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I/O modules

8

9

10

11

6572

6573

6574

6575

Replacement of I/O module

I/O modules 1 and 2 are installed in the same
way, but are located in different parts of the
machine. The following illustration only shows
how to 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 block

8

9

10

11

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Summary of Contents for EX618

Page 1: ...shers dryers flatwork ironers and wetcleaning systems in a size and model for every laundry and wetcleaning need 516 371 4400 DOC NO 438 9228 76 04 EDITION 2010 08 27 EX618 EX677 SU620 SU677 W620 W677 Compass Control Service Manual ...

Page 2: ...malfunction Wascomat Customer Support Whether you need spare parts or technical advice to guide you to the source of a malfunction our nationwide network of authorized dealers are able and ready to serve your needs or call the Wascomat Customer Service Hotlines listed below For parts service and technical assistance call your local Wascomat dealer Spare Parts Technical Support Warranty Claims Wasc...

Page 3: ...oving parts and some components that may have sharp ed ges Improper or careless service procedures may result in serious injury to service per sonnel REFER SERVICING TO QUALIFIED SERVICE PERSONNEL ABOUT THIS MANUAL This manual is intended to provide service guidance to qualified service personnel Wascomat and its authorized dealers make no determination regarding the qualification of individuals r...

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Page 5: ...ANUAL MUST BE FOLLOWED DAILY FOR PROPER OPERATION OF YOUR WASCOMAT MACHINE PLEASE ENTER THE FOLLOWING INFORMATION AS IT APPEARS ON THE MACHINE S DATA PLATE S MAKE CERTAIN TO KEEP THIS MANUAL IN A SECURE PLACE FOR FUTURE REFERENCE MACHINE TYPE OR MODEL MACHINE SERIAL NUMBER S ELECTRICAL CHARACTERISTICS __________ VOLTS _________ PHASE _________ HZ ...

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Page 7: ...connect power prior to servicing of machine Deconnecter cet appareil del alimentation avant de proceder a l entretien 6 To remove top panel first remove screws at the rear When remounting the top reinstall them To remove the top panel on models on which it is secured by one or two keylocks use the keys provided in the drum package Be certain to relock after remoun ting the top panel MANUFACTURED B...

Page 8: ... machine operation and while it is operating attempt to open the door without exerting extreme force on the door handle The door should remain locked If the machine can start with the door open or can continue to operate with the door unlocked the door interlock is no longer operating properly The machine must be placed out of order and the interlock immediately repaired or replaced See the door i...

Page 9: ...Service program 36 Config 1 45 Activate wash progrogram 60 I O modules 61 General 61 Function options via the service program 62 Function options via program designation 63 Function options for Type 1 and Type 2 I O modules 64 Replacement of I O module 65 External connections to I O module type 2 66 Circuit diagram of function options for I O module type 2 69 Addressing I O modules 76 Door and doo...

Page 10: ... 101 Function 102 Repairs 103 Abbreviations 105 Preventive maintenance 107 Trouble shooting 109 General information on troubleshooting 109 Error code 110 Activating servicemode 113 Description of error codes and causes 117 The manufacturer reserves the right to make changes to design material and or specifications without notice ...

Page 11: ...rson in charge as soon as possible This is important both for your safety and that of others The machine is not intended to be used by people including minors with reduced physical or mental capacity or 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 pl...

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Page 13: ...3 4 3 4 3 4 30 90 30 90 30 90 30 90 30 90 30 90 200 600 200 600 200 600 200 600 200 600 200 600 8 145 8 145 8 145 8 145 8 145 8 145 50 1000 50 1000 50 1000 50 1000 50 1000 50 1000 5 5 5 8 15 15 20 20 20 30 60 60 75 3 75 3 75 3 75 3 75 3 75 3 45 45 45 45 45 45 170 170 170 170 170 170 DN15 DN15 DN15 DN15 DN15 DN15 1 2 1 2 1 2 1 2 1 2 1 2 45 90 45 90 45 90 45 90 45 90 45 90 300 600 300 600 300 600 30...

Page 14: ...0 50 1000 50 1000 50 1000 50 1000 50 1000 5 5 5 8 15 15 20 20 20 30 60 60 3 3 3 3 3 3 75 75 75 75 75 75 45 45 45 45 45 45 170 170 170 170 170 170 DN15 DN15 DN15 DN15 DN15 DN15 1 2 1 2 1 2 1 2 1 2 1 2 45 90 45 90 45 90 45 90 45 90 45 90 300 600 300 600 300 600 300 600 300 600 300 600 8 115 8 115 8 115 8 115 8 115 8 115 50 800 50 800 50 800 50 800 50 800 50 800 Water valves connection Rec water pres...

