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Technical Information

CVA4070 / CVA4075 Coffee Systems

Brew Unit Controls

.3.1

Position of the Microswitches

1 Microswitch grinding amount compensation

and drain position)

Figure 4-2:

CVA4070 Brew Unit

he brew unit is controlled by 4 microswitches (Figure 4-2).

After the brew unit is activated, if one of the two microswitch controls

2 Microswitch brew unit present

(home position)

3 Microswitch top position control
4 Microswitch bottom position control (compressing

(Figure 4--2, Item 3 & Item 4) is not switched within approx. 10 s, then
fault code F73 is registered.

Содержание CVA 4070 EN-CA

Страница 1: ...Technical Information CVA4070 CVA4075 Coffee Systems TECHNICAL INFORMATION CVA4070 CVA4075 Coffee System 2007 Miele USA 1 ...

Страница 2: ...irst use 20 3 1 4 Turning on 21 3 1 5 Turning Off 21 3 3 1 Setting the time of day 23 3 3 2 Clock display size 23 3 3 3 12 or 24 hour clock 23 3 3 4 Clock display on off 24 3 4 Filling the water tank 24 3 5 Filling the beans container 25 3 6 Filling ground coffee 26 3 7 Adjusting the dispenser height 26 3 8 Adjust the grinder setting 27 3 9 Steam system 28 3 10 Froth dispenser Intake hose 28 3 11 ...

Страница 3: ... 61 5 10 Steam solenoid Remove 64 5 11 Flow thru heater coffee hot water Remove 67 5 12 Flow thru heater steam Remove 70 5 13 Coffee hot water pump Remove 73 5 14 Steam pump Remove 77 5 15 Flow meter Remove 81 5 15 Power electronic EPL Remove 85 6 0 Fault Diagnosis 89 6 1 Programming mode 89 6 1 1 Reset 97 6 1 2 Language Set 98 6 1 3 Time Set 99 6 1 4 Timer Set activate 100 4 1 5 Grinding amount S...

Страница 4: ...et 119 6 2 Service mode overview 120 6 3 Fault Codes Read save and delete 125 6 3 1 Fault Code Accessing 125 6 3 2 Fault Code Summary 126 6 3 3 F1 127 6 3 4 F2 127 6 3 5 F3 127 6 3 6 F4 127 6 3 7 F10 128 6 3 8 F17 Insufficient water supply 128 6 3 9 F41 129 6 3 10 F42 129 6 3 11 F47 129 6 3 12 F73 Faulty Brew unit 129 6 3 13 F80 Cause 130 6 3 14 F81 130 6 3 15 F82 131 6 3 16 F83 131 4 ...

Страница 5: ...re 4 6 CVA4070 Rear View 33 Figure 4 7 CVA4070 Front View 34 Figure 4 8 CVA4070 Rear View 35 Figure 4 9 CVA4070 Front View 35 Figure 4 10 CVA4070 Rear View 36 Figure 4 11 CVA4070 Front View 36 Figure 4 12 CVA4070 General Water Path View 37 Figure 4 13 CVA4070 Coffee Water Path View 38 Figure 4 14 CVA4070 Hot Water Path View 39 Figure 4 15 CVA4070 Steam Water Path View 40 Figure 5 1 CVA4070 Service...

Страница 6: ...ter Screw Removal 68 Figure 5 29 CVA4070 Flow thru Heater Temperature 69 Figure 5 30 CVA4070 Rear Service Door Retaining Screw Removal 70 Figure 5 31 CVA4070 Flow thru Heater Steam 71 Figure 5 32 CVA4070 Flow thru Heater Steam 71 Figure 5 33 CVA4070 Temperature 72 Figure 5 34 CVA4070 Rear Service Door Screw Removal 73 Figure 5 35 CVA4070 With Service Door Open 74 Figure 5 36 CVA4070 Coffee Hot Wat...

Страница 7: ... 2 CVA4070 Program Mode Cont from Table 6 1 Cont on Table 6 3 91 Table 6 3 CVA4070 Program Mode Cont from Table 6 2 Cont on Table 6 4 92 Table 6 4 CVA4070 Program Mode Cont from Table 6 3 Cont on Table 6 5 93 Table 6 5 CVA4070 Program Mode Cont from Table 6 4 Cont on Table 6 6 94 Table 6 6 CVA4070 Program Mode Cont from Table 6 5 Cont on Table 6 7 95 Table 6 7 CVA4070 Program Mode Cont from Table ...

