t=XXX YY:YY:YY
Contents
1. Au A E E lt PE gt D K Dole See diagram on page 39 dd an 40 40 LV Added water solenoid valve left unit Solenoild valve left unit Connector left unit Left grinder motor capacitor Left grinder motor Connector right unit Right grinder motor capacitor Right grinder motor Boiler loading solenoid valve P12 P8 See connectors diagram on page 38 10 Added water solenoid valve right unit 11 Tea mixing solenoid valve 12 Tea solenoid valve 13 Solenoid valve right unit 14 Pump motor 15 Frame earthing 16 Line contactor 17 Main switch 18 Pump motor capacitor2. To confirm press MODE By pressing the ARROWS buttons habilitate the machine for the use of a token or credit card system optional To confirm press MODE By pressing the ARROWS buttons habilitate the machine for the requeit of the milk circuit washing cycle To confirm press MODE NU If a wash request is made by pressing the arrow keys the interval of time from the last time Milk Latte or Cappuccino were dispensed is modified XX are the hours LI l s 99 are the minutes variation with 30 minute intervals VV LILI To confirm press MODE T AA 33 By pressing the ARROWS buttons habilitate the machine for the requeit of the washing cycle Standard or American system To confirm press MODE Press the arrow keys to set the language wanted Italian English French German To confirm press MODE By pressing the ARROWS buttons to enable or disable use of dispensing unit 1 To confirm press MODE By pressing the ARROWS buttons to enable or disable use of dispensing unit 2 To confirm press MODE By pressing the ARROWS buttons enables the brening of 2 automatic dispensings of a double long coffee optional To c
3. the display shows the script INFO READING INFO READ To select the key wanted press ENTER repeatedly L Press the DOSE key wanted e g 1 espresso WAITER H NIN is the number of espresso coffees dispensed with the waiter key inserted INEO READING To see how many decaffeinated coffees have been 1 CCADDCCCM NN made press the DECA DOSE keys wanted ESPRESSO NN sia Press ENTER repeatedly to select another key LIGITEQ By pressing ENTER repeatedly at the end of all the keys i E you can view all available data When you press the DOSE key wanted e g 1 espresso TOTAL it is possible to view all the dispensings made by all the waiter keys and by the person in charge key Repeat for the DOSE keys wanted Press MODE to exit iO AC The person in charge key T and the owner key U can be used to read all machine data relative to the walter keys and the person in charge key All dispensings made with the owner key U are not counted 6 8 3 RESETTING Insert either key T or U in the cylinder Turn the key to the ON POSITION Press MODE for at least 5 seconds until the display shows the script INFO READING YN INFO READIN To select the key wanted press ENTER repeatedly D 6 Y To revert all data pertaining to that specific key back to
4. Press the ENTER key To check the grouts microswitch open the coffee grouts drawer test OK ifthe display shows LI Press the ENTER key to go to the next check For the programming key test turn the keycounter clockwise test OK if the display shows 1 Press the ENTER key to go to the next check INDIIT INPUT Press the ENTER key auxiliary test not enabled a INPLI QI IN AUX lt Press the ENTER key auxiliary test not enabled For the waiter key test insert the INDU key in the cylinder test OK if the display shows Press the ENTER key to go to the next check Effect the waiter A test by ru Di rus ru LI means of LH e LH 3 CH H To exit oe press MODE a few times until the script PLEASE SELELTI in seen To move on to WIAGNUSTICS press MODE Press the ENTER key Functionality test of the dispensing unit 1 motor piston Press the ARROW keys to check correct motor operation Press the ENTER key to go to the next check Functionality test of the dispensing unit 2 motor piston Press the ARROW keys to check correct motor operation Press the ENTER key to go to the next check Using the ENTER and ARROW keys carry out the functionality tests on the following componen
5. s LHITER H zero press the arrow down botton for at least 5 seconds Y until REV TU ZERU r is shown on the display By pressing ENTER again you can repeat the operation lt for the other keys i By pressing ENTER repeatedly at the end of all the keys it is possible to view all the data To reset the data of all the keys keep the DOWN ARROW pressed for at least 5 seconds Press MODE to exit 7 MACHINE CONFIGURATION 7 1 PREPARING the MACHINE Turn the machine off with the main switch Remove the front base of the body and the front panel protecting the electronic cards Pull the LOGIC card out Put switch 1 to position ON e Put the LOGIC card back in place 6 Putthe front protection panel back f Switch the machine on and start it with the main switch and the ENTER key 8 Modify the machine s configuration parameters as explained in par 7 2 on the next page ON Switch the machine off and after removing the front protection 4 put the logic card switch back to the OFF position 10 Plug the electronic card in again put the protection and front body base back 11 Start the machine again via the main switch and the start key 7 2 MACHINE CONFIGURATION After carrying ont all operations as shown under paragraph 7 1 press ENTER I By pressing the ARROWS buttons habilitate the machine for the use of waiter keys manager and owner keys NO Y YES