Page 15: ...1240 350 360 100 360 510 EX677 1020 1060 1445 500 1135 1155 100 1360 215 1320 300 380 100 360 335 EX618 EX625 EX630 EX645 EX660 EX677 Rear side Front Right side Rear side Front Right side 1 Electrical connection 2 Cold water 3 Hot water 4 Hard water option 5 Steam connection 6 Drain 7 Liquid detergent supply 8 Control panel 9 Soap box 10 Door opening EX618 ø 310 mm 12 3 16 EX625 ø 365 mm 14 3 8 EX...

Page 16: ...6 53 9 16 8 7 16 51 15 16 EX677 40 3 16 41 3 4 56 7 8 19 11 16 44 11 16 45 1 2 3 5 16 53 9 16 8 7 16 51 15 16 in inch L M N O P R S EX618 5 5 16 35 13 1632 11 16 14 3 16 3 5 16 9 7 16 EX625 5 5 16 39 3 16 35 13 16 16 5 16 3 5 16 11 5 8 EX630 11 13 16 44 5 16 3 5 16 12 17 15 16 EX645 12 3 8 47 7 16 14 9 16 16 1 8 3 5 16 13 3 16 19 1 8 EX660 11 13 16 48 13 16 13 3 4 14 15 16 3 5 16 14 3 16 20 1 16 E...

Page 17: ...1010 130 830 385 100 225 W SU625 720 705 1200 365 740 910 45 1115 215 1095 130 910 420 100 235 W SU630 720 790 1200 365 825 910 45 1115 215 1095 130 910 420 100 235 W645 750 880 1333 435 915 1035 45 1245 130 1225 210 1040 325 295 100 225 SU645 750 880 1333 435 915 1035 45 1245 130 1225 210 1040 325 295 100 225 W660 830 955 1410 470 990 1120 45 1330 160 1290 245 1125 325 325 100 265 SU660 830 955 1...

Page 18: ... 44 1 8 1 3 4 52 3 8 6 5 16 50 13 16 SU660 32 11 16 37 5 8 55 1 2 17 1 8 39 44 1 8 1 3 4 52 3 8 6 5 16 50 13 16 W677 35 13 16 40 15 16 56 7 8 19 11 16 42 5 16 45 1 2 1 3 4 53 3 4 6 5 16 52 3 16 in inch L M N O P R W SU620 5 1 8 32 11 16 15 3 16 3 15 16 8 7 8 W SU625 5 1 8 35 13 16 19 9 16 3 15 16 9 1 4 W SU630 5 1 8 35 13 16 16 9 16 3 15 16 9 1 4 W645 8 1 4 40 15 1612 13 16 11 5 8 3 15 16 8 7 8 SU...

Page 19: ...load lbs force at extraction kN Frequency of the dynamic force Hz Max floor load lbs force at extraction kN 9 3 13 8 8 7 12 9 8 7 12 9 8 3 12 3 7 9 11 7 7 5 11 2 375 696 468 813 518 912 648 1057 842 1189 1019 1310 375 583 468 675 518 824 648 1038 842 1301 1019 1524 1 7 3 1 2 1 3 6 2 3 4 1 2 9 4 7 3 7 5 3 4 5 5 8 1 7 2 6 2 1 3 0 2 3 3 7 2 9 4 6 3 7 5 8 4 5 6 8 W620 W625 W630 W645 W660 W677 SU620 SU...

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Page 21: ...ic programme unit 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 su...

Page 22: ...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 23: ...ater inlet valves 3 Power supply 4 I O board 5 Rear electrical module 6 Motor control 7 Outer drum 8 Coil spring not SU and W model 9 Motor 10 Shock absorber not SU and W model 11 Avloppsventil 12 Support 13 Door 14 Door lock 15 Program knob 16 Display 17 Control panel 18 Program unit EX model shown ...

Page 24: ...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 25: ... located 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 motor control is voltage fed over a cable which includes two fuses The machine s motor and motor c...

Page 26: ...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 27: ...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 28: ...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 29: ...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 ...

