Duale Class - Coffee machine La San Marco - Free user manual and instructions

USER MANUAL Duale Class La San Marco

5.5 Automatic operation - programming the coffee brewing cycles .............pag. 28

Before using the machine, carefully read all of the instructions contained in this machine.

1.1 Using the manual

This manual contains all information required for the installation, use and maintenance of the cof- fee machine. This manual is an integral part of the machine; always keep it intact together with the appliance.

MANDATORY REQUIREMENTS: the operation of the lever for coffee brewing, it is extreme- ly dangerous. In order to avoid the risk of harm to the operator is absolutely necessary, before driving the lever for any reason, make sure that:

1. the lter holder cup is completely lled with the right amount of coffee,

2. the cup is safely and properly coupled to the coffee brewing unit and

3. the coffee machine is regularly and properly connected to the network‘s national water, with the

water shutoff valve fully open. It ‘still strict obligatory for the user of the lever machine keeping the body at a minimum distance of 30 cm from the range of lever’s action when the lever is operating, as well as shown in Figure A. The manufacturer declines all responsibilities for any damage occurring to persons and / or prop- erty due to negligent behaviour by the user that does not comply with the mandatory require- ments contained in this manual. Should the cup not properly couple the group brewing unit , is strictly forbidden to continue to use the machine in such conditions and it is imperative to contact your nearest authorized service center or the manufacturer, La San Marco SpA.

• Do not operate the machine or carry out routine maintenance before reading this manual.

• Thismachineisdesignedandbuiltforservingespressocoffee,hotwater(forthepreparationof beveragesandinfusions)andsteam(usedtoheatliquids).Theuseofthemachineforanyother than its intended purposes is considered to be improper and unauthorized. The manufacturer declinesanyliabilityfordamageresultingfromtheimproperuseofthemachine.

• This machine must be installed only in places where its use and its maintenance are made by trained personnel.

• Thedevicemustbeconnectedtothelocalwatermainsusingaflexiblepipefittingincompliance withnationalstandards,iftheseareapplicable.Furthermore,theequipmentmustbeinstalledwith suitable“refluxprotection”inordertocomplywiththeapplicablenationalandlocalregulations.22 English

• The user must be a responsible adult, who is expected to comply with local safety rules and acceptedcommonsenseprocedures.Foraproperandsafeuseofthemachine,theoperatormust alwayscomplywithapplicableaccidentpreventionandotherworksafetyandhealthregulations.

• Thisapplianceisnotdesignedforusebypersons(includingchildren)withlimitedphysical,sensory ormentalabilities,orlackinginexperienceandknowledge,unlesstheyarecontrolledandtaught tousetheappliancebyapersonresponsiblefortheirsafety.Childrenmustbesupervisedtomake sure they do not play with the appliance.

• Theuseoftheapplianceandtheroutinemaintenanceandcleaningoperationsmayonlybecarried outbyauthorizedpersonnel,undertheresponsibilityoftheclient.

• Themachinemustneverbeswitchedonbeforeconnectingittothewatersupply.Theusermust makesurethatthewatersupplyvalveremainsopenwhenthemachineisswitchedon.Placeonly empty cups in the cup holding shelf.

• Themachineinoperationmustneverbecovered,astheremustbeaproperaircirculationaround it.

• The safety devices must always be in a perfectly efficient state, as regularly maintained by the authorizedLaSanMarcoservicepersonnel.

• Forbetterproductquality,replacethehotwaterintheboilerandcirculatethewaterinthepipes uponfirstturningthemachineoninthemorning.Ifthemachineisexpectedtoremainidleforafew hoursduringtheday,wealsorecommendchangingthewaterbyrunningitthroughthehotwater tapandthecoffeeservingunits.

• Strictcompliancewiththeroutinemaintenanceinstructionsofthismanualisrequiredforasafeand efficient operation of the appliance.

• Incaseofmalfunctionsorfailureofanymachinecomponent,contacttheauthorizedservicecentre andrequestoriginalLaSanMarcospareparts.Theuseofanyotherthanoriginalsparepartsvoids the conformity certifications and the warranty that accompany the machine.