6. 8 9 bar If necessary calibrate pressure by means of the by pass adjustment screw 1 on the pump 6 PROGRAMMING 6 1 Programming MENU o t m ju NFU DO mmm m see par 6 2 see par 6 3 see par 6 4 see par 6 5 see par 6 6 see par 6 7 see par 6 8 To enable programming turn the programming key clockwise To enter programming keep the MODE key pressed for about 4 seconds Press the MODE key ADDED WATER Progr optional Press the MODE key COFFEE MILK DOSES ETC Progr Press the MODE key CLOCK Progr Press the MODE key Test input check PUSH BUTTONS and MICROSWITCHES Press the MODE key check of the INTERNAL COMPONENTS Press the MODE key views WORK DONE optional Press the MODE key EXIT the Programming function To exit programming turn the programming key counter clockwise 6 2 Programming GRINDING IN I PREINFLIS PI ESP 6 2 1 GRINDING TIME Press the ENTER key Alter the grinding time by pressing the arrow keys NIN is the grinding time sec for one cup of espresso coffee RECOMMENDED single 2 5 double 3 5 Press ENTER to confirm and carry on p
7. J lt q O Z I O n q Z q 2 THIS MACHINE I MADE IN COMPLIANCE WITH THE REQUIREMENTS OF IHE FOLLOWING CEE DIRECTIVES 89 392 CEE 89 336 CEE 73 23 CEE INTRODUCTION The manufacturer reserves the right to make product improvements It guarantees that this manual reflects the technological state at the time the machine was sold We are open to suggestions from technicians on any way that might improve the product and the manual GENERAL WARNINGS e Once the packaging has been removed make certain the appliance is sound if you have any doubts check the fault and contact the retailer or manufacturer directly e Packaging must not be left where children can reach it as it is a potential hazard source e The appliance must be installed in compliance with the safety standards in force in the country of use e This appliance is completely safe only when it is connected to an effective earthing system that complies with the safety standards Make sure that the mains power is sufficient for the energy required for the machine e Itis unadvisable to use extension leads or electrical adaptors for multiple sockets If it is essential to use them use only single adaptors or leads that comply with the current safety standards Never exceed the capacity indicated on the adaptor or leads or the maximum power indicated on the adaptor e This appliance should only be used for what it has been designed for Any other use i
8. MOTHER BOARD connector diagram silva iii 39 11 2 HIGH VOLTAGE electrical circuit AMA e pay ale bianca det una ood uxo diis DEOR saa os 40 11 3 LOW VOLTAGE ClO eot m 41 11 4 MOTORS and SOLENOID VALVES electrical circuit ai 42 11 5 ELECTRONIC CARDS electrical CIC coria uiti hp an Masa qu iS tank elt utu uhi os RUOLI eb Seg uM tae nue Qux Ra RA ri db 43 11 6 LED electronic diagram 44 HYDRAULIC DIAGRAMS RR NT 45 12 1 General hydraulic CIAO uM Et 45 12 2 Cappuccino maker hydraulic diagram asia ir MENO MEUM MAII CENE 46 12 3 Added waler hyaraulic Cla 9020 iii 47 1 GENERAL DESCRIPTION 2 Opening for decaffeinated coffee Opening for washing tab Grinder doser hopper Opening for washing tab Machine door Programming key Steam dispensing knob oteam dispensing spout Hot water dispensing pipe O O N O Ud b C N Pressure gauge Grouts box D Coffee dispensing spout N Main switch for switching on machine Q Feet des Functions control touch pad co Touch pad panel display o Cappuccino maker ul model AK 0 9 Oe model AKC e Co 9 2 TECHNICAL SPECIFICATIONS TT o Supply voltage 230 240 400 V Total input 4100 W 18 A p L Boiler heating 2 00 W element power 12 A Boiler working ini bar pressure Pressure o
9. attention Forthe machine to work properly it must stand on a perfectly level surface Any corrections needed to level the machine can be done by adjusting the feet 5 INSTALLING and MAINTENANCE 5 1 Hydraulic connection The softener provided with the coffee maker has been designed to function with a working pressure ranging between 1 and 9 bar It must only be supplied with cold drinking water When connecting to the water mains install a cock between the machine and the mains so as to be able to interrupt the supply of water to the appliance To stop the water from freezing install the softener in a room where the temperature is higher than 0 C attention To avoid damaging the outer casing valves and cocks install the softener where it is protected against accidental knocks Before connecting the pipes remove any rubber plugs from the softener cock couplings To connect proceed as follows 1 connect the water mains 1 to the softener inlet 2 using the flexible pipe provided 2 rinse the softener resins checking that the water that is initially yellow becomes a clear colour 3 connect the softener outlet 3 to the machine 4 4 connectthe machine drainage trough 5 to the drain 6 using the specific pipe provided taking care to avoid sharp bends or throttlings and keeping it slanted enough for the waste water to drain away 5 the drain 6 must be connected to an inspectionable trap 7 that can