Page 30: ...RG Con 10 Input Free wash key switch FREE W Con 11 Input Coin meter coin Con 12 Input function depending on model INPUT A momentary short circuit on Con 12 on coin op models evokes a permission to start request via the CBT serial data link A connected payment device such as a card reader then has the responsibility to allow or deny the start request This eliminates the need to press the Compass Co...

Page 31: ...RL EXTRACT BLOCK START ACTIVE FIRST LANGUAGE SECOND LANGUAGE SEC LANGUAGE ACTIVE COIN VALUE 1 COIN VALUE 2 DECIMAL IN 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 DISPLAY WARNING S...

Page 32: ...der the top cover on the front of the machine Alt 2 Service switch on the I O board at the rear of the machine to the right of the electrical connection Alt 3 Service switch on the CPU card will be activated via a link arm which can be ac cessed from the front below the top front panel On machines with coin counting only Press the service button about 2 sec 1 Alt 2 Alt 1 ...

Page 33: ...ice mode is activated by using one of the following alternative Alt 1 Service switch on the I O board at the rear of the machine to the right of the electrical connection Alt 2 Service switch on CPU card under left hand side of the top cover Press the service button about 2 sec ...

Page 34: ...e of the following alternative Alt 1 Service switch on the CPU board under the top cover on the front of the machine Alt 2 Service switch on the CPU card will be activated via a link arm which can be ac cessed from the front below the top front panel Press the service button about 2 sec 1 Alt 1 Alt 2 ...

Page 35: ...e following submenus SERVICE CONFIG 1 ACTIVATE WASH PROGR I O ADDRESS For submenus not presented in this document please refer to the programming manual To save changes to the machine s flash memory they must be confirmed in a menu that is dis played automatically whenever a change has been made and you are exiting the menu 2 3 SAVE TO MEMORY YES MAIN MENU 01 00 00 00 SERVICE PARAMETER PROG STATIS...

Page 36: ...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 37: ...OOR NORMAL DRAIN DRAIN A D COLD WATER HOT WATER HARD WATER TANK 1 4 WATER HEAT 1 HEAT 2 HEAT 3 POWDER DETERGENT LIQUID DETERGENT INTERLOCK MOTOR PROGRAM RUN MACHINE 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 ALTERNATE DOOR LOCK AHL OPL FOAM RELAY EXIT Select the desired...

Page 38: ...OCK START BUTTON DRUM OVERFILLED PC5 TEMPERATURE PAUSE TANK 1 EMPTY TANK 2 EMPTY TANK 3 EMPTY TANK 4 EMPTY OIL EMPTY TEMPERATURE LEVEL A D SCU LEVEL SCU LEVEL MM TEMPERATURE DISP 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 INTERLOC...

Page 39: ... from the error 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 error code in the DLCU 10 11 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 UNIT EXIT SERVICE 01 0...

Page 40: ...e gene rated lock ing pulse Always 1 Always 0 Communication CPU DLCU showed in the service program From DLCU second data byte bit 7 bit 6 bit 5 bit 4 bit 3 bit 2 bit 1 bit 0 DLCU detects CPU level low Error bit A not activa ted Error bit B not activa ted Error bit C not activa ted Error bit D not activa ted DLCU detects CPU level high A B C D Always 0 Always 0 Always 0 Error code From CPU first da...

Page 41: ...LE row and press the knob The 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 wo...

Page 42: ... first data byte bit 7 bit 6 bit 5 bit 4 bit 3 bit 2 bit 1 bit 0 1 Writing reading to uP EEPROM Weight mode Unbalance mode Serial con trol mode Motor status showed in the service program From MCU second data byte bit 7 bit 6 bit 5 bit 4 bit 3 bit 2 bit 1 bit 0 No short circuit indi cation DC bus voltage OK Interlock OK Motor following Error code Indicate a trip state with no automatic restart Rese...

Page 43: ...ring weight calibration This is normal Weight calibration will take a few minutes When exiting weight calibration after it is complete you will have the option of saving the calibration value The value for 0 calibration is taken on each washing occasion and the weight value is adjusted automatically for any deviations NOTE The drum must be empty during calibration Confirm that calibration is to be...

