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Installation

0620

0621

Mechanical installation

•

Mark and drill two holes 3/8'' in (8 mm) in
diameter and approximately 3 1/2'' in. (90 mm)
deep according to the dimensions in figure 5.

•

Place the machine in position. Never lift the
machine by the door or handle.

•

Check that the machine is level and steady.
Use stainless or galvanized washers between
the machine and the floor.

•

Insert the expansion bolts supplied with the
machine. Fit the washers and nuts.

It is of utmost importance that the machine
is level, from side-to-side as well as front-
to-rear. If the machine is not properly
levelled, it may result in out-of-balance
cutout without a real out-of-balance in the
drum.

Fig.

4811

870

780

790

716

Front

1000

910

900

830

EX 30 S

EX 50 S

Содержание EX-30 S and EX-50 S

Страница 1: ...T 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 OPERATING MAINTENANCE MANUAL EX 30 S and EX 50 S 438 9030 13 01 99 20 ...

Страница 2: ...CHINE S SHOULD NOT START b CLOSE THE DOOR to start 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 interlo...

Страница 3: ...terminado su ciclo la luz operativa esté apaga da y el cilindro de lavado haya completamento terminado de girar 2 No interferia o manipule el switch o la cerradura de la puerta 3 No trate de abrir la puerta o meta las manos dentro de la máquina para meter o sacar ropa mientras la máquina está en operación pues puede resultar seriamento herido LAS MÁQUINAS NO DEBEN SER USADAS POR NIÑOS SAFETY AND W...

Страница 4: ......

Страница 5: ...ecessary for all electric power wiring The interlock of the door must be checked daily for proper operation and must not be bypased All seepage in the system due to faulty gaskets etc must be repaired immediately All service personnel must be fully familiar with the operating manual before attempting any repair or maintenance of the machine This machine must not be sprayed with water otherwise sho...

Страница 6: ......

Страница 7: ...0 providing very efficient water removal during the spin All parts of the machine which come into contact with the items being washed are made of heavy gauge surgical stainless steel ensuring long life and lasting beauty as well as full protection for no iron fabrics All electrical components are made accessible for servicing by simply removing the top panel This manual contains a technical descri...

Страница 8: ...7 16 Depth 412 mm 16 5 16 Volume 120 litre 4 4 cu ft Speed of rotation Wash 24 48 r p m Distribution 78 r p m Extraction up to 950 r p m G factor During wash 0 8 During high extract 120 310 Voltage requirements 208 240 V 1 Phase 60 Hz Rated power Motor system 598 W Extraction 1900 W Overcurrent protection 1 Phase 15 A Water connections Water pressure max 10 kp cm2 142 psi Recommended water pressur...

Страница 9: ... 2 Depth 500 mm 19 11 16 Volume 220 litre 7 8 cu ft Speed of rotation Wash 44 r p m Distribution 70 r p m Extraction up to 850 r p m G factor During wash 0 8 During High Extract 120 300 Voltage requirements Motor system 208 240 V 1 Phase 60 Hz Rated power Wash 756 W Motor extraction 3000 W Overcurrent protection 1 Phase 20 A Water connections Water pressure max 10 kp cm2 142 psi Recommended water ...

Страница 10: ... N 1215 1325 O 200 P 140 140 Q 1140 1235 R 175 175 S 305 370 T 1110 1220 U 60 60 Outline and dimensions 4699 1 Opening for electrical cable connection 2 Steam connection optional 3 Cold water 4 Hot water 5 Hot water only EX 50 6 Drain outlet 7 Soap box 8 Liquid supply connections EX 50 S EX 30 S 6 5 G F B E C D T U 4 1 2 S R J Q N 7 3 H K O L P M A ...

Страница 11: ... the support from the pulley at the back of the machine Remove both front brackets Remove both rear brackets Placement The machine should be installed close to a floor drain or open drain to make installation use and service easier The following clearances are recommended for ease of installation and service At least 20 inches between the machine and the wall behind it At least 2 inches on each si...

Страница 12: ... level and steady Use stainless or galvanized washers between the machine and the floor Insert the expansion bolts supplied with the machine Fit the washers and nuts It is of utmost importance that the machine is level from side to side as well as front to rear If the machine is not properly levelled it may result in out of balance cutout without a real out of balance in the drum Fig 5 Fig 7 Fig 6...