• Anychanges carried out on the machine and/or failure to carryout the scheduled maintenance willreleasetheManufacturerfromanyliabilityforanyresultingdamagesandvoidstheconformity declaration and the warranty.

• Unauthorisedoperationsoroperationswhosemethodsofexecutionarenotexactlyclearorunau- thorised interventions on the machine are strictly prohibited; contact the manufacturer for any information, spare parts or accessories that you may need.

• Shouldtheappliancebemovedoutdoorsortopremiseswherethetemperaturemightdropbelow 0°C,itisvitalthattheexchangerscircuitbeemptied,cuttingoffthewatersupplytotheappliance and draining all water from the units until they only emit steam. Omitting to perform this procedure couldleadtotheexchangersbreaking,duetothewaterinsidethemfreezing.

1.3 Starting the coffee machine

Ambient temperature: 5 ÷ 45°C (drain the water system in case of frost) Water pressure: 80 ÷ 900 kPa (0.8 ÷ 9.0 bar) Water hardness: less than 5 °f Noise level emitted by the machine: The weighted sound pressure level A is below 70 db(A), under normal conditions of use of the machine.

2. Technical characteristics

DUALE CLASS COFFEE SERVING UNITSCOFFEE SERVING UNITSDTC (OPTIONAL)COFFEE SERVING UNITS LEVERSTEAM WANDSHOT WATER WANDSBOILER CAPACITY (L)WEIGHT (KG)HEIGHT (CM)WIDTH (CM)DEPTH (CM)INSTALLED POWER (W)BOILER HEATING ELEMENTEXTERNALMOTOR-PUMPCUP HEATER (OPTIONAL)MONO-PHASETREE-PHASE DUALE 2 1 1 1 2 1 14 69 78 80 53 3500/4500 300 100 DUALE 3 2 2 1 2 1 20 74 97 80 53 5500 / 7000 300 125 OPTIONAL: WATER SOFTENER; MILK FROTHER; AUTOSTEAM ; THROTTLE STEAM; LED LIGHT WORKING SURFACE SYSTEM.

3. Description of the machine

3.1 Diagram of water feed system

4. Espresso dispensing unit with lever actuation

5. Lever of tap for drawing steam

6. Lever for coffee serving

7. Hot water supply cock handle

8. Coffee dispensing unit with electronic control

9. Filter holding cup with handle

23. Push button valve with check valve

24. Automatic level tap (optional)

25. No-return and safety valve

29. Grounds collecting tray

32. Water softener feeding pipe

33. Mains water supply tap

34. Mains water supply pipe

37. Motor pump (optional – suggested on models with autoll)

a. Single short coffee supply button b. Single long coffee supply button c. Double short coffee supply button d. Double long coffee supply button e. Continuous supply button25 ENGLISH

MANDATORY REQUIREMENTS : the operation of the lever for coffee brewing , it is extremely dangerous. In order to avoid the risk of harm to the operator is abso- lutely necessary, before driving the lever for any reason, make sure that:

1. the lter holder cup is completely lled with the right amount of coffee,

2. the cup is safely and properly coupled to the coffee brewing unit and

3. the coffee machine is regularly and properly connected to the network‘s national water, with the

water shutoff valve fully open. It ‘still strict obligatory for the user of the lever machine keeping the body at a minimum distance of 30 cm from the range of lever’s action when the lever is operating, as well as shown in Figure A. The manufacturer declines all responsibilities for any damage occurring to persons and / or prop- erty due to negligent behaviour by the user that does not comply with the mandatory require- ments contained in this manual. Should the cup not properly couple the group brewing unit , is strictly forbidden to continue to use the machine in such conditions.

• Forsafetyagainsthazardsrelatedtoelectricalcurrents,keepthemachineawayfromsinks,tubs,aquari- ums, taps, and areas that are wet or where water may splash.

• Themachinecreatesheat.Thereforeitneedstobeplacedinaroomthatissufcientlyventilatedtoen- sure heat dissipation. Keep the machine away from sources of direct heat.

• Makesurethatthevoltageofthepowersocketdoesnotdifferfromthatindicatedonthetechnicaldata andontheidenticationtagonthemachine.Ifthevoltageisdifferent,donotconnectthemachine.This maybedangerousandmaydamagetheunit.