Page 44: ...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 45: ...light on heat error on show module number AUTO PROG select MEASURE WEIGHT power cTRL heat power cTRL extract BLOCk START AcTIVe FIRST LANGUAGE COIN DEFAULT LANGUAGE ALH OPL SECOND LANGUAGE COIN LANGUAGE TIMEOUT SEC ALH OPL SEC LANGUAGE ACTIVE COIN coin value 1 coin value 2 DECIMAL IN PRICE COIN TIMEOUT DISPLAY SEC TIMEOUT END BUZ SEC PAUSE buzzER TIMEOUT MAX FiLL TIme SEC 6 WATER IN DRUM 7 DRUM OV...

Page 46: ...st the value set the value and press the knob The arrow in each menu shows the co lumn to be adjusted Turn the knob clockwise to set the desired number between 0 and 9 Turn the knob anticlockwise to move to the next column Turn the knob clockwise and set the value etc Once all the columns have been set press the knob to confirm and go back to the config menu 1 When all the relevant values have bee...

Page 47: ...uick stop program change menu is always available during the whole wash program Regret time has no function Note that if the variable program change is set to NO this will block the possibility to do a program change Coin value has no effect PAUSE Y RAPID ADVANCE N Pause and quick stop program change menu is available during the regret time After the regret time is gone only pause is available No ...

Page 48: ...is not allowed SHOW TIME Select whether the calculated remaining program time is to be shown on the display window while the program is in progress This will require the program having been used at least once or the row will be blank even if you respond with Yes The time shown is based on a calculation model using an input value from the previous wash program Yes The calculated time remaining of t...

Page 49: ...ater level is 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 REL...

Page 50: ...l the temperature 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 y...

Page 51: ...counter Select whether the contents of the machine s coin counter should be shown in the display window while a wash program is in progress or out side the wash program without going into service 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 ...

Page 52: ...ch new position 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 ERROR ON error code should b...

Page 53: ...engaged power CONTROL 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 should be possible to block the start of the wash pro gram with the control knob via a separate input Yes Wash program...

Page 54: ...e coin slot For example Coin 1 1 1 EURO Coin 2 5 5 EURO Coin 1 50 50 Cent Coin 2 100 1 EURO Setting the price to 300 and selecting DECIMAL IN PRICE will display the price as 3 00 DECIMAL IN PRIce coin On machines with coin counter the price can be displayed with or without colon 0 00 or 000 Yes The colon is displayed No The colon is not displayed timeout DISPLAY SEC Specify with the knob the time ...

Page 55: ...t if the error code shall be active or not For an explanation of the error code see section Error codes 10 DRUM NOT DRAINED Select if the error code shall be active or not For an explanation of the error code see section Error codes MAchINe AdDRESS Specify with the knob the machine s address 0 127 that is used when the machine is connected to the CMIS system or ELS Net work System PASSword Select ...

Page 56: ...rs 1 2 or electricity heating contactor 3 as the deerror heating system Yes Electricity No Steam back light time SEC Specify how long in seconds that the display lighting should be on without the control knob being activated The value 0000 means that the lighting is on all the time OFFS LEVEL READING MM The value set is subtracted from the ACTUAL value in mm in order to com pensate for the distanc...

Page 57: ...rum has been filled with water and flush delay has gone The time is given in steps of 1 second in the range 0 255 seconds level quick cool down SCU Select the level to which the machine should be filled with the cold water valve if the wash program includes the rapid cooling function The level is given in divisions DIV in the range 0 850 cool step temp Specify the maximum drop in temperature allow...

Page 58: ...e indication shall be shown after last reset of the service indication NOTE Only used in CPUs with software for Freescale microprocessor S12 and in GEN6COINOP with software for Hitachi H8 microprocessor DRY COM PORT CPU and I O This is only used on machines with two different control systems such as Compass and Selecta II Select which port on Compass to communicate with the Selecta II timer If Dry...

Page 59: ...oice guidance or not If timeout gone and machine not operating a welcome message will be sent out from the voice guidance if door opened closed any buttons pressed or program selector used If timeout not gone welcome message will be omitted vgb mess anticr sec Select if anticrease message shall be sent out or not by the voice guidance system after drying The anticrease function will make the drum ...

Page 60: ...to be pre sented in the display Engage service mode and select the ACTIVATE WASH PROGR row in the main menu Press in the knob All the wash programs contained in the installed program library are now shown NORMAL SYNTHETIC DELICATE handWASH WOOL EXTRACTION The activated wash program is presented in the program selection menu At the end of each row these wash programs are numbered in the order they ...

