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Functions (Machine control) - 3

Version 1.36

02/2004

B. Power supply board replacement

This procedure is largely similar to control board replacement.
Please refer for details to that procedure.

In case a fixed water connection is installed start from step 1.
If no fixed water connection is installed, unplug the power cord and proceed with step 6.

1.

Close the faucet and remove the external water supply hose. (water inside!)
Pour a cup of hot water.

2.

Unplug the power cord.

3.

Remove the tank lid.

4.

Disconnect the silicon water hose as well as the wiring from the inlet valve.

5.

Remove the retaining screw of the tank and lift the tank from the machine. Guide wiring and
hose upright trough the opening in the tank.

6.

Remove the right cover.

7.

Unplug the connectors from the power supply board. (There is no specific order of disconnecting)

8.

Loosen the screws (2) of the retaining rails, remove the rails and take the board out.

9.

Install the new board back into the machine and connect the various connectors.

10. Reassemble and test the machine.

C. Operation unit replacement (Foil Print)

In case a fixed water connection is installed start from step 1.
If no fixed water connection is installed, unplug the power cord and proceed with step 6.

1.

Close the faucet and remove the external water supply hose. (water inside!)
Pour a cup of hot water.

2.

Unplug the power cord.

3.

Remove the tank lid.

4.

Disconnect the silicon water hose as well as the wiring from the inlet valve.

5.

Remove the retaining screw of the tank and lift the tank from the machine. Guide wiring and
hose upright trough the opening in the tank.

6.

Remove the water tank, right cover, left cover top cover and rear cover.

7.

Remove the operation panel cover.

Be careful not to damage the part when it is being removed.

8.

Disconnect the flat cable in the upper left corner of the control board.

Never pull the cable, but release the two retaining clips at each side of the connector.

1

2

3

4

1

2

3

4

9.

Loosen the retaining screws of the
cooling compartment assembly
(4 at each side of the frame and lift
the cooling comparment a little to
create some space for the
flat cable to pass through.

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Содержание Cafitesse 50

Страница 1: ...Version 1 36 02 2004 Service manual Contenta Cafitesse 50 Version1 36 72X February 2004 Part number 89210190 ...

Страница 2: ...mming 4 1 Programming by means of the service device 4 2 Programming by means of the operation panel buttons 4 3 Flow chart service device programming 4 4 Flow chart button programming 4 5 Default settings 5 Functions 5A Water system 1 Disassembly and adjustment A Boiler replacement B Boiler temperature adjustment C Heating element replacement D Temperature sensor replacement E Level sensor replac...

Страница 3: ...on 2 Faults 3 Programming 4 Functions 5 Water System Dosing System Product Delivery Cooling System Housing Cabinet Control Preventive Maintenance 6 Service Procedures 7 Service Information Bulletins 8 Modification Instructions 9 Spare Parts List 10 5A 5C 5D 5F 5G 5K ...

Страница 4: ...Version 1 36 02 2004 ...

Страница 5: ...le as an accessory and 2 hot water for tea or instant drinks In effect the Coffee dispenser is a smaller liquid coffee brewer and the technical aspects in this manual are quite similar to that of the larger Cafitesse brewers OCS To exploit the mentioned inherent qualities the Contenta Cafitesse 50 is placed in the framework of the Office Coffee Service concept OCS The concentrated coffee and other...

Страница 6: ...ver and explain the operating instructions to the customer Installation startup programming and if required repair of the dispenser must be performed by trained and authorized service technicians only Hazard intensity levels There are three different levels of hazard intensity identified by signal words DANGER WARNING and CAUTION The level of hazard is determined by the following definitions DANGE...

Страница 7: ...he driptray in case coffee or water has been delivered while no cup or pot was present CAUTION The customer should clean the machine on a daily and weekly basis as described in the user manual and instruction label for hygienic and functional reasons CAUTION Always observe basic hygiene and use only food grade cleaning agents Clean the machine parts with a clean damp cloth Do not spray the dispens...

Страница 8: ...properly closed at all times The coffee quality may otherwise deterioriate Store coffee packs only in a refrigerator at a temperature below 6 C 42 8 F Always check the expiration date on the package best before date and use the coffee pack that has been stored for the longest period first in first out principle ...

Страница 9: ...an electrical circuit equipped with a fault current safety switch The machine must be connected to a grounded outlet conform regulations Water supply Water pressure allowed Min 0 8 bar dynamic pressure Max 10 bar static pressure fixed water connection Please measure in case of doubt Always operate in compliance with local regulations Location Avoid direct exposure to hot or cold air vibration and ...

Страница 10: ...tallation of the fixed water connection kit 7 Place chilled coffee pack 8 Rinse the water system thoroughly Installation completed 1 Unpack machine 3 Fill cold water tank Start 9 Calibrate and program machine 4 Connect power cord 2 Attach labels operation panel cover 5 Install drip tray with grille and trough 6 Switch machine on 7 2 2 3 4 5 6 ...