• If the voltage is found to be different, do not connect the machine as this could be dangerous and could damage the device.

4.1 Equipment provided

The machine packing contains the equipment kit, which includes the following items: – lter cups with lter restraint ring – lters for lter cups (single and double doses) – blind lter for lter cup – spouts for lter cups (single and double doses)26 English – press for ground coffee – rubber tube with stainless steel mesh for water connection (water circuit - water softener) – rubber drain hose with steel coil for water drain – 3/8” nipples for hose connection to water supply tube – cleaning brush for serving units – water lter before pump (on request) – rubber tube with stainless steel mesh of 600mm for water connection (water circuit - water softener) – rubber tube with stainless steel mesh of 1600mm for water connection (water circuit - water softener)

4.2 Water mains set-up

FEEDING LINE Bring the water feeding tube (of at least 3/8” diameter) up to the machine and install an on-off valve (preferably of 3/8” ball type) that allows a rapid opening and closing operation. The machine should be connected to the water mains using the tube supplied with it. Do not connect the machine with used tubes. DRAIN LINE Provide an inspectable drainage pit on the oor connected with the sink drainage line, suitable for receiving the machine gravity drainage tube. The drain tube must be positioned so that the water ows out freely, without possibility for the pipe to clog up during the operation.

4.3 Water softener (optional)

Thewatersoftenerforsofteningthemainswatercanbemanualorautomatic,dependingon customer’s request. Beforeconnectingthewatersoftenertothecoffeemachine,theresinscontainedinitshouldbe washedoffasdescribedintheuser’smanualsuppliedwiththeappliance. Note: Thewatersoftenerisconsideredanessentialdevicetoguaranteeaproperoperationoftheespressocoffeema- chine.Awatersofteningsystemshouldbeprovidedinordertoguaranteetheefciency,performanceandduration of the components in the machine.

4.4 Installation of water system

1) Use the pipe 32 (900 mm, provided with the machine) to connect the cut-off valve of the mains to the tap

for water inlet to the water softener (gure 1).

2) Connect pipe 36 (1600 mm, provided with the machine) to the tap of water softener with the tap of the

coffee machine water system (gura 2 – 3).

4.5 Installation of water system with motor pump (optional)

1) Use the pipe 32 (900 mm, provided with the machine) to connect the cut-off valve of the mains to the tap

for water inlet to the water softener (gure 1).

2) Connect the pipe 35 (600 mm, provided with the machine) for pump suction (see diagram of water feed

system) to the tap of the coffee machine water system (gure 3).

Connect the drainage tube to the grounds collecting tray and to the water drainage system. Figure 1 Figure 2 Figure 4

4.7 Electrical connection

• Toavoidanyoverheatingofthepowercable,unwinditcompletely. Connect the power cord to the electrical mains as shown in the attached diagram: L 3 L 2 L 1

5.1 Charging the water in the boiler

1) Check that the machine main switch 1 (gure 1) is in position 0 (zero).

2) Remove the tray and the cup support grill and make sure that:

a) The boilerdrain valve 21 is closed. b) The taps of automatic level valve 22-24 must be open.

3) Open the water supply on-off valve 33.

4) Open a steaming tap 5 to allow the exit of the air in the boiler lling phase.

5) Reinstall the tray and cup support grill in its place.

6) Press and hold down the button 10 until the sight glass 20 is ¾ full.

5.2 Heating the water in the boiler

1) Rotate the main switch to position 2.

BLUE GREY BROWNBLACKYE / GRDUALENOTE:* The power absorbed by the electric heating elements can be reduced to 2/3 by joining the BLACK wire with the GRAY one. BLUE GREY BLACKBROWNYE / GR BLUE GREY BLACKBROWNYE / GR BLUE GREY BLACKBROWNYE / GR BLUE GREY BLACKBROWNYE / GR230V MONO-PHASE* 400V-3N THREE-PHASE230V-3 THREE-PHASE3 HEATING ELEMENTS3 HEATING ELEMENTS28 English

2) Hold down a steam delivery lever 5 to allow air to escape from the system as the macchine heats up.