Страница 13: ...an authorized personnel Installed appliances must be EMC approved according to EN 50081 1 and EN 50082 2 The connections A 1 5 are signals for the liquid supply pumps The connections B are for Neutral 1 and Phase 2 8 4722 Fig 8 T1 T2 T3 L1 N N L2 L3 X146 1 471 75 98 01 1 2 3 4 1 2 5 1 2 3 4 1 2 5 A B ...

Страница 14: ...machine must be connected up The table shows the possible connection options which will depend on the water types to be connected to the machine Check the machine plates too All water connectors must be connected up otherwise the wash program will not function correctly Hoses are to be of an approved type and grade to comply with national regulations The water pressure data is as follows min 40 kP...

Страница 15: ...ain outlet of the machine The drain must not have any sharp bends and must slope downward from the machine to assure proper drainage The outlet must open freely to the main drain Do not reduce the size of the drain connection from the machine to the waste line 12 1258 Fig 12 ...

Страница 16: ...stallation 13 1719 STEAM HOSE APPROVED FOR min 0 1 MPa max 0 8 MPa CABLE FROM MACHINE SEAL WITH TEFLON OR SIMILAR CONNECTION STEAM INJECTOR IN MACHINE For rebuilding look at the wiring diagram of the machine ...

Страница 17: ...ll steam valve bracket and valve The steam valve must be mounted in upright position Connect the steam hose between the steam valve and the steam intake on the machine The steam inlet pipe must be fitted with a manual cut off valve Fit the filter supplied with the machine to the manual cut off valve Connect an approved 1 2 steam hose be tween the steam valve and the filter The connection must be v...

Страница 18: ...nd on next page Single phase connection Connect the earth and other two wires as shown in example 1AC in the figure Three phase connection Connect the earth neutral and phase wires as shown in example 3AC in the figure When the installation is completed check that the drum is empty that the machine operates by turning on the mains switch starting the machine and using RAPID ADVANCE to reach the sp...

Страница 19: ...decal shown below should be affixed at the front of the machine and updated as required Fig 19 2207 19 18 17 2208 A Date Last Replaced Date Last Replaced IMPORTANT NOTICE This machine is equipped with an automatic oiler located at the right rear of the machine which keeps it lubricated for long bearing and seal life The amount of oil in the container is sufficient for approximately one year s lubr...

Страница 20: ...washer with door open When washer is in operation the loading door is locked and cannot be opened Verify this by attempting to open the loading door when the machine is operating If necessary consult this manual for proper operation of the door safety interlock or call a qualified serviceman If the machine starts with the door open or the door can be opened after machine is running the machine mus...

Страница 21: ...ecked daily for proper operation and must not be bypassed All seepage in the system due to faulty gaskets etc must be repaired immediately All service personnel must be fully familiar with the operating manual before attempting any repair or maintenance of the machine This machine must not be sprayed with water otherwise short circuiting may occur Fabric softeners with volatile or inflammable flui...

Страница 22: ...ccess to programs for all types of wash loads and degrees of soiling The control panel consists of program selection buttons A and B a combined start pause and rapid advance button C symbols with LEDs D which show the program selected and the program sequence plus an alphanu meric display E The alphanumeric display shows illuminated green characters In the event of faults error codes will be displ...

Страница 23: ...ntle actions consists of 6 seconds rotation as opposed to 18 seconds pause and 6 seconds pause and 14 seconds rotation for Normal action Press the START button 3426 4995 3435 24 Fig 23 Fig 24 Fig 26 27 Fig 25 Perm Press Quick Wash 2 3 4 5 START Hot Warm Cold Delicate Heavy Soil 6 1 7 START Fig 27 A B 25 26 23 1 Supply signals Program step Final extract Doorlock delay Door unlocked 2 3 4 5 Prewash ...

Страница 24: ...ng as this character is still flashing a new program can be selected without the drain opening This means you still have the chance to change the setting if the wrong program has been selected Do as follows Press START Select a new program Press START again after making any change in the program selected If for any reason you wish to halt the wash cycle for a time press the START button for a mome...

Страница 25: ...s first installed Each program needs to have been used at least once before the time left will be dis played For a time immediately after START is pres sed the colon character will flash on the display As long as this character is still flashing a new program can be selected without losing anything This means you still have the chance to change the setting if the wrong program has been selected Pr...