Страница 11: ...ar static pressure Start 9 Calibrate and program machine 1 Unpack machine 4 2 2 3 NSF US version 6 5 5 7 The numbers correspond with the steps of the procedure Size and type of filter may vary depending on local circumstances Not illustrated here Additional labels NSF version 4 Connect power cord 2 Attach labels operation panel cover 3 Place water stop valve install water filter and connect water ...

Страница 12: ...k version illustrated here NSF machines feature two additional labels attached to the inside of the cooling compartment door Branding sticker lower middle of the door Operation panel cover Quick reference label frame opposite to water tank Coffee pot Drip tray grille Trough Top pad Bottom pad Accessory case containing Dispenser upright Carton carrier dotted line Outer carton ...

Страница 13: ...tion regarding plumbing Water pressure allowed Min 0 8 bar dynamic pressure Max 10 bar static pressure Make sure that the caution label indicating these pressure values is in clear sight after installation 1 Connect the water stop valve to the faucet 2 Connect the flexible water hose to the machine Do not forget to put the sealing ring in place 3 Flush the water filter The necessity of this is dep...

Страница 14: ...er has been filled with water The indicator LED Please wait warming up boiler temperature low indication lights on and will thereafter remain on until the operational temperature has been reached This will take approx 8 minutes for 220 V or up to 20 minutes for 110 120 V machines Switch on the machine 5 Install cup grille drip tray and trough Install drip tray cup grille and trough The microproces...

Страница 15: ...ty of off taste and ensures the best water quality Program the machine 9 Calibrate the machine set cup volumes and coffee strength Programming can be done by means of buttons or the service device See also chapter 4 for additional information 1 Entering the programming mode Push the stop and power button simulteanously for 3 seconds The LED s on the operation panel will flash 3 times to indicate t...

Страница 16: ...n be adjusted to meet customer preferences Press the stop button and the pot of coffee button to check the actual ratio setting Count the number of times that the LED is actually blinking and add in case the Replace coffee pack LED lights or substract in case the Refill water tank LED lights this from the offset value 1 20 to calculate the actual ratio Adjusting the coffee strength To increase cof...

Страница 17: ...t is being lifted or carried This risk can be avoided by waiting until the boiler inside the machine has cooled down recommended waiting time mentioned in the user manual is 3 hours When a machine with fixed water connection is relocated the water hose contain air When reconnected this air may enter the water system and cause malfunctions Basic machine operation ingredients HACCP hygiene and produ...

Страница 18: ... by indication 13 Power inlet 14 Opening for reset switch Fixed water connection only 15 Water inlet valve 16 Flow restrictor 17 Sieve 1 5 15 16 17 1 Cold water tank lid 2 Cold water tank 3 Cold water level window 4 Main switch 5 Drip tray 6 Cup grille 7 Coffee outlet 8 Hot water outlet 1 Coffee pack empty indication 2 Cold water tank empty indication 3 Boiler temperature low indication 4 Hot wate...

Страница 19: ... oz Temperature Adjustable between 83 96 C 181 205 F Cold water supply Water container with a capacity of 3 litres 101 4 fl oz or a fixed water connection see also chapter 5A Dosing B2 dosing coil Accessories Coffee pot 940 ml 31 8 fl oz User operation Outlets Coffee and hot water Coffee Cup volume 20 999 cc 0 6 33 oz Time 8 10 sec 125 ml 4 oz Pot volume 20 999 ml 0 6 33 oz factory setting 900 ml ...

Страница 20: ...Version 1 36 02 2004 ...

Страница 21: ...eplace the coffee pack exceeds 10 C 50 F for more than it may have been far too warm 3 hours Check replace the NTC sensor Peltier element and cooling fan Cooling temp too low Cooling compartment temperature Check replace the coffee pack dropped under 1 C 34 F it may still be frozen Check replace the NTC sensor Eeprom broken or not build in Data cannot be retrieved Check replace Eeprom see note def...

Страница 22: ...een reached However the cycle is completed if more than 74 of the set volume has already been dispensed The boiler will not heat up if the trough is not present Off Boiler temperature correct normal status Blinking Boiler related malfunction The security relay will switch the machine off Cooling function remains operational 1 The heater remains on for more than 15 min and or the temperature exceed...

Страница 23: ...e tube Hot water remains to be delivered thereafter from the coffee outlet Off Coffee concentrate present normal status Completed if more than 74 of the set quantity has already been delivered otherwise the cycle is aborted e l c y c y r e v i l e d g n i w e r b a g n i t r o b a r o g n i l b a s i D e e f f o c f o p u C r e t a w t o h f o p u C e e f f o c f o t o P w o l f s u o u n i t n o ...

Страница 24: ...tton is pressed Cause Action Ref 1 Outlet valve malfunction Connect service device and test product valve 4 4 blocked Check if water is flowing out of the trough Replace valve if necessary 5A 6 PL 3 2 Outlet tube clogged not Remove left cover and check tubes and nozzle connected to the nozzle This malfunction implicates that water is leaking or clogged nozzle at the left side of the machine PL 3 3...

Страница 25: ...dirty Clean if necessary The empty detection assembly is defective Replace if necessary 5C 1 PL 8 Control PCB malfunction or the connector wiring is loose Check connections 5K 6 Irregular Faulty Coffee strength Cause Action Ref 1 Outlet valve malfunction Connect service device and test product valve 4 4 blocked Check if water is flowing out of the trough Replace valve if necessary 5A 6 PL 3 2 Boil...