Release the lever as soon as steam escapes from the delivery pipe. Boiler pressure is indicated on the 0÷3 bar scale on the pressure gauge 14 (suggested value: 0.9÷1.2 bar).

5.3 Adjustment of pump serving pressure

a. Once the boiler is lled, turn the main switch to position 2 (the heating elements start to heat the water). b. Press the continuous-feeding push button 18 for the manual serving machines or the push button 10 for the electronic machines with automatic serving, so that the water ows out of the unit the corresponding to the pressed button. c. Read the water pressure value on the pressure gauge 38. The optimum pressure is 9 bar. The pressure is adjusted to the desired value by operating on the pump screw: the pressure is increased by turning clockwise; it is decreased by turning clockwise. As shown in the figure, there three different cases for adjusting this screw, depending on the pump installed on the machine: - adjust only the screw - adjust the screw and lock it with the lock nut - unscrew the cap nut an adjust the screw. PUMP sCREW

5.4 Calibration of steam pressure in boiler

a After having filled the boiler to the proper level, turn the main switch to position 2 (the heating elements will start to heat the water). b Open the lever-controlled steam valve 5 to vent the air during the heating phase. Close the valve as soon as the steam phase is reached. The steam pressure in the boiler can be read on the upper scale of the pressure gauge 18 from 0 to 3 bar. The pressure rises to the calibration value of the pressure switch 27 in the range from 0.9 to 1.1 bar. To vary the steam pressure, turn the screw 28 on the pressure switch 27. The pressure is decreased by turning the screw clockwise and it is increased by turning the screw counter clockwise. The screw is adjusted by means of a screwdriver inserted into the hole on the lid of the pressure switch. The pressure switch can be reached from the upper tray and grill.

5.5 Automatic operation - programming the coffee brewing cycles

a. Entering the programming mode Set the main switch 1 on the machine to position “zero” (machine switched off). Hold down the fth button e on the rst brewing unit. Now , rotate the main switch 1 to position 1 (machine switched on). After a few seconds, release the button e. The indicator led for the button will now begin to ash, as will the same led on all the other brewing units. The machine is now ready for programming. b. Programming To program the four portions on brewing unit I, proceed as follows: place the single-portion lter into the single-portion lter holder. Use the coffee dispenser to dispense a single portion of coffee into the lter. Mount the lter holder onto brewing unit I. Place an espresso cup under the spout on the lter holder. Press the rst button a whose portion is to be programmed. When the coffee in the cup reaches the de- sired level, press the fth button e to stop brewing. Follow the same procedure to program the other portions on each group. Once the four portions on brew- ing unit I have been programmed as desired, the relative data can be transferred to the other brewing units by pressing the fth button e on each unit. When each button e is pressed, the indicator led for the button will stop ashing and remain steadily lit. This shows that the data on brewing unit I has been transferred successfully. c.Exitingfromtheprogrammingmode After you have nished programming the machine, press the button e (with ashing led) on brewing unit I and all the leds will turn off. The programmed quantity of coffee will now be delivered when an automatic brewing button is pressed.29 ENGLISH

Led on the rst button of pushbutton array indicates a malfunction on the ow meter. A ashing Led on the second button of all the pushbutton arrays indicates a malfunction on the automatic boiler rell A ashing system (jammed solenoid valve, insufcient water from the main water system, etc.). After 1 ’30”, the pump motor will shut down. Note: If the machine shuts down as described above, call your local service technician.

• Donotusewatersprays,steamorsimilarcleaningmethods.Beforecleaningormaintenance operations,DISCONNECTTHECABLEIFPOSSIBLE;OTHERWISE,SHUTOFFTHEOMNIPO- LARMASTERSWITCHINSTALLEDAHEADOFTHEMACHINE.

• Ifpowercableisdamaged,itmustbereplacedwiththespeciallyprepared,originalequipmentreplace- ment part which conforms to safety regulations.

• Specialmaintenance,partsreplacement,long-termshutdownanddisplantingoperationsmustbeper- formedbyLASANMARCOservicepersonnel.

6. Operating instructions

1) Remove the lter-holding cup from the serving unit and ll it with a dose of ground coffee (lter cup with

one spout) or with two doses of ground coffee (lter cup with two spouts). Press the ground coffee using the relative coffee presser and then insert the lter cup into the serving unit.