Страница 8: ...e machine switched off voltage may exist on some components After work has been completed as a matter of standard practice a visual as well as an operational check should be performed A touch current measurement has to be performed on all components that are not connected to ground Note Prior to starting service or repair work remove all containers and the drip tray with the spill guard grid from ...

Страница 9: ...accessible conductive parts that are not connected to ground Warning Touch current measurement may only be performed after the ground connection of the unit being tested has been checked and found to be satisfactory A defective appliance as well as accessible conductive parts that are not connected to ground may carry dangerous voltages 9 ...

Страница 10: ...Technical Information CVA4070 CVA4075 Coffee Systems 1 0 Construction and Design 1 1 Appliance Overview 1 1 1 Front View Figure 1 1 CVA4070 Front Overview 10 ...

Страница 11: ...Technical Information CVA4070 CVA4075 Coffee Systems 1 1 2 Interior Front of Appliance Opened Figure 1 2 CVA4070 Inside Overview 11 ...

Страница 12: ...e of operating Intelligent dialog control with large standard text display X Languages available 17 Sensor pad controls X Electronic control with step by step user guide X Function Portion sizes 2 espresso and coffee Brew two cups at the same time X Select amount of coffee per cup g 7 14 Program the necessary amount of water per cup X Select Cappuccino via touchpad and user guide X Prepare milk fr...

Страница 13: ...owstable magnetic piston pump 2 Aluminum flow thru heater 2 Brew unit removable and easy to clean X Additional socket to connect the coffee maker and the dish warming drawer X Indicators Prompts for coffee bean and fresh water refill X Prompts to empty the waste container and the drip tray X Indicator for the descale program X Electrical connection Voltage VAC 115 120 Frequency Hz 60 Connected loa...

Страница 14: ...on for ground coffee X Optional accessories available Combination strip HKL 60 Combination strip for use in any combination of oven 60 cm compact oven or steam oven and coffee maker X Mobile built in cabinets MES 45 and MES 60 X Miscellaneous Consumption in standby mode W 1 Table 1 3 Technical Data Continued from Table 1 2 1 Make sure that the cabinet or the wall are stable enough to support the a...

Страница 15: ...on CVA4070 CVA4075 Coffee Systems 1 2 1 Electrical Information Model Number Electrical Requirements Plug Style CVA4070 120 VAC 15amp NEMA 5 15 Table 1 4 CVA4070 Electrical 1 2 2 Plumbing Information None not applicable 15 ...

Страница 16: ...offee hot water 7 Interior lamp 23 Flow thru heater coffee hot water 8 Control electronic EPX 24 Temperature limiter flow thru heater coffee hot water 9 Main power switch 25 Flow thru heater steam 10 Microswitch grinding amount compensation 26 Temperature sensor flow thru heater steam 11 Door lamp 27 Temperature limiter flow thru heater steam 12 Door lamp 28 Temperature fuse one for each flow thru...

Страница 17: ...Technical Information CVA4070 CVA4075 Coffee Systems 2 0 Installation 2 1 Product Dimensions Figure 2 1 CVA4070 Plumbing 17 ...

Страница 18: ...by unplugging the unit tripping the circuit breaker The coffee system must be installed into cabinetry before being used Figure 2 2 CVA4070 Adjusting Feet 1 Unscrew the height adjustable feet fig 2 1 on the underside of the machine about 1 16 2 mm 2 Push the appliance all the way back into the cabinet and center it Note If necessary level the unit with the four height adjustable feet Note The feet...

Страница 19: ... the electrical outlet 6 Open the door and partially tighten the screws 1 Carefully turn the lower screws to center the machine 2 To secure the appliance in the cabinet tighten the upper screws by hand Do Not Use an electric screwdriver Figure 2 3 CVA4070 Mounting Locations 2 2 2 Adjusting the Door Hinges The door hinges can be adjusted if the door cannot be opened easily 1 To adjust the door side...

Страница 20: ... more features can be selected under one menu point the menu has three dots e g settings more back if there are more menus which are not immediately shown select more or back to see further options Clear to go back to the previous screen Stop to cancel coffee preparation OK to save the settings 3 1 3 Before the First Use Note The appliance must be correctly installed and connected before the first...