Страница 26: ...e will not 5A 8 cracked or the tank valve be confined to the right side only PL 9 PL 10 leaks 2 Condensation in cooling Condensated water is partly guided by the frame compartment bridge through the wiring opening to the right side and reaches the machine base behind the main switch 5F 5 Check cooling compartment door and sealing PL 6 PL 7 Water leakage Machine front side Cause Action Ref 1 Excess...

Страница 27: ...resence of cracks Replace boiler if necessary 5A 1 PL 4 5 Water level probe fault Check probe and its connections Check if the GND 5A 5 overflow is connected Check boiler connector 24VDC 5A 1 Illustr Connect if necessary Heating element wiring not connected no GND for level probe pulse Connect if necessary PL 4 6 Boiler lid sealing not well Condensated water leaks through the sealing Check 5A 5 PL...

Страница 28: ... excessive 5F 2 PL 5 dust Check also the ventilation space 4 Temperature sensor error Check the sensor at an ambient room temperature 5F 2 PL 5 20 25 C 68 77 F 6250 5000 Ohm and replace if necessary 5 Wiring control PCB Check the wiring connectors Check the 11V circuit 5K 5 defective measuring point Replace control PCB if necessary 5K 1 PL 2 6 Poor contact conduction Check the torque if the requir...

Страница 29: ... of flat cable 5K 3 the PCB is damaged or not correctly connected 3 Control PCB error Replace the control PCB if there is no machine function 5K 1 without apparent reason PL 2 Machine does not function Power LED is blinking Cause Action Ref 1 Safety circuit is activated The overboil protection clixon has been actuated Switch the machine to stand by unplug the power cord press the safety switch and...

Страница 30: ...Version 1 36 02 2004 ...

Страница 31: ...e up down keys and press input to enter a sub menu to change any settings remark the time out is 5 minutes 6 Switch the dispenser to stand byafter programming 7 Disconnect the service device switch it off and reinstall the machine cover 8 Switch the machine on CONTENTAV 2 XY DD MM YEAR INSTALLATION READ COUNTERS TESTING BAD DOSING It is possible that the last detected error is displayed directly a...

Страница 32: ...E 1 0 CF 1 PC 1 2 3 4 5 6 7 10 11 12 13 See next page for the remarks concerning the installation sub menu BUTTON PROGRAM 1 0 NO 1 YES CUPVOL 125 MIN 20 MAX 999 BOILER TEMP LOCK 1 0 NO 1 YES 8 9 14 15 16 B Installation sub menu Enter the installation sub menu to change or view machine settings You can scroll through the various items with the keys and select an item with the key Press also to retu...

Страница 33: ...81 205 F It may be possible that the boiler LED starts blinking when the temperature is decreased 4 C 7 2 F or more boiler temperature high fault Switch the machine off for a while when this occurs 10 Enable disable the pot function 11 Pot volume in ml The coffe pot is always portion controlled The customer has to press the stop button when less than 0 9 litre 30 4 floz is needed It is of course p...

Страница 34: ... value is increased by 1 The max counter value is 99 counter continues with 0 thereafter All settings different from the default settings are stored in an EEPROM on the control board D1010 Should replacement of the control board become necessary the EEPROM can simply be reinstalled onto the new control board and all machine settings and counters are restored Keep the EEPROM therefore with the mach...

Страница 35: ...e Place a cup under the coffee outlet and clean the trough afterwards LED test Verify that every LED is properly functioning Heating element relay test When actuated the relay will produce an audible click Peltier test Measure the in output voltages over the related pins connectors When the Peltier element is activated a change of fan operation is audible The Peltier element will switch off for 3 ...

Страница 36: ... cup volume setting Place a cup under the coffee outlet Push the coffee cup button until the desired amount is dispensed in the cup Release the button Note that when you release the button the outlet valve closes some extra water will flow into the cup from the trough This quantity is directly stored in memory Repeat this sequence if necessary C Hot water cup volume setting Place a cup under the h...

Страница 37: ...ill water tank Check water supply LED of the operation panel is blinking and the coffee is less strong when the Replace coffee pack LED is blinking Count the number of times that the LED is actually blinking and add in case of the Replace coffee pack LED or substract in case of the Refill water tank Check water supply LED this from the default value 1 20 to determine the actual ratio E g if the Re...

Страница 38: ...Programming 8 Version 1 36 02 2004 4 3 Programming flow chart service device ...

Страница 39: ...vice Remove trough and place 0 5L measuring cup under the outlets Press and hold Release when 0 5 L water has been dispensed Ratio is 20 1 20 Blinking pulses Blinking pulses Ratio 20 pulses The coffee is less strong Ratio 20 pulses The coffee is stronger Increase coffee strength Press and hold Press times as required adjustment Press and hold Decrease coffee strength Pulsing with pressing the coff...