2) Place one or two cups under the serving spouts.

3) Pull down the lever 6 and then let it return to its original position. The coffee will begin to ow after a short

time. To obtain a greater quantity of coffee repeat this operation. MANDATORY REQUIREMENTS: the operation of the lever for coffee brewing, it is extreme- ly dangerous. In order to avoid the risk of harm to the operator is absolutely necessary, before driving the lever for any reason, make sure that:

1. the lter holder cup is completely lled with the right amount of coffee,

2. the cup is safely and properly coupled to the coffee brewing unit and

3. the coffee machine is regularly and properly connected to the network‘s national water, with the

water shutoff valve fully open. It ‘still strict obligatory for the user of the lever machine keeping the body at a minimum distance of 30 cm from the range of lever’s action when the lever is operating, as well as shown in Figure A.30 ENGLISH The manufacturer declines all responsibilities for any damage occurring to persons and / or prop- erty due to negligent behaviour by the user that does not comply with the mandatory require- ments contained in this manual. Should the cup not properly couple the group brewing unit , is strictly forbidden to continue to use the machine in such conditions and it is imperative to contact your nearest authorized service center or the manufacturer, La San Marco SpA. Note:Makesurethatservingintothecuphastakenplacecorrectly.Ifservinghasnotoccurredcorrectly,see thechapter“PROBLEMSANDSOLUTIONS”.

6.2 Dispensing coffee with electronic units.

Make sure that the lter on the cup 13 be of the selected grammage. It is important that dosed and pressed coffee touches the shower of group 12. To check this, simply attach the cup lter holder to the group and re- move. If the coffee is at the right level must remain the imprint of the central xing screw. Once the lter holder has been installed onto the machine, press one of the ve brewing buttons. The rst two buttons are used to select the two pre-programmed single portions of coffee. The second two buttons are used to select the two pre-programmed double portions of coffee. The fth button immediately shuts down brewing if pressed during a coffee brewing cycle. This last button can also be used to brew the desired quantity of coffee manu- ally: press this button to start brewing, and press the button a second time to stop brewing when the desired quantity of coffee has been obtained.

A jet of steam, which can be used to foam milk or to heat other liquids, comes out of the steam drawing spout as follows: by raising or lowering the lever 5 you attain the maximum ow (the lever stops in the maximum position. To stop the ow of steam, place the lever back in its original position). Thesteamermustbeusedwithcare:thecontactoftheskinwiththesteamspoutorwiththejet ofsteamitselfcancauseseriousburns.Griptheanti-burnsheathtochangethepositionofthe steamdrawingspout.Neveraimthejetofsteamatpersonsoratobjectswhichdonothaveto dowiththeuseasdescribedinthismanual. Note:Beforeusingthespoutfordrawingsteam,drainoutintothetubanycondensationwhichmayhave formedinit.Afterusingthespout,cleanitproperlywithamoistcloth,andifnecessarydischargeanyresidue remaining inside it into the tray.

6.4 Drawing hot water

Hot water is drawn by the appropriate spout 11 and can be used to prepare infusions, tea, camomile tea, to heat cups, to add water to an espresso and to obtain American-style coffee, and so on. Use the hot water lever 7 to draw hot water (lower, raise or move sideways the lever).

6.5 Cup heater (optional)

The cup heater is used to increase heating of the upper cup support surface (by means of an electrical he- ating element). Use the appropriate switch to activate or de-activate the cup heater. the cup heater heating element is equipped with a working thermostat that controls the temperature of the cup support surface.

7.1 Cleaning the serving units and the lter holder

1) Using the brush, clean the seat in the unit in which the lter cup is inserted.

2) Insert the cup in the unit and, without latching it completely, drawn water by the coffee serving unit.

3) Let water overow from the lter holder. This will clean the serving group.

cleanthelter,thecupandthespouts.

7.2 Cleaning the tray and the cup support grill

The lower cup support grill must be kept clean at all times; during the normal use of the machine, it is suf- cient to clean it with a sponge or a moist cloth. At the end of the working day, clean the tray and the grill also in the internal areas using warm water and neutral detergent. Even the upper grid to hold cups must be kept clean. At the end of the day clean it with a sponge or damp cloth. Do not pour water on the upper grid.