Страница 21: ...iliar language simply look for the symbol Touch the control next to the flag symbol and select your language of choice 3 Customize the coffee system to your desired settings Note Prepare two cups of coffee and dispose of them this will clean any coffee residues from the brew unit left from the quality control tests at the factory 3 1 5 Turning Off 1 Select On Off The display shows the time of day ...

Страница 22: ...ettings from the main menu during the pre heating phase or 2 in the main menu 3 Select Language 4 Select the desired language To see more language options select more Language options English German Espanol Francais Italiano Polski and Portugues 5 Select OK to save the selection All displays are shown in the selected language 6 To go back to the main menu select Clear 22 ...

Страница 23: ...ct the minutes 5 Select OK 3 3 2 Clock Display Size The size of the clock display can be adjusted The options are normal or large 1 Select the Size touch control The selected size is highlighted in the display 2 Select the Size touch control until the desired size is highlighted 3 Select ok to save the selection 3 3 3 12 or 24 Hour Clock The clock display can be set to the 12 or 24 hour clock 1 Se...

Страница 24: ...ling the Water Tank The beans and the water quality is important for a good espresso or coffee The water tank must be washed and filled with fresh cold drinking water before each day of use The unit displays a reminder when turned on Note Never add hot water or any other liquids except cold water to the water tank Note Do not use mineral water Mineral water leads to heavy calcium built up in the m...

Страница 25: ...to the unit until it clicks in place The wa water tank has not clicked into place pull the tank out check and clean the niche 5 Filling the Beans Container Note l espresso or coffee beans in the beans container Anything else 3 Only fil including ground coffee will damage the grinding unit Caramelized or otherwise pre treated beans or sugar containing beverages must not be filled into the appliance...

Страница 26: ...d lift 2 nful of ground coffee into the funnel using the 3 ce and close the door See Making Coffee Espresso and coffee made from ground coffee e f 7 Adjusting the Dispenser Height To prevent the coffee or espresso from cooling prematurely and to nimize the funnel lid Place one spoo supplied spoon and close the lid Push the container into the applian The lines must be rinsed daily before the first ...

Страница 27: ...A4070 Grinder Adjustment 1 Push the slide control to the left for a finer grind or to the right for a You should be able to feel the notches when moving the slide control If the slide control will not move se a cup of coffee F 3 8 Adjust the Grinder Setting coarser grind 1 Close the machine and dispen 2 Then try to move the slide control again 27 ...

Страница 28: ...eam system is turned off the unit must heat up first to produce steam As long as the coffee system was not completely turned off the steam system is on The steam system is turned on by default 3 Clean the froth dispenser after each use blocked with dried milk and hard to clean Rinsing does not replace cleaning in the dishw 1 Select Care 2 Select Rinse s 3 Set a glass with water u The intake hose t...

Страница 29: ... support n the door Figure 1 2 Item 8 and 4 0 Function 4 1 Optical Interface and program updates Figure 4 1 item 1 It can be located with the function Find optical interface of the Miele Diagnostic Support 4 2 Control Electronic EPX The control electronic is located i It is connected to the power electronic via a communication cable controls the messages in the display 29 ...

Страница 30: ... CVA4070 Brew Unit he brew unit is controlled by 4 microswitches Figure 4 2 After the brew unit is activated if one of the two microswitch controls 4 4 2 Microswitch brew unit present home position 3 Microswitch top position control 4 Microswitch bottom position control compressing T Figure 4 2 Item 3 Item 4 is not switched within approx 10 s then fault code F73 is registered 30 ...

Страница 31: ...an be programmed for the various coffee types e 1 Brew unit switching cam sation microswitch igure 4 3 CVA4070 Brew Unit Switch 4 Figure 4 2 Item 2 will be activated 4 and coffee types coffee espresso cappuccino in the customer programming mode Th available range is Step 0 to 17 This corresponds to a grinding time of 5 5 to 9 5 s 1 6 s grinding amount compensation To prevent an overfill of the bre...

Страница 32: ...s of the brew unit move past the Table 4 1 CVA4070 Ground Coffee Setting 1 2 3 Areas of measurable volume 1 2 and 3 F me microswitch Figure 4 3 Item 2 The farther the cams move the more ground coffee is in the brew unit Five positions can be registered igure 4 4 CVA4070 Brew Unit Volu 32 ...