10. s O rings have deteriorated The injector is not properly in place The O rings have deteriorated The cappuccino maker s through hole is clogged The diameter of the cappuccino injector hole is too big The air regulator is open too far The air suction pipe is disconnected Tea water temperature is not set correctly remedy Clean the cappuccino maker with the relative brush Change the O rings Position the injector correctly Change the seals Clean the hole with the re lative brush Change the injector Calibrate the air regulator correctly Restore connection via the pipe Set tea water tempera ture appropriately with the relative knob Mot1 dc Mot Gr1 Mot1 Mot2 Mot Gr2 dc Mot Gr Mot2 Supply tranf 24VAC motors Sv3 Breather R Cap R Air R Blr RTCstm Sv2 Air R H20 Rpump Phase Com1 GndFrame Neutral Neutral Phase Phase Tel R Tel Phase Com2 R Wash2 R Gr2 R Mac2 R H20add2 T gr2 Phase Com2 R Cap Ev1 R Gr1 R Mac1 R H20add1 T gr1 o NO da AON gt o 00 00 FWD gt 0 N O O1 A Y N a 0 JO OC A CQ N gt oN O 0d A Y N A P10 P8 P7 P9 P12 p m m me m Em x p a S umm sae EEE EWU a AIGUHI AAN O 02 52 0086 O o gt 2 A ONO0 4 MO 8 T 6 5 4 3 2 1 o NOURA AON O0 GO ag N e e o o o o o o o N oon
11. ENDED max number of coffee grouts 70 Press ENTER to confirm To exit programming press MODE a few times until the DI COCE CEI EF TI script PLEASE SELELT in seen 6 2 5 COMPRESSION FORCE DOA COO m mM Pres the ENTER key L ORTH NNN Y Y is the compression force of the dispensing unit i Modify force by pressing the arrow keys i RECOMMENDED Maximum 100 Modify force by pressing the arrow keys RECOMMENDED Maximum 100 NNN Press EN TER to confirm and carry on programming the other selections To exit eee press MODE a few times until the E I script PLEASE SELELT in seen Press the MODE key to enter ADDED WATER programming Enable or disable IN the function by pressing the arrow keys Press ENTER to confirm and carry on programming the other selections To exit A cilii press MODE a few times until the E script PLEASE SELEC i in seen Added water is possible only for medium and long coffee in the single or double versions 6 4 Programming the DOSES 6 4 1 DOSES of COFFEE MILK and TEA PROGRAMMING pen n WNG ICING Press the MODE key Press the key of the dose wanted e g 1 ESPRESSO or MILK or
12. Hardware card lo DRIVER Hardware card 20 CPU Software logic 3e MOTHER BOARD Hardware card 4 o In addition the electronic system consists of Push button panel and display Actuator relays LEDs Microswitches Level probes DRIVER CARD POWER CARD MOTHER BOARD CARD CPU CARD 10 TROUBLESHOOTING 10 1 Indications on the display display cause remedy Press the key Grinding too coarse Use the relative knob on the grinder doser to make grinding finer Grinding time too long Enter grinding programming and reduce grinding time Microswitch unit faulty or connection interrupted Restore connection and or change the microswitch unit if necessary Press the key There is no coffee in the grinder doser hopper Put coffee beans in the grinder doser hopper Valve on the grinder doser is closed Open the valve on the grinder doser hopper The coffee chute is clogged Remove the coffee chute and remove fat residuals with hot water or change the coffee chute The piston is locked in the high position either because there is a lot of dirt or because the return spring is faulty Remove the unit remove the piston clean and change the faulty parts springs gaskets pipes display PRESSION SUFFICIENT The gear motor has broken 1
13. QD y we T A V O Carry out checks and maintenance periodically to keep the machine 100 efficient S Aa We recommend changing the following components after every 100 000 CN cycles O Coffee chute Brush O ring Top filter Gasket Bottom filter Diffuser Connection pipes CN Gh GO A L NY 8 6 Checking pressure This is used to turn the heating elements on or off according to the pressure reached inside the boiler Regulation pressure can vary from a minumum of 0 5 bar to a maximum of 1 4 bar attention The contacts inside the machine are subject to oxidation We recommend cleaning them regularly with an antioxidant spray Calibrate the pressure switch while the machine is working regulating pressure with the relative screw on the component 1 8 7 Anti flooding device If any water leaks from the machine due to a malfunction etc thanks to the cover installed on the pressure limiting device this water can be collected and sent to the drainage tray through the relative pipe 8 8 Valves unit Valves are devices the function of which is to guarantee safety and correct operation of the machine Pressure limiting valve safety valve The pressure limiting valve guarantees that the pressure inside the boiler does not exceed 2 bar If this valv