Страница 26: ...s on This shows that the door lock will shortly be unlocked The door will not actually be unlocked until the green LED by the door unlocked comes on accompanied by an audible signal This takes about 1 minute Troubleshooting If the machine won t start check that the circuit breaker is on the manual shut off valves for water are open a program has been selected the door is properly locked 3435 Fig 3...

Страница 27: ...echanism after its original installation the relevant electronic circuitry will have to be activated before the prices can be programmed in Only trained service personnel may use the service program and program in prices for coin operation Activation of electronic circuitry in machin es fitted with coin operation after original installation Press the service button Now certain of the buttons switc...

Страница 28: ...e value 50 should be stored under code 92 Enter code 91 using the buttons which have become number keys 9 and 1 The display will now show 91 When entering the actual value keep the price programming button activated the switch is located under the top cover at the right front edge Enter the value 1 and then release the button Enter code 92 The display will now show 92 Enter the value 5 Exit the se...

Страница 29: ...th the relevant program selector button and the option button Keep the price programming button activated Now the display shows 00 plus the coin sym bol Enter the price via the numerical key functions The START button can be used to enter 0 Release the price programming button This procedure should be repeated for all wash programs 2273 44 Fig 44 ...

Страница 30: ...ium soil short program 2A Colored towels 3A White towels heavy soil 4A Bedspreads delicates cold water 5A Kitchen housekeeping rags 6A Mops 7A Stain treat ment short formula 1B White table linen bleach no starch 2B Colored table linen bleach no starch 3B White or colored table linen no bleach no starch 4B White 100 polyester VISA table linen 5B Colored 100 polyester VISA table linen 6B Chef coats ...

Страница 31: ...s medium soil 2A Diapers pads heavy soil 3A Diapers pads extra heavy soil 4A 100 polyester pads 5A Delicates bedspreads 6A Sheepskins cubicle curtains 7A Personals general ldry 1B Colored uni forms sheets pillowcases light soil 2B Colored towels 3B Dietary and kitchen rags 4B Housekeeping rags 5B Mops 6B Stain treatment short formula 7B Stain treatment long formula 1AB White cotton or blend table ...

Страница 32: ... wash no iron fabrics 5A Light soil general wash cotton 6A Shirts no starch short extract may use with formula 5 or 6 7A Shirts starch short extract 1B Delicates 2B Mops 3B Extra heavy soil no iron fabrics 4B Extra heavy soil cotton fabrics 5B Wool blankets 6B Stain treat ment 7B Stain soak supplies added manually 1AB White or colored blend table linen with bleach no starch 2AB White or colored bl...

Страница 33: ...ed Daily Clean detergent residue from the door seal and check that the door does not leak Clean the detergent compartments and wipe down the machine with a damp cloth Check that the drain valve does not leak Start the machine and check that the door is locked while the machine is operating Every three months Check for leaks in valves hoses and connections Remove any lint from the machine s drainag...

Страница 34: ...anel Machine door Drain valve Frame Damper Motor Outer drum PCU board Heating relay Transformer 60 40 60 95 60 40 30 Elements Machines with permanent programs Steam valve obscured Oil lubrication Imbalance switch Door lock Inward power supply terminals Spring suspension Mechanical and electrical design ...

Страница 35: ...fety checks The machine has an integral service program for testing machine functions To avoid high mechanical stresses during the spin cycle the machine is fitted with an automatic imbalance sensor The spin cycle is discontinued if imbalance occurs the machine is filled with water and the machine oper ates with a reversing action to redistribute the wash goods The drain valve then opens the machi...

Страница 36: ... supports are attached In order to prevent excessively great vibrations which can be caused by imbalance in the drum a shock absorber is fitted between the drum and frame by each spring The EX 30 model has twin shock absorbers at the front Repair instructions If the out of balance cutout is repeatedly triggered Check the shock absorbers replace them if required Note that the shock absorbers should...

Страница 37: ...nuous and the V belt pulley is attached to the protruding journal by an adapter sleeve The outer drum end plate consists of two parts the inner and outer end plates which are bolted to the bearing housing with through bolts NOTE The inner and outer end plates must not be taken apart when the bearings are replaced The outer drum and rear plate are held together by 3 straps The outer drum is connect...