Страница 40: ...l 20 999 1 125 Cup control PC CF PC CF PC Cup price line 0 2 1 0 Pot volume ml 20 999 1 900 Pot disabled Off pot enabled Off On Off Pot price line 0 2 1 0 Hot water volume ml 20 500 1 125 Hot water control PC CF PC CF CF Hot water price line 0 2 1 0 Auto switch off in hours 0 9 4 Button programming by user Off On On Remarks PC portion control CF Continuous flow The service device utilizes metric u...

Страница 41: ... litres 60 9 fl oz Warning boiler can contain very hot water Hold the hose in position until the boiler is completely empty Put the plug back onto the hose 3 Disconnect the water inlet hose A the connector of the heating element B and the connector of the boiler wiring C the outlet tubes D and the overflow hose E Allow the water in the water inlet hose to flow out into a container Use a cloth to w...

Страница 42: ... under the boiler in the corresponding holes in the machine frame Overflow hose Connector boiler wiring Water inlet hose Drain hose Heater connector Hose Plug A Outlet tubes C E D B Boiler disassembly machine with fixed water connection Positioning pins Positioning holes 6 Connect the water outlet tubes to outlet spout on the machine frame Make sure that the tubes are correctly installed ...

Страница 43: ...ice in case of the latter please do so before step 9 Enter the button programming mode Place a measuring cup under the coffee outlet Press the coffee pot button and keep it pressed until 0 5 litre 60 9 fl oz has been dispensed The dispenser will calculate the flow of the valve Cancel the programming mode In case of the service device you will find the calibration in the installation sub menu Press...

Страница 44: ... to disconnect the power supply to the heating element in case the bi metal does not function properly back up safety The heating element or the boiler should be discarded if this safety device has been actuated To remove the heating element from the boiler 1 Remove the boiler lid 4 screws 2 Remove the retaining screws of the heating element 3 Take the heating element out of the boiler The heating...

Страница 45: ... power cord of the machine 2 Remove the left cover 3 Remove the lid of the boiler 4 screws The boiler contains very hot water The level sensor will be hot as well 4 Disconnect the wiring of the sensor 5 Remove the retaining clip 6 The sensor can be pulled out from the inside of the lid 7 Assemble the machine in reverse order Make sure that the wiring is properly connected If the sensor is not conn...

Страница 46: ...2 Remove the boiler 3 Disconnect the wiring 4 Disconnect the outlet hoses 5 Remove the retaining screws 6 Gently pull the valves out of the boiler 7 Reassemble in reverse order It is recommended to replace the sealing rings between valve and boiler together with the valves Make sure that the sealing rings are not damaged worn down and correctly positioned Outlet hoses Hot water coffee valves Retai...

Страница 47: ...ssemble the cover and place the cold water tank back in place Cold water inlet assembly G Disassembly of the water inlet valve not applicable for machines with a fixed water connection 1 Unplug the power cord 2 Remove the watertank 3 Remove the left cover 4 Empty the boiler and the water inlet hose of the boiler see page 1 5 Unplug the two connectors of the water inlet valve the inlet and outlet t...

Страница 48: ...ce the hose upright during the process 3 Unplug the power cord 4 Remove the lid of the tank 1 Torx 15 screw 5 Remove the silicon water hose from the valve 6 Remove the wiring from the valve 2 connectors 7 Remove the valve 2 Torx 15 screws 8 Disassemble in reverse order Ensure that the correct flow restrictor is used the sealing ring of the external water supply hose is placed correctly air is allo...

Страница 49: ...at actuates a magneto electrical sensor when there is no water left in the tank A spring operated valve closes automatically when the water tank is lifted for filling or cleaning and opens when placed into position Water inlet system Water from the cold water tank flows to the boiler via the water inlet valve Water flows to the boiler by gravitation There is no pump in the system The inlet valve i...

Страница 50: ... Top view Boiler Heater Overflow Outlet trough Outlet trough Water Coffee Level sensor Drain hose NTC Temperature Sensor Coffee Water 2x Overboil sensor Water Coffee The water system of machines with a fixed water connection does not include the water tank compo nents whereas the location of the inlet valve differs ...

Страница 51: ...sed to control the heating element Water dosing When the hot water button is pressed the front outlet valve opens and the programmed amount of hot water is delivered When the coffee button cup pot is pressed the rear outlet valve opens Outlet valve open control Delivery mode portion control Set cup volume ml water flow ml s open time sec Delivery mode continuous flow Valve opens as long as the spe...

Страница 52: ...ds the limit of 4 C 7 F above the set temperature normally the relay will switch off the power supply Should the NTC sensor fail to detect a high temperature the power remains on the temperature increases and the bi metal is actuated The deformed bi metal plate presses against a small pin that in turn disconnnects the leads inside the connector and the heating element will be switched off The bi m...

Страница 53: ...e cover 3 Empty the boiler Caution boiler may contain hot very water 4 Disconnect hoses still water inside and wiring from the inlet valve and remove the inlet valve 5 Connect hoses to the boiler as illustrated Ensure that the installation conditions are met before you install the fixed water connection refer to chapter 2 page 1 Always observe local regulation regarding plumbing Water pressure all...