Страница 33: ...ound coffee amount deviates from the set amount then in the 3 4 Brew Unit Drive Home Position Figure 4 6 CVA4070 Rear View Figure 4 4 which correspond to the volume areas at the appliance Figure 4 5 next grinding step the grinding time is extended by approx 0 2 s or shortened by approx 0 2 s as needed Since the maximum time for compensation is 1 6 s this step can be repeated up to 8 times 4 33 ...

Страница 34: ...ystems Pawl Figure 4 7 CVA4070 Front View unit is in the home position the left cam of the double cam the brew If element activates the top microswitch the bottom microswitch is not switched Figure 4 6 The pawl is in the home position Figure 4 7 34 ...

Страница 35: ...ear View Pawl Figure 4 9 CVA4070 Front View The drive moves until the second cam of the double cam element ger 4 F switches the bottom microswitch and the top microswitch is no lon switched Figure 4 8 The pawl presses down on the spring Figure 4 9 and closes the drain valve The ground coffee is slightly compressed and brewed 35 ...

Страница 36: ...ont View After the coffee is brewed the drive moves back until the first cam of the o the 4 Fig double cam element activates the bottom microswitch and the top microswitch is switched Figure 4 10 The tension of the spring is released the drain valve is opened and the residual water runs int drip tray before the coffee puck is dropped 36 ...

Страница 37: ... Path View 4 4 2 Cappuccinatore 11 Pressure relief valve 3 Water tank reed s 12 Hot water solenoid 4 Water tank 13 Drain valve f lve 5 Pressure relie va 14 Brew unit noi 6 Steam pump 15 Steam sole 7 Flow thru heater steam 16 Hot water dispenser 8 Flow meter 17 Coffee dispenser 9 Coffee hot water pump 18 Drip tray Figure 4 12 CVA4070 General Wate 37 ...

Страница 38: ...tray er 10 Flow thru heater coffee hot wat Figure 4 13 CVA4070 C draws water from the water tank via the flow meter Then the pump coffee hot water pumps the water through the flow thru heater coffee water If there is excess pressure the pressure relief valve opens The hot water is pushed through the brew chamber of the brew unit which is filled with coffee and the coffee runs through the dispenser...

Страница 39: ...ater sure 4 4 Water tank 12 Hot water solenoid 8 Flow meter 16 Hot water dispenser 9 Coffee hot w er pum 18 Drip tray 10 Flow thru heater coffee hot wat from the water tank via the flow meter The water is then pumped through the flow thru heater coffee hot water If there is excess pres the pressure relief valve opens The hot water solenoid opens the hot water path and the hot water runs through th...

Страница 40: ...andby 4 3 Water tank reed s 7 Flow thru hea 4 Water tank 15 Steam solenoid f lve 5 Pressure relie va 18 Drip tray water from the water tank The water is then pumped through the flow thru heater steam If there is excess pressure the pressure relief valve opens The steam solenoid opens the path for the steam and the steam issues from the cappuccinatore 4 After a power disruption the appliance remain...

Страница 41: ...pliance Remove from Cabinet rip tray 1 Appliance retaining screws Figure 5 1 CVA4070 Service View 3 Remove the screws Figure 5 1 Item 1 5 1 Open the door of the unit 2 Empty containers and the d 4 Pull the appliance out of the cabinet 5 Disconnect the unit from power 41 ...

Страница 42: ...ation CVA4070 CVA4075 Coffee Systems 5 2 Door Lamps Remove Open the door of the unit 1 Retaining screws of cover Figure 5 2 CVA4070 Door Lamp Screw Removal 2 Remove the screws Figure 5 2 Item 1 1 3 Remove the cover 42 ...

Страница 43: ...Technical Information CVA4070 CVA4075 Coffee Systems igure 5 3 CVA4070 Door Lamp Removal 3 Unclip the lamps and remove them Figure 5 3 F 43 ...

Страница 44: ...A4070 CVA4075 Coffee Systems 5 3 Door Remove Open the door of the unit 1 Retaining screws right panel Figure 5 4 CVA4070 Door Screw Removal 2 Remove the screws on the right panel Figure 5 4 Item1 1 3 Remove the right panel 44 ...