Страница 38: ...the door is locked and switch S3 indicates that the door is closed The door lock control unit located in the automatic control unit This unit consists of a circuit board for monitoring door lock functioning The locking arm located between the door lock handle and the locking unit This arm provides the mechanical link between door lock handle and locking unit Locking unit Locking arm Door lock hand...

Страница 39: ...vel measurement devices and the rotation guard speed monitoring device Through this double monitoring a very high level of safety can be achieved When the CPU board commands door locking the control unit checks that there is no water in the drum and that the drum is not rotating Only after that is a signal sent to the door lock Level and rotation are checked in the same way before the door is allo...

Страница 40: ...including its wiring 0 85 Hz Armament circuits for RE1 RE2 activated capacitor C8 charged when it should be discharged 0 37 Hz LED pattern of flashes during normal functioning Pattern of flashes indicating OK drum at standstill Pattern of flashes indicating OK drum rotating 5 Hz Error indication pattern 4686 Fig 50 50 Error indication patterns If the door lock is working correctly this is indicate...

Страница 41: ...ansformer supplies 12 V on its secondary side and can be adapted to suit any of four different primary voltages by moving a strap The transformer should normally be connected for a primary voltage of 230 V Switching for different power supply voltages takes place at transformer T1 Fig 51 51 4746 240 V 230 V 208 V 120 V Mechanical and electrical design ...

Страница 42: ...ide a certain range it will actuate the microswitch via the switch arm As a result extraction will be halted and the PCU will switch to wash speed After that the PCU switches to distribution speed before another attempt at extraction If the imbalance switch is being triggered repeatedly possible causes are Unsuitable wash loads The dampers are in poor condition see Chapter 43 Frame High water leve...

Страница 43: ... the motor mounting unit See the section Belt tension in this chapter Electrical connection for the motor is by quick connector This is a frequency controlled motor and its speeds for normal action distribution and extraction are controlled by E10 which is a microprocessor based motor control unit in the automatic control unit The motor windings have overload protection in the form of a thermal pr...

Страница 44: ...0 X301 X304 X308 X302 LC2 X312 X311 54 Fig 54 4744 LC2 Suppression filter Connectors X301 Serial communication with PCU X302 Input lock sequence X304 Relay output X308 Imbalance input X311 Main input X312 Connection motor and thermal protection device Klixon ...

Страница 45: ...or at constant speed and when accelerating and decelerating This data is used both for calculating the weight of the wash load and for detecting any imbalance present WARNING Take great care when using measuring instruments on the MCU since all components have a potential difference of approx 300 V in relation to earth and neutral The MCU will not be de energised until 10 30 seconds after the mach...

Страница 46: ...between MCU and PCU With an interface it is possible to connect a PC for testing machine operation functions X 301 2 Gnd X 301 3 Txd X 301 4 Rxd X302 Input lock sequence An input voltage of 96 276 VAC is required to start the motor The function of this input is to stop not start the motor when the door lock is open Input voltage 120 V 20 96 V 240 V 15 276 V 50 60 Hz Current Max 0 01 A X304 Relay o...

Страница 47: ...276 V 50 60 Hz The imbalance input receives its supply from Input lock sequence X302 Current Max 0 01 A X311 Main input Input voltage Single phase or DC three phase 200 V 15 170 V 240 V 10 264 V X312 Output to motor and input thermal protection device Klixon The output is connected to a thermal protection device located on the motor windings with a connection back to the input If the motor becomes...

Страница 48: ...E Once again short in motor windings wiring or internally in MCU 36E Fault in interlock circuits in MCU 37E MCU DC voltage too low 38E MCU DC voltage too high 39E Ripple DC bus EWD 4000 only 41E Fault error in MCU overheating circuits 56 Error indication patterns If a fault or error occurs in the motor or motor control unit the MCU sends an error signal to the PCU board In addition to an error cod...

Страница 49: ... board is normally lit except for a brief pause approx once every five seconds pattern which indicates OK When the microprocessor for the PCU is removed from the machine or has reset status the LED will be lit without flashing When the MCU current limiting function is activated the LED will instead flicker and the flashing pattern which indicates OK will be suspended for as long as the current lim...