Страница 54: ...de the hose together with the wiring through the opening in which the water inlet assembly was installed Reinstall the right cover electronics cover Disconnect current connector 4 wires Connect new connector 2 wires at CN11 New wiring for the inlet valve coming from CN11 Removed Water inlet assembly Hose connector Silicon hose included in kit Existing silicon water supply hose 9 Remove the retaini...

Страница 55: ...ter hose to the valve at the rear side of the tank 4 Do not forget to place the sealing ring 12 Connect the water block to the water cock see the included instructions and connect the flexible metal water hose 5 1 4 3 2 5 13 Open the water cock plug in the power cord and switch the machine on Check the machine performance and ensure that no hose or connection is leaking 14 Install tank lid and lef...

Страница 56: ...Version 1 36 02 2004 ...

Страница 57: ...e power cord and proceed with step 6 4 Disconnect the silicon water hose 5 as well as the wiring 6 from the inlet valve 5 Remove the retaining screw of the tank 7 and lift the tank from the machine Guide wiring and hose upright trough the opening in the tank 8 6 Remove all machine covers left cover right cover rear cover and top cover and the water tank About removing the right cover Remove the sc...

Страница 58: ...ent Fan 1 4 2 3 1 4 2 3 7 Disconnect the connectors CN8 CN9 CN13 CN14 on the control PCB 8 Disconnect the wiring of the fan Peltier element and the NTC sensor machine rear side 9 Remove the four retaining screws of the complete cooling compartment on both sides of the machine frame ...

Страница 59: ...ing screws of the mount of the door Remove the door mount and the sealing 13 Remove the left and right thermal insulation 10 Tilt the complete cooling compartment a little towards you 11 Lift the complete cooling compartment assembly including the operation panel gentlyfrom the machine guide the wiring from the control PCB carefully through the opening in the frame to prevent damage to the wiring ...

Страница 60: ...screws Remarks The dosing coil assembly is available as a single spare part The sub parts are not separately available The dosing pump is an intregrated part of the coffee pack and can not be disassembled or adjusted It is a closed system to prevent that air can affect the quality of the coffee concentrate ...

Страница 61: ...tregrated part of the coffee pack and can not be disassembled or adjusted It is a closed system to prevent that air can affect the quality of the coffee concentrate The dosing coil assembly is available as a single spare part The sub parts are not separately available 2 Functional description The coffee concentrate is delivered in a 1 25 liter 42 3 fl oz bag in box It is a closed system with an in...

Страница 62: ...ng pump will deliver approx 0 105 cc during 1 pulse of 6 8 ms effective pulse duration 6 5 7 2 ms 3 Directly after the pulse the tappet moves upwards the bellows assumes its normal shape and the next bit of coffee concentrate flows into the bellows via the inlet valve that has been opened by the pressure difference atmospheric pressure low pressure inside the bellows as its shape is restored Coffe...

Страница 63: ...water valve to the hot water delivery spout whereas the rear channel guides water from the coffee valve to the coffee delivery outlet The latter guides the water through a circular area in which the water is mixed with incoming concentrated coffee dosed by the B2 dosing system The trough is equipped with a lid from serial no 0128XXXX to prevent that coffee in the trough can pollute surrounding mac...

Страница 64: ...Version 1 36 02 2004 ...

Страница 65: ... which the heat sink is installed 5 Disconnect the wiring of the Peltier element red black see the illustration 1 Unplug the power cord 2 Remove the rear cover two screws 3 The fan is mounted on the heat sink Remove the 2 screws of the fan bracket 4 Take the fan out remove the fan from its bracket 2 screws and disconnect the wiring of the fan red black wiring see the illustration for recognition o...

Страница 66: ...he both retaining screws of the peltier element retainer 11 Fasten the screw in the middle peltier element retainer with a torque wrench 140 Ncm 12 Reinstall the fan the rear cover and reconnect the power cord C NTC element replacement 1 Unplug the power cord 2 Remove the rear cover 2 screws 3 Put the connectors in the lower left corner aside The sensor support wiring of the NTC sensor can now be ...

Страница 67: ...k 7 and lift the tank from the machine Guide wiring and hose upright trough the opening in the tank 8 6 Remove all machine covers left cover right cover rear cover and top cover and water tank About removing the right cover Remove the screw at the rear side Lift the cover about 12 cm 4 Disconnect the flat cable of the On Stand by switch on the control PCB lower left corner Lift the cover from the ...

Страница 68: ...lt the complete cooling compartment a little towards you 11 Lift the complete cooling compartment assembly including the operation panel gentlyfrom the machine guide the wiring from the control PCB carefully through the opening in the frame to prevent damage to the wiring 12 Open the door of the cooling compartment and remove the retaining screws of the mount of the door NTC Sensor Peltier element...

Страница 69: ...is basically a series of thermo electric cooling cells consisting of 2 bismuth semi conductive bridges The bridges are made of tellurium with different surface layers An electric current is applied to create the heat transfer A sealing is applied to the contact surfaces of the peltier element to prevent that the condensated water would cause corrosion The heat from the interior of the cooling comp...