Page 61: ... for each module 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 ena...

Page 62: ... Read the program 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 Function options I O 1 and I O 2 BASE SOFTWARE 432669701 3 50 PARAMETER SOFTWARE 432660015 AB 0 0 BACK...

Page 63: ...is article number 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...

Page 64: ...witch Price 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 sign...

Page 65: ...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 66: ...to connections 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...

Page 67: ... 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 Bleaching agent Bleaching agent Ble...

Page 68: ... figure shows an example 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 ...

Page 69: ...e wiring diagram for I O module type 2 may be one of the following vari ants 22A 22B 22C 22D 22E 22F or 22G 6606 22A The signal received from external slot meters must be a pulse In order to count down prices the signal initiating the programming procedure must be active high ...

Page 70: ...ne Door lock activates on positive flank and program starts on negative flank of start pulse 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 ...

Page 71: ...once permission 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 ...

Page 72: ...n activated 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 ...

Page 73: ... O modules 22E 6315 Heating pause By connecting a signal to connection 6 you can pause opera tion of the machine whilst it heats up The machine will pause for as long as the pause signal remains active high ...

Page 74: ... sign 2 Liquid det sign 3 Liquid det sign 4 Liquid det sign 5 Program run NC Program run NO 2 2 F Com 24V Start permitted Central payment Plexa Compact Status machine M1 M1 S1 S1 Com Com Input 1 Input 2 Input 3 Input 4 Output 1 Output 2 Output 3 Output 4 Output 5 Output 6 NC Output 6 NO 6944 The central payment or booking system shall transmit an active high signal to the washing machine once perm...

Page 75: ...75 I O modules 6637 22G The gas heating unit must be connected to connections 17 18 and 19 ...

Page 76: ... 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 Select wether an I O module shall be addres sed or removed If addressed highlight the I O module and press the knob Press the service switch on the I O module indicated in the display Where multiple I O modules are to be add ressed repeat ...

Page 77: ...4a and S4b The 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 1 Emergency opening button 2 To programme...

Page 78: ... 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 79: ...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 80: ...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 81: ... 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 83: ...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 84: ...n 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 connectors This cable contains two fuses and a VDR resis tance The size of the fuses are different depen ding on machi...

Page 85: ...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 86: ...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 87: ...ogram unit will detect 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 se quence will restart from the beginning The number of restart attempts ...

Page 88: ... Lock sequence input Detects when the door is locked or unlocked The motor cannot start until the door has been locked If the indication disappears when the motor is operating the motor stops and an error message is shown on the programme unit dis play Input voltage min 120 V 20 50 60 Hz max 240 V 15 50 60 Hz Current max 0 01 A X308 Imbalance switch Input from the imbalance switch only fitted on s...

Page 89: ... protector The motor is fed with alternating current with va rying frequency that is proportional to the motor speed EX618 EX630 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 EX645 EX677 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 90: ...tor 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 or inte...

Page 91: ...ing 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 adjust the belt tension with the tensioner on one side of the motor Se section Adjustments Drive belt tension for details 3 Connect the new motor to ...

Page 92: ...ion should be as follows Model Force A Post tensioning B New belt C N inch mm inch mm EX618 30 5 16 8 1 4 7 EX625 40 3 8 9 5 16 8 EX630 53 3 8 10 5 16 8 EX645 68 3 8 10 5 16 8 EX660 75 3 8 10 5 16 8 EX677 78 3 8 10 5 16 8 Model Force A Post tensioning B New belt C N inch mm inch mm SU W620 35 3 8 9 5 16 8 SU W625 40 5 16 8 1 4 7 SU W630 40 5 16 8 1 4 7 SU W645 60 3 8 9 1 4 7 SU W660 68 5 16 8 1 4 ...

Page 93: ...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 ...

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Page 95: ...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 EX model SU and W model ...

Page 96: ...in turn forms 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 ...

Page 97: ...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 98: ...ve 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 Cylind...

Page 99: ...rt ments 3 and 4 each 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 drai...

Page 100: ......

Page 101: ...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 EX618 3 x 0 665 3 x 1 3 x 1 8 3 x 2 5 W SU20 3 x 0 665 3 x 1 3 x 1 8 3 x 2 5 EX...

Page 102: ...trols 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 the elements to switch on a slow blow fuse trig gers to switch them off again Then the heating elements has to be changed Steam heating The steam valve is controlled...