Страница 50: ...on sequence is as follows Phase 1 Distribution period of 40 seconds with imbalance sensing Imbalance sensing takes place during the last 5 seconds Phase 2 Extraction for 30 seconds Phase 3 Extraction for 30 seconds Phase 4 Extraction for 30 seconds Phase 5 Extraction for remainder of the program s total extraction time 59 4759 rpm seconds Imbalance sensing Fig 59 EX 30 S EX 50 S Phase 1 85 78 Phas...

Страница 51: ...stributed in the drum At this point extraction is halted the motor speed is reduced to wash speed and a fresh attempt to begin extraction starts This procedure will be repeated up to three times per extraction After the third time the system will decide whether the imbalance is great or small If the imbalance is great the extraction stage of the program will end without extraction having taken pla...

Страница 52: ... belt tension is important The tension should always be checked as part of service and maintenance Mechanical and electrical design 60 4741 X 7 mm when belt is new Max 9 mm on subsequent checks of same belt If X more than shown here increase belt tension F 30 N EX 30 S F 40 N EX 50 S 7 mm Max 9 mm Fig 60 61 Retaining screw for adjusting drive belt tension Retaining screw for adjusting drive belt t...

Страница 53: ...er diaphragm connections for water filling overfilling drain In its open state the valve is not energised In this state the piston rod is screwed down to its lowest position by the return spring The diaphragm is pressed downwards with the piston and the valve is open 62 Fig 62 4748 4747 Nipple for sensor hose for level control Riser to wash drum Connection for water filling Diaphragm closed positi...

Страница 54: ...On the riser for the wash drum are the connection for water filling and a nipple for connecting the sensor line for the level control Instructions for repair Deposits on the diaphragm can prevent the valve from opening or closing properly The valve should therefore be cleaned at certain intervals depending on operating conditions and water quality If the valve is not opening or closing properly Ch...

Страница 55: ...gainst the stop screw Position the valve housing over the return spring so that the pin on the spring will fit into the recess on the piston rod Note the piston rod should be installed so its recess is aligned along the housing Then turn the housing one turn clockwise This will screw the pin of the spring into the piston rod The spring will be now tensioned approx 1 4 of a turn on account of the l...

Страница 56: ...h causes the elements to heat with no water in the drum their own fuses will blow Fault finding To be carried out by authorised personnel only If heating time is abnormally long Check with a multimeter to see if one of the elements is burnt out For access to the elements remove the machine s front panel Build up of limescale can reduce the efficiency of the elements If necessary descale them with ...

Страница 57: ...ew a half turn Remove the inspection cover in the inner drum Turn the drum so the opening is at the bottom This will give access to the nut for the element holder through the opening Release the nut for the element holder enough to allow the element to be pulled out Guide the new element into the element holder at the rear of the drum turn the screw one half turn and tighten the nut Connect the el...

Страница 58: ...ad The consumption of water and energy can thus be reduced Safety rules The weighing equipment is a precision measuring device and must be treated as such Never spray water directly onto the load cells and scale unit The load cells are vulnerable to impact The load cells are potentially vulnerable if welding is carried out If welding has to be done on the washer extractor attach the earth cable cl...

Страница 59: ...r is drawn up and the pilot valve in the center of the diaphragm open Because of the difference in diameter between the pilot valve opening and the ventilating hole in the diaph ragm the pressure above the diaphragm drops to a point where the admission pressure below the diaphragm can lift the diaphragm thus ope ning the valve When the current to the solenoid is cut off the plunger spring will pre...

Страница 60: ...agm Check the inlet strainer and clean as required Undo the coil and clean the surfaces of the magnetic core If the valve does not close Check that the coil is not live The valve is normally closed when the magnet is not energised Check the return spring Check the diaphragm pilot pressure opening Disassembling the valve Pull the coil straight upwards Use a screwdri ver if necessary to carefully un...

Страница 61: ...ssed brass The spring loaded plunger is made of stainless steel and located at its lower end Operation The valve is automatically operated by means of a rubber diaphragm and a pilot valve in exactly the same way as the supply injector valve To strip clean re assemble and troubleshoot the inlet valve follow the instructions outlined for the supply injector valve Fig 73 73 3963 74 3961 Fig 74 Coil S...

Страница 62: ...ids wait until the display shows an arrow and the compartment flushes with water Compartment 2 This compartment is used for adding detergent at the beginning of the Wash cycle If bleach is used it is added to this compartment when the display arrow appears The insert is used to help prevent oversudsing Compartment 3 This compartment is used for liquid fabric softener which is siphoned into the dru...