Страница 70: ...dures or adjustments regarding covers and frames This chapter consists therefore of a brief overview Overview of machine covers 1 2 3 6 4 4 5 7 8 9 9 Housing and related parts 1 Left cover 2 Rear cover 3 Top cover 4 Hinge door 5 Door assembly 6 Door cover 7 Right cover 8 Inner cover 9 Rear machine support ...

Страница 71: ...e water tank About removing the right cover Remove the screw at the rear side Lift the cover about 12 cm 4 Disconnect the flat cable of the On Stand by switch on the control PCB lower left corner Lift the cover from the machine 1 3 2 4 5 6 8 7 Right cover 5K Machine control 1 Disassembly A Control board replacement Beware of static electricity It could cause serious damage to the EPROM or the prin...

Страница 72: ...he PCB Do not replace the EEPROM without the proper tools or training Incorrect handling will cause instant damage to the electrical components 9 Install the new board back into the machine and connect the various connectors 10 Reassemble the machine and program the machine if a new board with new EEPROM is installed Power supply PCB CN9 CN14 CN13 CN8 EEPROM Power check LED this indicates that the...

Страница 73: ...nd connect the various connectors 10 Reassemble and test the machine C Operation unit replacement Foil Print In case a fixed water connection is installed start from step 1 If no fixed water connection is installed unplug the power cord and proceed with step 6 1 Close the faucet and remove the external water supply hose water inside Pour a cup of hot water 2 Unplug the power cord 3 Remove the tank...

Страница 74: ...6 1 Close the faucet and remove the external water supply hose water inside Pour a cup of hot water 2 Unplug the power cord 3 Remove the tank lid 4 Disconnect the silicon water hose as well as the wiring from the inlet valve 5 Remove the retaining screw of the tank and lift the tank from the machine Guide wiring and hose upright trough the opening in the tank 6 Remove the water tank and the right ...

Страница 75: ... CN15 CN16 CN3 C6040 C6070 R5140 U4040 R5100 R5130 R5120 R5110 U3060 R5160 R5070 R5260 R5170 R5240 U4070 R5060 C1010 C2000 C6050 C2010 C1050 R5200 R5430 R5270 U3110 U4050 U3010 U3030 U3020 C6220 CN10 CN5 G1000 U4020 R5080 U3090 R5150 C1000 C1005 R5490 U3000 R5090 R5095 U6020 U6030 C6190 C6210 C6170 C6260 U4080 R5440 C6130 C6230 C6240 C6250 C6180 C6100 R5000 C6000 U4010 R5050 R5030 R5020 R5180 R222...

Страница 76: ... relay return 0V On 24V off 7 1 6V Cooling fan GND 7 2 24 V 16 4 V Cooling fan power supply 7 3 GND Not connected 7 4 GND Not connected 7 5 NTC sensor cooling analogue GND 7 6 NTC sensor cooling 8 1 GND emitter wire III 8 2 B2 empty detection collector wire III 8 3 GND kathode wire II 8 4 IR LED anode wire I 9 1 GND Shield 9 2 GND Shield 9 3 GND 9 4 0 5V Stop switch 0V Pressed 5V Not pressed 9 5 0...

Страница 77: ...ot connected 12 3 Not connected 12 4 Not connected 12 5 Not connected 12 6 Serial out service device 12 7 GND 12 8 Not connected 12 9 Serial in service device 13 1 19 75V Dosing coil power supply 14 1 Dosing coil return 15 1 0 11V Peltier element 0 V On 11 V 0ff 16 1 0 11V Peltier element return 0 V On 11 V 0ff 17 1 5V Power supply 17 2 Dataline coin mechanism 17 3 Clockline coin mechanism 17 4 GN...

Страница 78: ...Version 1 36 02 2004 ...

Страница 79: ... Supply and Security Relay 4 Cooling Control 5 Dosing Control 6 7 Security Device Control 8 Front Panel 9 Analog Digital Converter Side Panel Cold Water Supply Unit 10 CPU 11 Coin System 12 13 Overview Electrical Diagram Contenta 230 V AC Overview Electrical Diagram Contenta 110 V AC ...

Страница 80: ......

Страница 81: ...e Bn Blk Rd CN12 Flatcable Floater empty detection Cold water Boiler inlet Cooling compartment Heater relay Heating element 3 2 1 5 6 4 9 1 2 Contenta 230 V AC Diagram contenta sch DECS Int D Boereboom L N PE 230 Vac Bn Bl Yl Gn Blk Blk Ye Gn Ye Gn Bn Rd Dry boiling First Dry boiling safety switch Second safety switch auto reset fatal Uref Boiler temp 24V 24Vret 24Vsup Hot water valve Coffee valve...

Страница 82: ...Ye Bn Blk Rd CN12 Flatcable Floater empty detection Cold water Boiler inlet Cooling compartment Heater relay Heating element 3 2 1 5 6 4 9 1 2 Contenta 100 V AC Diagram contenta sch DECS Int D Boereboom L N PE 100 V ac Bn Bl Yl Gn Blk Blk Ye Gn Ye Gn Bn Rd Dry boiling First Dry boiling safety switch Second safety switch auto reset fatal Uref Boiler temp 24V 24Vret 24Vsup Hot water valve Coffee val...