Page 103: ...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 104: ......

Page 105: ...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 107: ...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 108: ...eating 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 model Preventive m...

Page 109: ... out by authorised personnel 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 300V in relation to protective earth and neutral The components will contain dangerous voltages when the green LED on the motor control board is on The motor control system will remain...

Page 110: ...scription of all error codes The following pages describe error codes possible causes and corrective measures for each code Error code Text message from CPU 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 1 6204 Error ...

Page 111: ... DLCU low level 029 Dryer comm error Error code Text message from MCU 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 042 No paramet set in mcu 043 Unb switch RDC MCU on 044 Speed too high 045 Motor not follow Error code Text message from DLCU 051 Checksum from CPU 052 Charge circuit 053 CPU DLCU high le...

Page 112: ...m motor too hot 077 External error 078 Machine overheated 079 Filter lid open 080 Incorrect programming 081 Drying error RMC program 082 Drying error Autostop PR 083 Drying error Time program 084 No gas flame detec 085 No vacuum detected 086 Short in vacuum sens 087 Open circuit input sensor 088 Open circuit output sens Only for WDX630cc co WDX655cc co ...

Page 113: ...under the top cover on the front of the machine Alt 2 Service switch on the I O board at the rear of the machine to the right of the electrical connection Alt 3 Service switch on the CPU card will be activated via a link arm which can be ac cessed from the front below the top front panel On machines with coin counting only Press the service button about 2 sec 2 Alt 2 Alt 1 ...

Page 114: ...rvice mode is activated by using one of the following alternative Alt 1 Service switch on the I O board at the rear of the machine to the right of the electrical connection Alt 2 Service switch on CPU card under left hand side of the top cover Press the service button about 2 sec ...

Page 115: ...one of the following alternative Alt 1 Service switch on the CPU board under the top cover on the front of the machine Alt 2 Service switch on the CPU card will be activated via a link arm which can be ac cessed from the front below the top front panel Press the service button about 2 sec 2 Alt 1 Alt 2 ...

Page 116: ...the following submenus SERVICE CONFIG 1 ACTIVATE WASH PROGR I O ADDRESS For submenus not presented in this document please refer to the programming manual To save changes to the machine s flash memory they must be confirmed in a menu that is dis played automatically whenever a change has been made and you are exiting the menu 3 4 SAVE TO MEMORY YES MAIN MENU 01 00 00 00 SERVICE PARAMETER PROG STAT...

Page 117: ...ode 02 DOOR OPEN This error code is generated by the CPU board The error code can only arise during an on going wash program This error 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 Error code 03 DOOR LOCK FAI...

Page 118: ...rd This error code is display ed if the temperature around the NTC sensor exceeds 98 degrees 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 Error code 06 WATER IN MACHINE This error code is generated by the CPU board This error code may ap pear only in the case of ...

Page 119: ... Check using the service program that all the water valves are working correctly Error code 08 NO HEATING This error code is generated by the CPU board The error code means that the temperature is rising too slowly when heating is active The limit for this error code is normally set to a water temperature increase of approx 3 C per 10 minutes but can vary depending on the type of machine and the s...

Page 120: ...a blocked level hose drops of water in the level tube defective filler valve defective electronic filler control etc Action see error code 07 Error code 10 DRUM NOT DRAINED This error code is generated by the programming CPU card The error 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 by a blocked...

Page 121: ...r code is generated by the CPU board The error code arises if the CPU board cannot communicate with motor control via the communica tion cable Actions Check that there is power reaching the motor control Check the fuses in the Protection Cable If one of the components in the Protection Cable is damaged the cable must be replaced Then check that the indicator LED on the motor control is on The LED ...

Page 122: ...g time is longer than set in HEATING TIMEOUT SEC Config 2 this error code will be activated Error code 17 DOOR LOCK This error code is generated by the CPU board The error code arises if the door lock is locked at the start of the wash program i e that the door is locked although the CPU board has not requested locking Error code 18 START NOT ALLOWED The machine s program unit has been disabled by...

Page 123: ...h one or more I O boards in the machine that it has 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 error NOTE If only one ...

Page 124: ...U board Error code 27 LEVEL OFFSET This error code is generated by the CPU board The error 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 compen sate for automatically This can be caused by blocked drain blocked level hose a drop of water in the level hose leaking level system defective level c...