14. RROW DOWN button for at least 5 seconds To confirm press MODE To configurate the number of buttons Standard or American press the ARROWS button To confirm press MODE To confirm the entire configuration press simultaneously the buttons ENTER MODE Turn the machine off and set the switch to the OFF position as ahown in paragraph 7 1 8 MACHINE COMPONENTS DI a Q 8 1 Boiler The boiler is made to copper plate inside which the heat exchangers and the d electric heating element 1 are housed The heating element heats the water in the boiler Water to make coffee is taken from the heat exchanger while it is taken from CA the boiler if hot water is wanted Steam is taken from the top of the boiler e dh ES 2 NU 9 LO FP Q 8 2 Heat exchanger 9 U DAS z SF 7g S The heat exchangers 2 make it possible to heat the water up to an ideal ay Y temperature for a perfect cup of espresso coffee The heat exchanger s function is to produce an exchange of thermal energy between the water inside it and the water inside the boiler SN This component cannot be replaced e TS y 8 3 Automatic Water Inlet The AEA system automatic water inlet is used to control boiler level It consists of e aworking level probe 3 2 lt e aminimum safety level probe 2 e anelectronic level regulator in the
15. TEA and wait for it to be dispensed Confirm the dose by pressing the DOSE key again and carry on programming the other doses To exit perO pS MODE a few times until the E script PLEASE SELELTI in seen When programming the doses the selection LED flashes In the case of ADDED WATER function enabled you have to confirm the dose of water by pressing the dose key again 6 4 2 DOSES of CAPPUCCINO and LATTE Press the CAPPUCCINO or LATTE key and wait for the milk to be dispensed To confirm the dose of milk press the CAPPUCCINO or LATTE key again and wait for the coffee to be dispensed Confirm the dose of coffee by pressing the CAPPUCCINO or LATTE key again To exit programming press MODE a few times until the Dr Cl ESTI script PLEASE SELELTI in seen When programming the doses the selection LEDS flash Programming cannot be modifed for the decaffeinated continuous dispensing and washing functions 6 5 Programming the CLOCK Press the ENTER key COD Press the arrow keys to change the YEAR settings aun EA 1 2001 2 2002 3 2003 Y PONTH XX Press the arrow keys to change the MONTH settings Y L may XX Press the arrow keys to change the DAY settings mn and confirm with ENTER Press the arrow keys to change the WEEKDAY settings and confirm with ENTER IDURS XX Press the arrow keys to change the HOUR s
16. TION LEDS MOT1 Motor unit 1 MOT1 Motor unit 1 MOT2 Motor unit 2 MOT2 Motor unit 2 z 24V 24V voltage TGR1 Heating element unit 1 E oc x TGR2 Heating element unit 2 VOLTAGE LEDS VAL Supply voltage S 24 d 12V 12 voltage m LBV 5V voltage 38 Xy Under normal working conditions Y the LEDs with asterisks must UU t always be on x le O gt Q A O r t D Y O 0 C Xx Y O 7 IT IT 5 2 10 o oS O O O A A 12 12 1 O ON O Ud a WO N k a ad N a O HYDRAULIC DIAGRAMS General hydraulic diagram Steam cock Distributor SCNR valve Tea mixing solenoid valve Boiler loading solenoid valve Gauge Right volumetric flowmeter Injection tube right unit Recirculation tube right unit Left volumetric flowmeter Injection tube left unit Recirculation tube left unit Gigleur Y 0 8 unit Filter O ring unit cap Unit cap Boiler drain cock Tea solenoid valve Water outlet Water inlet cock Milk suction tube solenoid valve Drainpipe Water inlet pipe 12 2 Cappuccino maker hydraulic diagram El LN l Wi Lf 0 N O O ai C N Check valve Cappuccino ma
17. The rest microswitch is faulty or the connection is interrupted 2 Restore connection and or change the rest microswitch if necessary Position of the rest microswitch cam incorrect Enter machine programming and with the test input position the rest cam properly The motor transformer protection fuse has blown The rest microswitch is either faulty or the connection is interrupted No water in the mains Restore the connection and or change the rest microswitch Check whether or not there is water in the mains Softener cock closed Open all the cocks upstream from the machine Pump filter clogged Change the pump filter Loading solenoid valve filter clogged Change the solenoid valve filter display Fil li LIV LIN cause Loading solenoid valve faulty or the connection is interrupted remedy Restore connection and or change the loading solenoid valve if necessary Boiler level probe short circuited to earth Press the key Change the level probe Boiler level safety probe disconnected Dispensing unit temperature is too high Boiler temperature sensor PTC is either faulty or the connection is interrupted Restore connection and or change the safety probe if necessary Change the unit tempe rature sensor PTC Restore connection and or change the temperature sensor if necessary Unit tem
18. amp OO N NUR O10 Y 00 ce 100 GKM A O On R GKM KMD G NOUA OO O P24 P22 P17 P20 P19 P16 Supply jumper coin recogniser Expansion for coin recogniser Gnd Mcass grouts M Infusion G1 M limit switch G1 M limit switch G2 M rest G1 M rest G2 M Infusion G2 on O dl A WO N Keys lines com Waiters 8 key line keys 4 key line 2 key line 1 key line on O dl A WO N a Flat 50 pin push button panel and display connection NTCgru1 NTCgru1 NTCgru2 NTCgru2 NTCaux2 NTCaux2 NTCaux1 NTCaux1 GO JO dl A WO N a Val Dose Fan1 Gnd counter Gr1 e Val Fan2 Gnd Gnd Milk probe Gnd Safety probe Gnd Level probe Gnd NTCBIr NTCBIr Gnd Dose counter Gr2 Oo oc Aa co N B NBN HMHN HENHNHHNH HENHEHEHEHEHN Oo 11 2 High voltage electrical circuit 13 pr Fic See connectors diagram on p 38 1 pg E P12 D pg See diagram on page 41 eb 00000 a 00000 1 Pressure switch 9 Connectors for unit cover safety mi