7.3 Cleaning the steam spout

Clean the steam spout with a sponge or a moist cloth at the end of the working day to remove all traces of milk or other substances that inevitably form during the normal operation of the machine. Open the steam tap, placing the spout in the tub, to remove any residues which may have accumulated in the spout.

7.4 Substitution of boiler water

To change the water inside the boiler, proceed as follows:

1) Cut off the power supply to the machine by turning the main switch 1 to position 0 (zero).

2) Remove the tub and the cup support grille and open the boiler drain tap.

3) Open a steam drawing valve to facilitate the draining of the water until the end of the operation.

4) When water no longer comes out of the boiler, close the boiler drain and the steam drawing tap.

5) Charge the machine with water following the instructions of paragraph “Charging the water in the boiler”.

6) To improve product quality, it is recommended to replace the water in the boiler and to change the water

contained in the water circulation pipes when starting the machine every day.

If the machine is to remain idle for long periods (weekly closing days, holidays, etc.), take the following precautions:

1) Turn the main switch to 0 (zero) and as necessary disconnect the power cord or the main switch of the

2) Close the cut-off valve of the water mains.

3) If you think the temperature might drop below 5 °C, completely drain the water system of the machine.

4) Wash the components of the machine as described in the paragraph on routine maintenance.

The safety thermostat is located next to the control unit and can be accessed by removing the left side panel from the machine. The thermostat probe, placed inside the electric heating elements, cuts the electric power supply any time there is an abnormal increase in temperature. The heating elements will no longer hear the water in the boiler and it will not be possible to use the machine correctly. Contact a technician from the LA SAN MARCO SPA technical service centre.32 ENGLISH ThesafetythermostatwillhavetoberesetbythespecializedtechnicianLASANMARCOSPA,whomustrstremovethecauseofthemalfunction.

The safety valve is installed on the upper part of the boiler, in the part corresponding to the area occupied by the steam. The valve is activated if there is a considerable pressure increase inside the boiler. The valve rapidly lowers the pressure by expelling the steam in the atmosphere (the valve trips in at 1,8 bar). If the sa- fety valve trips in, the steam is held and dissipated inside the machine frame, so as to avoid hazards for the persons around the machine. Incaseofactivationofthesafetyvalve,switchoffthemachineandimmediatelycontactthe specializedtechnician.Ifthesafetyvalveissetoff,switchthemachineoffandimmediatelycon- tacttheauthorizedLaSanMarcotechnician.

10. Information for users in the european community

Pursuant to European Directive 2012/19/EU on electrical waste (WEEE), users in the Euro-pean community are advised of the following. •Thesymbolwiththecrossed-outdustbinontheapplianceoritspackagingindicatesthatattheendoftheproduct’slifecycle,itmustbecollectedseparatelyfromotherwaste.•Suitableseparate collection of the equipment for subsequent recycling, treatment anddisposalcontributestopreventingpossiblenegativeconsequencesfortheenvironmentandhealth,andfavourstherecyclingofmaterialsthattheunitismadeof.•InaccordancewithEuropeanDirective2012/19/EU,abusivedisposaloftheproductbytheuserwillresultinapplicationofpenaltiesassetforthbylocallaw.

The warranty becomes void if: • Theinstructionsinthismanualarenotcompliedwith.• Thescheduledmaintenanceandrepairsarecarriedoutbyunauthorizedpersonnel.• Themachineisusedforanyotherthanitsintendedpurposes.• Theoriginalpartsarereplacedwithpartsfromdifferentmanufacturers.• Thewarrantydoesnotcoverdamagecausedbyneglect,useandinstallationnotincompliancewiththerecommendations of this manual, improper operation, abuse, lightning and atmospheric phenomena, overvoltage, overcurrent, or insufcient or irregular power supply.