Страница 63: ...nstructed for continuous operation Operation The drain valve is normally open i e the motor does not close the valve until it receives current via a contact of the timer As soon as the current is cut the shaft turns and opens the diaphragm of the valve This also permits the machine to drain in the event of power failure The overflow hose 5 leads excess water or suds directly to the waste line in t...

Страница 64: ...l the various functions of the machine e g motor control water valves and door lock Outputs to the display Serial communication with the motor control unit The program control unit is controlled by the microprocessor which fetches its instructions from the program memory EPROM The EPROM contains instructions for operation the service program control of relays sensing of inputs etc The EPROM also c...

Страница 65: ...of a four digit number will now be displayed e g 13 Press button B The last two digits of a four digit number will now be displayed e g 47 This means that the machine s accumulated operating time is 1 347 hours To switch on service mode Remove the machine top and the cover for the program unit circuit board Press the service switch This switch is on the left hand edge of the circuit board when vie...

Страница 66: ...t two digits of a four digit number will now be displayed e g 13 Enter code 44 The last two digits of a four digit number will now be displayed e g 47 This means that the machine s accumulated operating time is 1 347 hours Fig 81 2242 2241 Code 43 Code 44 1 347 hours operating time 81 ...

Страница 67: ...nter code 42 The last two digits of a four digit number will now be displayed e g 58 This means an accumulated coin value of 658 currency units or 658 tokens In other words it shows that 658 currency units or tokens have been inserted into the coin mechanism up until the time of the check Fig 82 2239 2240 Code 41 Code 42 658 currency units tokens 82 ...

Страница 68: ...ter code 52 The display will show e g 195 Enter code 53 The display will show e g 803 Enter code 54 The display will show e g 480 When these digits are put together they make up the full part number A471 958034 The two digits at the end are an internal version number 2235 2236 2237 2238 A part no 471 958034 80 code 54 internal version no Code 51 Code 54 Code 53 Code 52 83 Fig 83 ...

Страница 69: ...t be repaired Instead the whole circuit board must be replaced To check functioning of the level control Start the service program by pressing the service button Now certain of the buttons switch to being number keys 1 to 9 Enter code 24 Now the display will show the current level in the machine on a scale of 1 to 200 An empty machine should show a value between 0 and 4 Press the START button The ...

Страница 70: ...m is activated Controls in service mode Now some of the buttons switch to being number keys 1 to 9 The start button becomes an ON OFF key The various machine functions can be tested using numerical codes see table on next page The LEDs to the left of the display show which input signals to the program control unit are active To switch off service mode Press the service switch again or switch off t...

Страница 71: ...ting relay reacts if the water level is above 64 scale units Safety level 21 Drain valve pump 23 Activate door lock When it is deactivated the water drain valve will also open 24 Level check The parameter corresponding to the actual level will be shown on the display not code 24 When START is pressed filling with cold water commences via detergent compartment 1 25 Motor wash speed low 30 rpm count...

Страница 72: ...ty of pause function in coin operated machines Can be 1 Yes or 0 No This is set using the priceprogramming switch see Page 39 Program control unit 94 Availability of rapid advance function in coin operated machines Can be 1 Yes or 0 No This is set usingthe price programming switch see Page 39 Program control unit 95 Activate coin op input Can be 1 Active or 0 Off This is set using the price progra...

Страница 73: ...the control panel display In the case of error codes 01E 02E 03E and 14E an attempt to restart the machine may be made as soon as the fault error has been remedied without the power supply being switched off For the other error codes a service engineer must be called WARNING When working on the motor control unit The voltage at test points 1 4 TP1 4 has a potential difference of up to 300 V in rel...

Страница 74: ...ature below 5 C open circuit 05E The temperature sensor indicates temperature above 98 C short circuit 06E The water level is above the safety level set for starting 07E The water level is above the safety level set for program operation 08E Temperature increase in water less than 5 C 10 min Heated machines 10E The water level is above the safety level set for after drain 12E The program control u...

Страница 75: ... e water level rising in drum Discharge valve closed Discharge valve open Check that level tube is sound not kinked not come loose from mother board Level tube OK Level tube not OK 01E Acknowledgement signal for water level not received within time allowed X80 6 5 4 3 2 1 X81b X81a 2 1 4 3 2 1 Y14 Y12 Y13 Y34 Y24 Y22 X78 2316 3331 2316 3350 Open taps Press START again Faulty valve Check function a...