Страница 83: ...1 2 R1 180E 1 2 R2 180E 1 2 R3 180E V1 LED RED V2 LED RED V3 LED YELLOW SW1 SW2 SW3 SW4 GND coffee empty cold water empty boiler temperature low hot water cup of coffee pot of coffee stop SW1 1 2 3 4 5 6 CN10 1 2 R1 180 1 2 R2 180 V2 LED RED V1 LED GREEN GND main on off switch main on off led cooling error led Swatch front panel Swatch side panel ...

Страница 84: ...100k 1 2 R5240 100k 1 2 R5230 330k 5 6 D1050C 74HC04 GND GND 11 10 D1050E 74HC04 V4070 1N4002 V4080 1N4002 2 1 3 V3020 BC337 2 1 3 V3030 BC337 2 1 3 V3040 BC337 V4060 1N4002 1 2 R5250 1k 1 2 R5260 1k 1 2 R5270 1k 1 2 D1050A 74HC04 11 10 D1030E 74HC04 1 1 2 2 CN6 JST B 2B XHA GND GND 1 2 C2010 10nF 1 2 C1050 10nF 1 2 C1030 10nF GND GND AGND 5V 5V 5V BOILER WATER LEVEL COFFEE VALVE BOILER TEMP HEATE...

Страница 85: ... 24V RET CHECK ENABLE SAFETY 24V GND GND GND GND GND GND 24Vsup 24Vret 24Vsup 19V75sup 19V75sup 19V75 GND V4040 1N4002 V4030 LED3RED 1 1 2 2 3 3 CN3 JST B 3B XHA 1 2 R5100 10k 1 2 R5110 10k 1 2 R5120 10k 1 2 R5130 10k 1 2 R5140 270 1 2 R5150 10k 1 2 R5170 10k 1 2 R5160 47k 12 13 11 D1020D 74HC00 1 2 5 3 4 8 6 7 G1010 RELAIS E3208 1 2 3 4 5 CN4 NOCON 1 2 3 4 5 6 CN1 JST B6P VH 2 1 3 V3000 BC547 ...

Страница 86: ...COOLING TEMP BOILER TEMP B2 CURRENT B2 CURRENT I2C CLOCK 5V 5V 5V AGND AGND GND AGND 5V 5V AGND 5V GND AGND Uref 1 2 C2000 10nF 1 2 C6050 10nF 1 2 C1010 10nF CS 18 SE 13 CLK 16 DO 14 DI 17 VREF 12 AGND 11 CH0 1 CH1 2 CH2 3 CH3 4 CH4 5 CH5 6 CH6 7 CH7 8 COM 9 N2000 ADC0838 SK 2 DI 3 DO 4 CE 1 D1010 9346 1 2 R5070 1k 1 2 R5060 1k 1 2 R5470 0E 1 2 R5080 2k7 1 2 C6040 10uF 1 3 2 V4020 LT1004 1 235 ...

Страница 87: ...up GND GND cooling temp G D S V3060 MTP52N06V MOTOROLA 1 1 2 2 CN15 AMP FASTON 4 8X0 8 1 1 2 2 CN16 AMP FASTON 6 3X0 8 1 2 C6100 10nF 1 2 3 4 5 6 CN7 JST B 6B XHA 1 2 R5440 68 2W 1 2 R5280 6k19 1 1 2 R5300 1k 1 2 R5460 1k 2 1 3 V3050 BC547 9 8 D1040D 74HC04 10 9 8 4 11 N2010C LM324 12 13 14 4 11 N2010D LM324 5V 1 2 C6230 100nF 1 2 C6240 10nF 1 2 C6250 100nF AGND AGND Ur 7 6V AGND AGND 5V 1 2 C6235...

Страница 88: ... CURRENT B2 EMPTY DETECTION GND GND GND GND 19V75 G D S V3090 BUK455 100A Philips 1 2 3 4 CN8 JST B 4B XHA V4090 1N4002 1 1 2 2 CN13 AMP FASTON 6 3X0 8 1 1 2 2 CN14 AMP FASTON 6 3X0 8 2 1 3 V3070 BC547 1 2 R5320 1k 1 2 R5310 390 1 2 R5350 0 22 0 5 1 2 R5340 100k 1 2 R5330 180 A K V4100 39V 13 12 D1030F 74HC04 1 2 R5490 100 1 2 C6280 150pF GND 1 1 2 2 3 3 CN18 Eurodip PH1 B2 CURRENT B2 CURRENT B2 C...

Страница 89: ...Orcad A Date 30 Jan 2004 Sheet of File Cont_V24C ddb Drawn By 11 7 V2 4C 810900 CONTENTA Service Device SERIAL IN GND GND 5V 1 2 C1040 10nF 1 2 D1040A 74HC04 5 6 D1040C 74HC04 3 4 D1040B 74HC04 SERIAL OUT 1 1 2 2 3 3 CN12 JST B3B ZR C5000 2n7 C5010 2n7 GND GND ...