19. be cleaned regularly to prevent the reflux of bad smells attention When plumbing the coffee maker do not use iron or galvanised iron fittings because with the passing of time these materials can produce dangerous oxidations and seriously damage the machine 5 2 Maintenance and cleaning To make it easier to service and clean the inside of the machine you can remove the various parts of the external casing From the front in particular you can access the inside of the machine by opening the doors that cover the unit and push button panel 5 3 Electrical connection e Connect the cable leading from the machine to the electricity mains Um e Installacircutbreaker 1 fe T THREE PHASE 400V NEUTRAL S NE EARTH attention Effect the electrical connections with the mains voltage C IN T disconnected N BL N Ej GV LMA 00 SINGLE PHASE 230V g NE N D EARTH 2 2 C jT NEY N BL E ov v FI MA R THREE PHASE 230 SLNE EARTH j 3 C NEA T iN BL_ MA Brown F Electricity mains GV 2 Ne Black R S T Phase BL Blue D Phase GV Yellow Green N Neutral C Machine cable L Earth 5 4 Switching the machine on and adjusting the pump owitch the machine on as explained in the user manual Effect several automatic washing cycles and check the correct working pressure on the gauge
20. croswitches 2 Boiler heating element 10 Frame earthing 3 Steam solenoid valve for cap suction EV1 11 Contactor 4 Air solenoid valve EV2 12 Main switch for starting the machine 5 Decompression solenoid valve breather EV3 13 24 Vac motor supply 6 Transformer on high voltage side 14 Power cable 7 Transformer on low voltage side 15 Connection to the electricity mains 8 Fuse 11 3 Low voltage electrical circuit N C Li S ES P24 P10 P16 P19 P20 See connectors diagram on page 38 1 Rest microswitch 8 Unit connector 2 Infusion microswitch 9 Boiler sensor 3 Limit microswitch 10 Normal level probe 4 Gear motor 11 Safety level probe minimum 5 Unit sensor 12 Grouts drawer microswitch 6 Unit heating element 13 Frame earthing 7 Volumetric flowmeter 11 4 Electrical circuit of motors and solenoid valves O ON O Ud a WO N
21. e fails the valve s capacity is such as to be able to discharge all excess pressure from the boiler Check valve It consists of an expansion and a check valve e expansion valve the cold water sent to the pump in the heat exchangers gets hot This heating causes an increase in the volume of water To limit pressure rises in the hydraulic circuit the valve limits the maximum pressure inside the circuit to 12 bar e check valve its job is to avoid water flowing back from the exchangers to the hydraulic circuit Antidepression valve The job of the antidepression valve is to avoid the recall of liquids through the steam spout while they are heating up It also eliminates the air inside the boiler when the machine is warming up 8 9 Pump system This component has the job of feeding the machine raising water S pressure to 8 9 bar for dispensing coffee and filling up the boiler automatically G y yA 8 10 Cappuccino maker 1 Milk suction solenoid valve 2 Milk pipes emptying solenoid valve breather 6 3 Distributor 4 Coffee dispensing spout 5 Check valve regulator protection 6 Cappuccino maker 7 Air regulator adjusts milk froth 8 Milk frothing solenoid valve ELECTRONIC SYSTEM 9 The machine s electronic system has the following elettronic cards POWER
22. e total number of COFFEES dispensed NNN is the total number of DECAFFEINATED coffees dispensed NINN is the total number of TEAS dispensed NINN is the total number of CAPPUCCINOS dispensed NINN is the total number of MILKS dispensed NINN is the total number of LATTE dispensed To exit oa press MODE a few times until the I Cl ESTI script PLEASE SELELT in seen To proceed with the configuration of the machine press MODE 7 5 CONFIGURATION OF THE SERVICING WARNING CONFIGURATION SERVILE AI In ror ES L ILLL I sigle REY v URRTHON NAA CONFIGURATION 5 TAND ARO BOTTONS attenzione To confirm the entire configuration press L simultaneously the buttons ENTER MODE To configurate the servicing warning press the ARROWS buttons To confirm press MODE By means of the ARROWS button it is possible to set the total number of cycles of group 1 and group 2 NN NNI is variable from 50 000 to 250 000 To confirm press MODE To revert to zero the number of cycles carried out by group 1 since the last servicing of the machine press the ARROW DOWN button for at least 5 seconds To confirm press MODE To revert to zero the number of cycles carried out by group 1 since the last servicing of the machine press the A