Page 125: ...must have exceeded the nominal value measured by the electronic level control When the mechanical level monitor is switched of during draining the water level in the drum must be below the nominal value measured by the electronic level control Reason The level controller can be damaged Cross talk in the level controller electrical system Leakage in the level controller s air hoses Incorrect nomina...

Page 126: ...sistors The cause of high cooling flange temperature can be e g a stiff drum in combination with intensive use and high ambient temperature There may also be an error in the motor sticking bearings or short circuit in windings which impairs the efficiency of the motor Actions Make sure the drum turns easily Check the value on the error code counter for error code 31 Check the last 8 motor control ...

Page 127: ...r too hot error code will be activated The cause of high motor temperature can be a stiff drum possibly in combination with intensive use and high ambient temperature There may also be an error in the motor sticking bearings or short circuit in windings which impairs the efficiency of the motor There could also be a contact error in the connectors between the motor control and the motor or an er r...

Page 128: ...he No interlock error code will be activated The cause of this error code being activated can be e g a break in the ca ble leading the interlock signal to the motor control There may also be an error in the connector in the door lock which connects 230V 50Hz to the interlock signal An error in the interlock circuits of the motor control can also set this error code Actions Use a measuring instrume...

Page 129: ... 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 error is a stable one it is generally not difficult to locate the defective unit through resistance measurement and testing with the service program Fu...

Page 130: ...the 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 an error code is activated LOW DC VOLTAGE The reason for this error 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 MC...

Page 131: ...er information can be obtained by studying the contents of FC FAULT LOGGER OVERVOLTAGE 2 specifies how many times error 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 132: ... If not the timer will write down the parameter set digit defined in fixed config If the MCU discovers that no parameter set value is written down into the MCU the error coce will be displayed Switch off the machine for at least 30 seconds to ensure the motor con troller MCU has been completely reset Then try to start the machine again If the error returns make sure that the timer system has the l...

Page 133: ...reak in connectors in tacho cables Break in one of the phases to the motor cables or connectors This error can be suspected if the motor does not rotate for 10 seconds the motor will not start with only two phases Error in tacho generator Error in tacho circuits in the motor control Further information can be obtained by studying the contents of FC ERROR LOGGER Study the following MOTOR NOT FOLLOW...

Page 134: ...tarts and finishes and generates an error code the error message is ignored between these two occasions Reason Strong interference from surrounding equipment etc can cause error co des Action Re set the error codes If the error codes can not be re generated or if they return rectify the adjacent equipment that causes the interference If this does not help try changing the CPU board since the inter...

Page 135: ... Error code 53 CPU DLCU HIGHLEVELS The DLCU contains a mechanical level monitor which ensures that there is no water in the machine when the door 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 electronic level check When a program starts or terminates a check is made to en...

Page 136: ...f the tacho signal is present without the digital bit value an error message will be generated to CPU The error message is filtered in such a way that the drum must rotate and stop twice without the should rotate signal being present before an error message is sent to CPU The DLCU processor will reset itself when the error has disappeared CPU reads the error message when the program finishes and g...

Page 137: ...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 digital bit value from the CPU processor which is due to the CPU having activated the motor The tacho signal should always cor respond to the digital bit value and if the tacho signal is not present when the digital bit value is present an error message ...

Page 138: ...tified the error message will disappear if the error ceases CPU reads the error message when the program starts and finishes and generates an error code the error message is ignored between these two occasions Reason The error can be caused by a break in the cables between the hatch lock and the CPU or caused by a error in the hatch lock solenoid Error or break in the CPU circuits Action If the er...

Page 139: ...r or its harness is open E 05 in the Service Manual for Selecta II Error code 76 DRUM MOTOR TOO HOT The thermal protection switch in the motor or its harness is open E 06 in the Service Manual for Selecta II Error code 77 EXTERNAL ERROR External equipment connected to the machine has caused error on port P13 Not relevant for this machine Error code 78 MACHINE OVERHEATED One of the proctection ther...

Page 140: ...in the Service Manual for Selecta II Error code 84 NO GAS FLAME DETEC A flame was not detected on gas heated machines E 14 in the Service Manual for Selecta II Error code 85 NO VACUUM DETECTED The vacuum switch pressure switch does not shut within 12 seconds after the machine is started E 15 in the Service Manual for Selecta II Error code 86 SHORT IN VACUUM SENS The vacuum switch pressure switch w...

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