Страница 90: ...COFFEE EMPTY LED WATER EMPTY LED HOT WATER SWITCH CUP OF COFFEE SWITCH POT OF COFFEE SWITCH STOP SWITCH GND 5V 5V 5V BOILER COLD LED Front panel 2 1 3 V3140 BC547 2 1 3 V3150 BC547 1 2 R5360 10k 1 2 R5370 10k 1 2 R5380 10k 1 2 R5390 10k 9 8 D1030D 74HC04 3 4 D1030B 74HC04 5 6 D1030C 74HC04 1 2 D1030A 74HC04 2 1 3 V3130 BC547 1 2 3 4 5 6 7 8 9 10 CN9 JST FDZ BT 10 ...

Страница 91: ... SWITCH COOLING ERROR LED MAIN POWER LED COLD WATER EMPTY DET COLD WATER VALVE GND GND GND 5V GND Cold water empty det Cold water valve GNDGNDGND V4110 1N4002 1 2 3 4 5 6 CN10 JST FDZ BT 6 1 2 3 4 5 6 7 CN11 JST B 7B XHA 9 8 D1050D 74HC04 13 12 D1040F 74HC04 2 1 3 V3110 BC547 2 1 3 V3120 BC547 2 1 3 V3100 BC337 1 2 R5410 10k 1 2 R5420 1k 1 2 R5400 10k 11 10 D1040E 74HC14 1 2 C6290 150pF GND ...

Страница 92: ... 2 C6030 27pF V4010 1N4148 1 2 C2020 10nF 1 2 C1020 10nF 1 2 C1000 10nF 1 2 C6020 27pF EA VP 31 X1 19 X2 18 RESET 9 INT0 12 INT1 13 T0 14 T1 15 P1 0 1 P1 1 2 P1 2 3 P1 3 4 P1 4 5 P1 5 6 P1 6 7 P1 7 8 P0 0 39 P0 1 38 P0 2 37 P0 3 36 P0 4 35 P0 5 34 P0 6 33 P0 7 32 P2 0 21 P2 1 22 P2 2 23 P2 3 24 P2 4 25 P2 5 26 P2 6 27 P2 7 28 RD 17 WR 16 PSEN 29 ALE P 30 TXD 11 RXD 10 D1000 80C52 RC 14 CX 15 T 12 ...

Страница 93: ...1 D C B A Title Number Revision Size Orcad A Date 30 Jan 2004 Sheet of File Cont_V24C ddb Drawn By 11 11 V2 4C 8192 Coin interface Error decsgnt2 bmp file not found SDA COIN SCL COIN GND 1 1 2 2 3 3 4 4 CN17 Picoflex PF50 5V ...

Страница 94: ...Version 1 36 02 2004 ...

Страница 95: ...Version 1 36 02 2004 6 Preventive Maintenance Contents 02 2004 Not available ...

Страница 96: ...Version 1 36 02 2004 ...

Страница 97: ...Version 1 36 02 2004 7 SIS Codes Contents Item Page A Water System 2 C Dosing System 3 D Product Delivery 3 F Cooling System 4 G Housing 4 K Control 5 L Options 5 ...

Страница 98: ...3 SIS code A25 SIS Codes Contenta Cafitesse 50 Hose connectors Part number 18334 SIS code A19 Hose 90 degrees Part number 19483 SIS code A20 Level sensor boiler Part number SIS code A22 Heating element Part number SIS code A29 Overboil safety Part number 19199 SIS code A27 Temperature sensor Part number 19158 SIS code A26 A10 Other fault in water system general A11 Handel water tank A12 Watertank ...

Страница 99: ...SIS code D11 Coffee outlet Part number SIS code D12 C10 Other fault in dosing system general C11 Empty detection C12 Dosing coil D14 Drip grid D15 Drip tray D16 Contenta pot Empty detection Part number 20892 SIS code C11 Dosing coil Part number 20892 SIS code C12 Hot water outlet Part number SIS code D13 C13 Ingredient quality C14 Expiration date C15 Dosing spout Dosing spout Part number SIS code ...

Страница 100: ...S code G14 F10 Other fault in cooling system general F11 Peltier element F12 Heat conductive paste Right cover Part number 19469 SIS code G18 F13 Temperature sensor F14 Cooling fan F15 Insulation covers Rear cover Part number 18209 SIS code G12 Top cover Part number 18213E SIS code G11 Door sealing Part number SIS code F16 Cooling fan Part number 19351 SIS code F14 F16 Door seal F17 Door locking m...

Страница 101: ...umber 19350 SIS code K19 Relay Part number 19198 SIS code K21 Operation panel PCB Part number 19163 SIS code K22 Wiring connectors Part number Various SIS code K15 K16 Side panel board K17 Power supply board K18 Fuse K19 Electronics fan K20 Service device connector K21 Relay EEPROM Part number SIS code K14 SD connector Part number SIS code K20 Reed sensor Part number SIS code K11 K22 Operation pan...

Страница 102: ...Version 1 36 02 2004 ...

Страница 103: ...Version 1 36 02 2004 8 Service Information Bulletins Contents 02 2004 Not available ...

Страница 104: ...Version 1 36 02 2004 ...

Страница 105: ...Version 1 36 02 2004 9 Modification Instructions Contents 02 2004 Not available ...

Страница 106: ...Version 1 36 02 2004 ...

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