12. Declaration of conformity

The manufacturer:La San Marco S.p.A.34072 Gradisca d’Isonzo (GO) Italy – Via Padre e Figlio Venuti, 10phone [phone] – fax [phone] – http://www.lasanmarco.comdeclares under its own responsibility that the ESPRESSO COFFEE MACHINE (as identied by the data on the tag located on the machine) is complaint with the following European directives: 2006/42/EC, 2014/35/EU, 2014/30/EU, Regulation (EC) no. 1935/2004, 2012/19/EU, 2011/65/EU. For verication of compliance with said directives, the following harmonized standards have been applied: EN ISO 12100, EN 60335-1, EN 60335-2-75.AUTHORISED PERSON ACOMPILE THE TECHNICAL FILEEng. Roberto NoceraVia Padre e Figlio Venuti,1034072 Gradisca d’Isonzo - ITALYGradisca d’Isonzo, December 2016Ing. Roberto NoceraC.E.O.33 ENGLISH

1. The boiler is full of water

and the water ows out of the safety valve. The water level in the optical level is higher than the MAX.

• Closethemainwatervalveand contact a qualied service technician authorized.

• Theauthorizedqualiedtechnician must check the correct operation of the lling solenoid valve, the electronics that control the automatic level and the eventual failure of the manually valve for lling.

2. Intervenes the safety valve

by venting the steam. The gauge indicates the pressure of the boiler exceeding 1.8 bar.

• Failuretothecontrolsystemof resistance (electrical resistance is always powered).

• Failureofthesafety thermostat.

• Increasedpressureinthe boiler (intervention of the safety valve 1.8bar)

• Switchoffthemachinebyputtingthe power switch to the 0 position and contact a qualied service technician authorized.

• Theauthorizedqualiedtechnician must check the electrical wiring that feeds the resistance, the temperature control system switch and safety thermostat.

3. The machine was started

properly but the water in the boiler does not warm up.

• Theelectricheatingelementis defective or is not connected.

• Theauthorizedqualiedtechnician must check the electrical wiring that supplies the resistance. It also needs to check if the thermostat is tripped safety of the resistance and check for proper operation.

4. No dispensing water from

a dispensing unit by lever group.

• Coffeegroundtooneor excessive quantity for type of lter used.

• Thevalveofthelever dispensing unit does not open because it is not properly adjusted.

• Adjustthegrindingcoarsenessand/ or the quantity of ground coffee.

• Theauthorizedqualiedtechnician must check and verify that the valve of the unit is properly adjusted.

• Checkthatthewaterlevelishigher than the MAX.

• Theauthorizedqualiedtechnician must check and verify that the hydraulic circuit is not obstructed or there may be a pump failure.

5. No dispensing water

from one of the electronic dispensing unit.

• Coffeegroundtooneor excessive quantity for type of lter used.

• Thesolenoidvalveofa dispensing unit does not open because is broken.

• Cloggedwatercircuit.

• Adjustthegrindingcoarsenessand/ or the quantity of ground coffee.

• Checkthatthevalvesofvolumetric meters are in “open” position.

• Theauthorizedqualiedtechnician must check and verify the volumetric meters and them valves.

• Theauthorizedqualiedtechnician must check the solenoid valve of the dispensing unit, its wiring and the fuse in the electronic control unit.

• Theauthorizedqualiedtechnician must check and verify that the hydraulic circuit is not obstructed or there may be a pump failure.34 English PROBlEM CAUsE sOlUTiOn

6. The programmed servings

of espresso coffee are not constant or vary on the different dispensing units.

• Abnormaloperationofthe electronic control unit or of the ow meters.

7. It is not possible to

program the dose quantities on unit 1 and to copy them on the other units.

• Abnormaloperationofthe electronic control unit or of the ow meters.

• Theauthorizedqualiedtechnician must check the electrical wiring between the control unit and ow meters and see if you need to replace the ow meters.

8. Flow meters alarm. •Flowmetersblockedorfailure.

• Electricalwiringdefective.

• Theauthorizedqualiedtechnician must check the electrical wiring between the control unit and ow meters and see if you need to replace the ow meters.

9. Autolevel alarm. • Watercircuitofautomatic

level without water.

• Mainwatersupplyvalve closed.

• Faultyautolevelsolenoid valve.

• Checkthatthemainwatersupply shut-off valve is open.

