 6 Push on the nut and bolt to undo the expan sion bracket from the outer drum 7 Remove the old heating element and install the new one Be sure that the rear ...

Page 115: ...eter PCM Prepared Coin Meter Prepared for coin meter PCMB Prepared Coin Meter Box As PCM but with strong box housing no coin box PCMSB Prepared Coin Meter Supply voltage Box As PCM but with power supply and strong box housing no coin box ESS Electrolux Single System Supplied with Electrolux Single System for AHL PCMX Prepared Coin Meter eXternal Supplied with interface for external coin meter CPC ...

Page 116: ...t system with external start e g for the French market PCB Prepared Central Booking Prepared for central booking payment system i e Coges Camping EBS Electrolux Booking System Prepared for central booking payment system EBS also for i e Aptus In time PXS Prepared eXternal Start Prepared for external start pause e g for gas heated machines DELAY Suppliedwithtimerfordelayedstart e g onmachineswithwa...

Page 117: ...ol unit RMC Residual moisture control MIS Management information system CBT Central payment system SCU Scale unit SW Software DMIS Detergent management system EMIS External management information system CW Clock wise CCW Counter clock wise A D SCU Analog digital scale unit Abbreviations ...

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Page 119: ...s stopped turning Check that the door does not leak Clean the door seal removing any detergent and fluff Check that the drain valve does not leak during the wash cycle Clean out any detergent remaining in the detergent compartment Rapid advance through a program and let the water rinse the compartment Every third month May only be carried out by authorized personnel Check that the door does not le...

Page 120: ...ing elements If the water is very hard check whether there are lime deposits on the heating elements Decalcify the elements if necessary Adapt the amount of deliming agent to the manufacturer s guidelines Never switch on the heating elements when there is no water in the machine This will cause the slow blow fuse to trigger Inspect the shock absorbers and coil springs Only EX and H model Preventiv...

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