23. ed Pump and motor not aligned The gasket or the O ring of the limiter valve or of the filter has deteriorated The joint or the coupling screw or the V clamp has come loose Obstruction even partial of the pump inlet The hexagon nut of either the limiting valve or of the filter has come loose remedy Start the machine as described in the user manual Check the mains switch Check connection to the electricity mains Change the heating element Clean the contacts of the pressure switch or change it Rearm the heating element protection Clean the spray s spout Check the position of the level probe and change it if necessary Check the drainage system Check the drainpipe Restore watertightness by changing the pipe gasket or fitting Change the top gaskets Change the bottom gaskets Change the fitting and or pipe Check the pump Tighten the fittings Tighten the fittings Change the gasket taking care not to alter limiting valve calibration Realign pump and motor Change the pump Align and tighten Clean or change the inlet filter Tighten the hexagon nut problem THE PUMP IS WORKING BELOW ITS NOMINAL CAPACITY THE MOTOR PUMP STOPS SUDDENLY OR THE THERMAL PROTECTION TRIGGERS DUE TOAN OVERLOAD THE GAUGE SHOWSA NON CONFORMING PRESSURE THE DISPLAY FAILS TO SIGNAL THERE IS NO COFFEE THE CAPPUCCINO MAKER IS NOT TAKING UP MILK cause Pump inlet is clogged even only partially The
24. electronic control unit e ahydraulic circuit with a solenoid valve 1 controlled by the control unit O IN LOS DIAN 3 The level probes act as a pole in the low voltage electrical circuit when the level of the water drops the circuit interrupts itself and the electronic control unit sends an impulse to the AEA s solenoid valve 1 and to the motor pump which sees to the automatic filling up with water keeping the level in the boiler constant 8 4 Volumetric doser The volumetric doser 5 measures the quantity of water sent to the unit for making espresso coffee It consists of a Hall effect type turbine 6 which by turning generates an electric impulse that is sent to the electronic control unit This impulse is read by the control unit and stored during dose programming Each flash of the LED 4 on the volumetric doser indicates that the doser is working properly 8 5 Dispensing unit The dispensing unit OT group is the heart of the coffee maker It has a _ piston that presses the coffee for infusion and a movable arm that acts as the O stopper The piston and stopper are controlled by a D C motor WA The mechanical wear of some components over time alters the operating conditions of the internal parts modifying the machine s original settings To avoid this happening there are some adjustment cams on the microswitches that ensure perfect operation all the time e
25. ettings aree Ao and confirm with ENTER Press the arrow keys to change the MINUTES settings and confirm with ENTER Press the arrow keys to change the SECONDS settings and confirm with ENTER To exit programming press MODE a few times until the 400 COCE CEI EFC TI script PLEASE SELELTI in seen Press the MODE key to enter TEST INPUT programming 6 6 TEST INPUT 6 6 1 PUSH BUTTON PANEL functionality Press the ENTER key Press the 1 ESPRESSO key test OK if display shows Press ENTER to go to the next check Likewise check all the other buttons of the touch pad for group 1 and group 2 Y lt 6 6 2 MICROSWITCH functionality Press the ENTER key Click the lever of the rest microswitch 1 test OK if the value on the display changes from Ito U Y Press the ENTER key to go to 2 the next check 3 P Disconnect the micro switch unit cable c 2 and connect it to the central contact D of the micro test OK if the value on the N display changes from Uto 1 TRI a Es Q Press the ENTER key to go to O the next check Disconnect the limit switch micro cable 3 and connect it to the central contact of the micro test OK if the value on the display changes from U to Proceed in the same way to check dispensing unit 2
26. f 0 5 bar water supplied Pressure of l Grinder doser 350W x2 motor power 1 5 A Pump motor 260 W power 1 2 A Unit heating 150 W x2 element power 0 8 A Transformer supply 100 W power 0 5 A Solenoid valves control 100 W units power 0 5 A 3 DESCRIPTION OF THE INTERNAL 3 a Safety valve 2 bar calibration COMPONENTS Left dispensing unit Left grinder doser Right grinder doser Right dispensing unit Pressure gauge Motor pump 1 2 3 4 5 Volumetric doser 6 7 8 Drainage trough 9 Electronic control boards 10 Main switch 11 Boiler 12 Boiler heating element 13 Pressure switch 4 PREPARING THE MACHINE 4 1 Unpacking Proceed as follows to unpack the machine correctly 1 Cutthe straps around the packaging 2 Pull the box off upwards 3 Position the machine on the worktop We recommend keeping the packaging until the guarantee period has expired 4 2 Preparing the grinder dosers Fit the coffee hoppers in place on the two grinder dosers 4 3 Positioning the machine There must be plenty of room for the appliance and for using it correctly Prepare the place where the machine is to stand which must be able to hold support its weight It is important that all the terminals of the connections to the electricity mains and to the water mains are easy to reach and in the immediate vicinity of the machine