• Theauthorizedqualiedtechnician must check the automatic level hydraulic circuit and verify the correct operation solenoid valve and replace if necessary.

10. The machine is switched

on (the main switch is in position 1 or 2 and the signal light is lit) but the electronic control is out of order.

• Theelectricalwiringofthe electronic board or the touch panel is faulty.

• Theelectronicboardorthe touch panel is faulty.

• Theauthorizedqualiedtechnician must check the electrical wiring of the electronic board and the touch panel. Check the operation of the the electronic board and the touch panel and if necessary replace the faulty components.

11. The machine is dispensing

water from one dispensing unit although no coffee dose button has not been selected.

• Dispensingunitsolenoid valve and/or pump fed continuously.

• Theauthorizedqualiedtechnician must check the electronic board and the touch panel. Check the operation of the the electronic board and the touch panel and if necessary replace the faulty components.

12. From the steam spout

comes out a small amounts of water droplets even if in the closed position.

• Gasketofthesteamvalve worn.

• Thevalveneedsadjustment.

• Theauthorizedqualiedtechnician must assess whether to replace the gasket if necessary or adjust the steam valve.

13. From the hot water

spout comes out a small amounts of water droplets even if in the closed position.

• Gasketofthehotwatervalve worn.

• Themanuallyvalveneeds adjustment.

after dispensing of coffee.

• Faultyoperationofcheck valve.

• Highpressureofthepump.

• Verifythecheckvalveandif necessary replace it. Calibrate the valve at 12 bar.

• Theauthorizedqualiedtechnician must check the pump operating pressure. Calibrate the pump at 9 bar.35 English PROBlEM CAUsE sOlUTiOn

15. The lter cup comes off

from the dispensing unit.

16. When coffee is being

dispensed, a part of it drips out of the edge of the lter-cup.

17. Water leaking from the

drain of dispensing unit solenoid valve. Only for electronic dispensing unit.

18. Light cream (the coffee

ows out of the spout fastly). a) Coarse coffee grinding. b) Low pressing pressure. c) Small quantity of ground coffee. d) Water temperature too low. e) Pump pressure above 9 bar. f) Filter holes on dispensing unit are widened. g) Filter holes are widened (lter-cup). a) Decrease coffee grinding. b) Increase the pressure of ground coffee. c) Increase the quantity of ground coffee. d) Increase the temperature of the dispensing unit. e) Decrease pump pressure (this operation can only be performed by authorized qualied technician). f) Check and clean the dispensing unit using cup with blind lter or replace lter. g) Check and replace lter of the lter- cup.

19. Dark cream (the coffee

drips out of the spout too slowly). a) Grinding coffee too ne. b) High pressing pressure. c) Large quantity of ground coffee. d) Water temperature too high. e) Pump pressure below 9 bar. f) Filter holes on dispensing unit are clogged. g) Filter holes are clogged (lter-cup). a) Increase coffee grinding. b) Decrease the pressure of ground coffee. c) Decrease the quantity of ground coffee. d) Decrease the temperature of the dispensing unit. e) Increase pump pressure (this operation can only be performed by authorized qualied technician). f) Check and clean the dispensing unit using cup with blind lter or replace lter. g) Check and replace lter of the lter- cup.

20. Coffee grounds in the cup. a) Grinding coffee too ne.

b) Grinders of coffee grinder worn. c) Pump pressure above 9 bar. d) Filter holes on dispensing unit are clogged. e) Filter holes are clogged (lter-cup). a) Increase coffee grinding. b) Replace grinders (this operation can only be performed by authorized qualied technician). c) Decrease pump pressure (this operation can only be performed by authorized qualied technician). d) Check and clean the dispensing unit using cup with blind lter or replace lter. e) Check and replace lter of the lter- cup.36 English PROBlEM CAUsE sOlUTiOn

21. Coffee with too little cream

in cup (spurts out of spout).

22. The cream in the cup is too

thin (it disappears after a few seconds).

• Coffeeextractiontakesalong time due to clogged lter of dispensing unit.

• Coffeeextractiontakesalong time due to clogged lter of lter-cup.

• Watertemperaturetoohigh.

23. Presence of depressions in

the coffee grounds (looking inside the lter cup).

2. Technical characteristics