Страница 76: ...ights Remove connector X71 from the program control unit PCB Short circuit between inputs 3 and 4 LED does not light LED lights Trouble shooting 1 4 X71 2316 02E Door status switch open during program operation Check whether the pin on the door or the plastic slide which the pin presses against are worn Replace any worn parts Continuity fault in wiring or connectors Check wiring and replace if nec...

Страница 77: ...or wrong Unscrew the door lock Door and door lock Check voltage at door lock between terminals X71 1 and 2 as illustrated Voltage correct Voltage absent or wrong 3390 1 4 Check voltage 2316 Error code symptoms Fault finding Transient fault in door lock or program PCB Faulty control output from program control unit PCB Replace PCB Cause Action Faulty wiring between program control unit PCB and door...

Страница 78: ...K Discharge valve not OK 06E Water level signal above parameter set on program start up 3350 Faulty control signal to discharge valve from program control unit PCB Replace PCB Connec tion level tube Level tube probably blocked due to fluff of wrongly mounted Clean or replace tube Nipple blocked on drain valve Check the discharge valve see Chapter 38 The service program can be used code 21 to open ...

Страница 79: ...nput voltage Valve stops drawing water Valve still drawing water 3350 07E Water level signal above parameter set for safety during program Transient fault or water has been added manually Connec tion level tube Level tube probably blocked due to fluff or wrongly mounted Clean or replace tube Nipple blocked on drain valve Level sensing device on pro gram control unit PCB not working or incorrectly ...

Страница 80: ...es No Turn on wall switch Start a program and let it run Still an error code No error code Check to see if the drain valve is partially blocked or not opening fully Drain valve OK Drain valve not OK 3350 Error code symptoms Fault finding Level tube probably blocked Clean or replace tube Level sensing device on program control unit PCB not working or incorrectly calibrated Transient fault No action...

Страница 81: ...ine normal Replace the EPROM Check that the new one has the correct program version Restart machine Error code 12E returns Machine normal 12E The program control unit cannot read the program EPROM Error codes which may arise on the control panel display 2316 The marking on the EPROM must be to the left EPROM Faulty program control unit PCB Replace PCB The old EPROM can probably be reused Old EPROM...

Страница 82: ...d Turn the machine s wall switch off and on again Start a program Error code returns No error code 14E Level system not tempera ture calibrated Error codes which may arise on the control panel display Transient fault No action required Replace program control unit PCB Cause Action Error code symptoms Fault finding ...

Страница 83: ...N closed and locked ON ON Door lock switch LED ONDoor status switch LED when door not locked OFF when door closed Unscrew the door lock Remove connection to door lock switch C on door lock as illustrated LED ON LED goes out Remove PCB connector X71 from program control unit PCB LED ON LED goes out Error codes which may arise on the control panel display 1 X71 Error code symptoms Fault finding 2316...

Страница 84: ...or X71 on program control unit PCB The voltage should be 120 230 V when the door is closed and locked Voltage wrong Voltage correct Check the input voltage to PCB connector X78 120 230 V Wrong voltage Voltage correct 3333 1 X71 6 X78 2316 X302 Error code symptoms Fault finding Cause Action Faulty signal detection on motor control unit Replace motor control unit Transient fault No action required F...

Страница 85: ...ansformer board 5 6 ca 1 75 V 6 7 ca 1 75 V 3 4 ca 14 5 V 1 2 ca 13 5 V Voltages correct An incorrect voltage On T10 check the input voltage at connector X178 120 230 V and that the strap is correctly located and in contact with the circuit board OK A fault Machine completely dead Display blank 1 7 X72 2316 F2 F3 Display 2316 3348 X172 1 7 Strap PCB transformer T10 Error code symptoms Fault findin...

Страница 86: ...7 ca 13 5 V An incorrect voltage Voltages correct Remove connector X172 on transformer T10 Measure the voltages between the following outputs on the transformer board 5 6 ca 1 75 V 6 7 ca 1 75 V 1 2 ca 13 5 V Voltages correct An incorrect voltage F2 F3 Display 2316 1 7 X72 2316 3348 X172 1 7 PCB transformer T10 Transient fault No action required Change fuse s and check functioning Fault in wiring ...

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