27. ircui 11 5 Electronic boards electrical c dD NS gt are SOF ZZ SES e ES lt gt lt gt X lt Tr XO QR ST QL RES SS Se OS D 2 2 SG eS SS lt gt S SS SxS S x QS x LS a Aa AAA j Os aa SRR OR SS RRE amp SR RS E AS ERK RN Nr OS SEI IS RSS ROSSO OR O SS IO III 1 Display connecting cable 9 Right push button panel 2 Right push button panel connecting cable 10 Left push button panel 11 Mother Board card 12 CPU card 3 Left push button panel connecting cable 4 Programming keys unit 5 Push button panel display 13 DRIVER card 6 P C for right push button panel 14 Power supply card 7 P C for cappuccino push button panel 15 Connection to the right push button panel 8 Right push button panel cappuccino 11 6 LED electronic diagram COMMAND EXECUTIONS VOLTAGE LEDS LEDS LEDS COLOUR LEDS R X Red DL1 Q RESET DL3 MOT V Green VAL G o Y MOTG1 DLA 6 MOT2 Yellow 12V DL3 G MOTG1 os won 5V DL3 O MOTG2 DL6 G MOT1 pee ONAN DL3 G MOTG2 DL7 E 24V RESET Machine on DLs Fan ou mr MOTG1 Motor unit 1 DL3 FAN 2 MOTG1 Motor unit 1 MOTG2 Motor unit 2 MOTG2 Motor unit 2 VENT1 Volumetric control gruppo 1 VENT2 Volumetric control gruppo 2 pis o RA EXECU
28. ker Coffee spout Breather solenoid valve Suction solenoid valve for cappuccino maker Air solenoid valve Air regulator Distributor 12 3 Added water hydraulic diagram 1 Distributor 2 Added water solenoid valve 3 Unit solenoid valve 4 Coffee spout C M A S p a Via dei Colli 66 31058 SUSEGANA TV ITALY Tel 0438 6615 Fax 0438 60657 INTERNET www cmaspa com E MAIL cma cmaspa com Cod 02000133 Rev 01 06 2001
29. mm m nnn Rm nn nn ne nnn nn nne nn nenne ns ne nn ese na ase en aan nd 9 i NICO e sesesiiess ere E E E E EE 9 O MINING lai iena de 9 93 3 ie PRE 10 5 4 Switching the machine on and adjusting the pump iii 10 PROGRAMMING oa iaia iii e a 11 Gil TOOT A MENU NERO Rt 11 62 GRINDING 0 MI TNNT Emm 12 OF ADDED WATER programining NE EE 14 04 COFFEE MILK TEA DOSES programming session ia 15 6 59 CLOCK doce uu cm nare areri ar Ar REEE AE A RE ERE EEDE E EEPE EREI EEES 16 60 Canyngoul CNF TEST rcm 17 6 7 Checking COMPONENT functionality iii tie cc 18 0 0 QST A A 20 CONFIGURATION E 22 LT Prepaid Nhe MACONDO titi 22 T2 CONIA Me Machine Tm 23 7 3 Machine SIGNALS and WARNINGS 25 74 Machin CYCLE COUNUNG rta idos ld cl 26 7 5 Configuration OF the servicing waming sorna e aio iaa dai ciao 27 oko re r COM QAO T 27 MACHINE COMPONENTS sacada ao aid aos 28 A e 5 III E T E AE A AE A E AT 28 02 ARI 28 o AUTOM Walor sila 28 0 4 VOIDRIGHO COS EP MTNEKT u 28 0 5 DISPERSO UNI ansi pe reato a OA AA 29 30 ee do DRESS IERI 30 Of GANGI 30 TE HT 30 09 SA 31 8 10 Cappuccino makef ota anita det 31 ELECTRONIG To TEN aa id r ences E E EA E E Ec MEE 32 TROUBLESHOOTING Licei d 10 1 Indications on the display ic ia eni sa 10 2 Functional failures and problems E m 36 WIRINS DIAG RANG alia 39 11 1
30. onfirm press MODE By pressing the ARROWS buttons enables the brening of 2 automatic dispensings of a double long coffee To confirm press MODE By pressing the ARROWS buttons it enables loading of the machine configuration default values To confirm the entire configuration press simultaneously the buttons ENTER MODE attention To confirm the entire configuration press L simultaneously the buttons ENTER MODE 7 3 MACHINE SIGNALS and WARNINGS Press the ENTER key hi is the number of signals UL To reset keep the down arrow pressed for at least 5 seconds command applicable for them all To visualize the other information press ENTER To revert to zero press the ARROW DOWN button for at least 5 seconds POP m Dz Press the MODE key to exit 7 4 MACHINE CYCLE COUNTING CLES DECAF DH NNN LC C CINE GS c NNN LUFFEE DHT Press the ENTER key NINN is the total number of coffees dispensed To reset keep the down arrow pressed for at least 5 seconds To visualize the other information press ENTER To revert to zero press the ARROW DOWN button for at least 5 seconds NINN is th
31. perature sensor PTC is either faulty or the connection is interrupted Press the key Restore connection and or change the temperature sensor if necessary A Wiring interrupted Restore connection Press the key 10 2 Failures and functional problems problem THE MACHINE DOES NOT TURN ON NO STEAM IS COMING FROM THE STEAM SPOUT AMIXTURE OF STEAMAND WATER IS COMING FROM THE STEAM SPOUT WATER IS LEAKING FROM THE MACHINE WATER IS LEAKING FROM THE TOP OF THE DISPENSING UNIT WATER IS LEAKING FROM THE BOTTOM OF THE DISPENSING UNIT WATER IS LEAKING FROM THEINTERNAL PUMP THE PUMP IS MAKING A LOT OF NOISE cause Machine switch on O Mains switch on OFF Mains connection does not conform Faulty heating element Pressure switch contacts rusted Heating element protection triggered The spray is clogged Boiler water level is too high because the boiler level probe is wrongly positioned or there is limescale on it The drain is clogged Drainpipe broken or has come away Water leaking from fittings or from the pipes of the internal hydraulic circuit Top gaskets deteriorated Bottom gaskets deteriorated Fitting and or pipe deteriorated No mechanical seal of the shaft or O ring Fittings have loosened The hexagon nut of the limiter valve or of the filter has come loose The gasket or the O ring of the limiting valve or of the filter has deteriorat
32. pump is turning in the wrong direction Limiter valve calibration does not conform Pump damaged inside due to penetration of abrasive materials Motor revs are low The pump jams due to limescale and mineral deposits inside Pump and motor are not aligned The motor is faulty Wrong motor supply voltage The gauge is faulty The pressure switch is incorrectly calibrated The motor pump is incorrectly calibrated The limit microswitch is faulty or the connection is interrupted No steam pressure O Milk injector clogged Cappuccino make body clogged Milk suction pipe clogged Injector O rings deteriorated remedy Clean or change the filter Check the motor Recalibrate the limiter valve Change the pump Check supply voltage or change the motor Change the pump Align pump and motor Change the motor Check the motor s correct supply voltage Change the gauge Recalibrate the pressure switch Recalibrate the motor pump Restore connection and change the limit microswitch if necessary Wait for the machine to get back up to pressure Clean the milk injector Clean the cappuccino maker body Clean the milk suction pipe Change the O rings problem MILK IS BEING DISPENSED IN STOPS AND STARTS THEMILKIS TOO COLD THEMILKIS TOO HOT THERE ARE BUBBLES ON THE MILK FROTH WATER FOR TEAIS EITHER TOO COLD OR TOO HOT 1 2 cause Cappuccino maker clogged The cappuccino maker
33. rogramming the other selections To exit RAI press MODE a few times until the DI I CDG script PLEASE SELELTI in seen 6 2 2 PREINFUSION TIME E IT 6i I DI IN Lii i OGRANA NN Press the ENTER key Alter the preinfusion time by pressing the arrow keys NIN is the preinfusion time sec for one cup of espresso coffee RECOMMENDED maximum time 2 0 Press ENTER to confirm and carry on programming the other selections To exit ee jin MODE a few times until the E I script PLEASE SELELTI in seen 6 2 3 TEMPERATURE of the DISPENSING UNITS NG nn PROGRAM Re NN PROGRATITING N GROUNDS NN Y PROUGRATTING N GROUND NN Press the ENTER key Change the temperature by pressing the arrow keys NN is the temperature C of the dispensing unit RECOMMENDED Minimum 80 C Maximum 90 C Press ENTER to confirm and carry on programming unit 2 Change the temperature by pressing the arrow keys Press ENTER to confirm To exit programming press MODE a few times until the 4 DI COCE CEINT script PLEASE SELELTI in seen 6 2 4 NUMBER of COFFEE GROUTS in the DRAWER Press the ENTER key Alter the number of grouts pressing the arrow keys NN indicates the number of grants spent coffee tabs in the drawer which vary by intervals of 10 RECOMM
34. s considered improper and consequently dangerous The manufacturer cannot be held responsible for any damages caused due to an erroneous or irrational use The technician must remind the user about the safety standards to ensure correct operation of the appliance e The use ofan electrical appliance must be subject to the safety standards e Ifthe customer decides he is not going to use the appliance for a long time he must disconnect the power cable from the mains and empty it the water contained therein e To guarantee that the coffee maker works properly and efficiently it is essential to follow the manufacturer s instructions carrying out periodical maintenance and a check of all the safety devices e Always make sure that hands or other parts of the body never come within the range of the coffee dispensing spouts or those of steam and hot water since these can scald e The repair technician must inform the retailer or manufacturer promptly of any problems when installing or using the appliance Pep T 8 11 12 Summary GENERAL DESC joe E 6 TEGRNICALSPEGIFIATIONS ironico itinere tram bxc alii uta cadi deleitando T DESCRIPTION OF THE INTERNAL COMPONENTS 2r ci keeten enren rerne rraren erenn tents T PREFARING THE MACHINE dialer roi irc 8 A PE A 8 4 2 Preparing the grinder dosers iii 8 43 Foslianing Ne MAC 8 INSTALLAING AND MAINTENANCE ssssse RR H
35. ts Grinder doser of the dispensing unit 1 and 2 Pump functionality Solenoid valve of the dispensing unit 1 and 2 Solenoid valve for filling the boiler with water Steam solenoid valve if it exists Heating element relay of the dispensing unit 1 and 2 after removing the front base panel and the electronics protection verify on the electronic board if the LED is off cfr paragrap 11 6 of the wiring diagrams Water relay Repeat the same steps for the following auxiliary systems if they are enabled Cappuccino maker steam suction solenoid valve Cappuccino maker air solenoid valve Cappuccino maker breather solenoid valve Alarm buzzer if it exists To exit programming press MODE a few times until the 4 DI COCE ccorerTi script PLEASE SELECT in seen 6 8 INFO READING optional O 6 8 1 Viewing WAITER KEY data Enter the waiter key e g waiter A Press the DOSE key wanted e g 1 espresso RERDI NIN is the number of espresso coffees dispensed with that waiter key INFO READING Repeat for the DOSE keys wanted I ESPRESSO NN Press MODE to exit Reading is allowed only of the data relative to the waiter key inserted A B D E H K L M N P Q R S 6 8 2 Viewing data with the PERSON IN CHARGE KEY T and with the OWNER KEY U ia Insert either key T or U in the cylinder Do not turn the key with the position OFF Press MODE for at least 5 seconds until
Download Pdf Manuals
Related Search