Страница 45: ...sing the lines 4 5 Remove the door retaining screws Disconnect the plug to the power Release the teflon hoses from their connector and pull out Figure 5 5 Item 2 The te during reassembling Remove the screws of the door hinges Figure 5 5 Item 2 Warning malfunctions in the water system for example clogging of the Remove the door To prevent valves never use grease oil or other lubricants when assembl...

Страница 46: ...VA4070 CVA4075 Coffee Systems 4 Hot Water Dispenser Remove 1 Open the door of the unit 1 Retaining screws of cover Figure 5 6 CVA4070 Hot Water Removal 2 Remove the screws of the cover Figure 5 6 Item1 5 3 Remove the cover 46 ...

Страница 47: ...from its connection and pull it out 5 crews of the bracket Figure 5 7 Item1 ard and remove it Warning malfunctions in the water system for example clogging of the Figure 5 7 Remove the s 6 Remove the bracket Figure 5 7 7 Pull the hot water dispenser downw To prevent valves never use grease oil or other lubricants when assembling the water supplying components 47 ...

Страница 48: ...VA4070 CVA4075 Coffee Systems 5 Cappuccinatore Remove 1 Open the door of the unit 1 Retaining screws of cover Figure 5 8 CVA4070 Cappuccinatore Screw Removal 2 Remove the screws of the cover Figure 5 8 5 3 Remove the cover 48 ...

Страница 49: ...m its connection and pull it out 5 crews of the bracket Figure 5 9 Item1 re downward and remove it Warning malfunctions in the water system for example clogging of the 1 CVA4070 Cap 020 Fig 6 Remove the s 6 Remove the bracket 7 Pull the Cappuccinato To prevent valves never use grease oil or other lubricants when assembling the water supplying components 49 ...

Страница 50: ...rews Figure 5 10 CVA4070 Brew Drive Screw Removal 4 Remove the retaining screws of the service door Figure 10 Item 1 6 Open the service door 5 1 Appliance Remove from ca 2 Remove the retaining screws of the appliance lid 3 Take the lid off 5 Take the cable connecting the control and the power electronic out of its guide 50 ...

Страница 51: ...g amount compensation Figure 5 11 0 Brew Unit Drive Removal 7 Disconnect the plug of the brew unit drive Figure 5 11 Item 2 the appliance 2 Brew unit drive CVA407 8 Disconnect the plug ST4 from the power electronic 9 Open the door of the unit 10 Take the containers out of 51 ...

Страница 52: ...Technical Information CVA4070 CVA4075 Coffee Systems Figure 5 12 CVA4070 Brew Unit Removal 11 Release the brew unit and take it out of the appliance Figure 5 12 52 ...

Страница 53: ...ws Figure 5 13 CVA4070 Brew Unit Retaining Screw Removal 12 Remove the brew unit drive retaining screws Figure 5 13 Item 1 Note installing the brew unit drive make sure that the pawl is set in the 13 Take the brew unit drive out toward the rear When home position refer to Figure 6 1 53 ...

Страница 54: ...figure 5 1 ver 1 Service door retaining screws Figure 5 14 CVA4070 Service Door Retaining Screw Removal 4 Remove the service door screws Figure 5 14 Item 1 ctronic out of 6 Open the service door 5 2 Remove the retaining screws of the appliance co 3 Remove the cover 5 Take the cable connecting the control and the power ele its guide 54 ...

Страница 55: ... CVA4075 Coffee Systems 1 Microswitch grinding amount compensation igure 5 15 CVA4070 Microswitch Removal 7 Disconnect the plug from the microswitch Figure 5 15 Item 1 2 Brew unit drive F 8 Unclip the microswitch and take it out 55 ...

Страница 56: ... retaining screws Figure 5 16 crew Removal 4 Remove the service door retaining screws Figure 5 16 tronic out of 6 Open the service door 5 1 Appliance Remo 2 Remove the retaining screws of the appliance lid 3 Remove the lid CVA4070 Grinder S 5 Take the cable connecting the control and the power elec its guide 56 ...

Страница 57: ...Technical Information CVA4070 CVA4075 Coffee Systems Figure 5 17 CVA4070 Grinder Unit Removal 7 Take the bean container out 57 ...

Страница 58: ...nical Information CVA4070 CVA4075 Coffee Systems 1 Retaining screws of the bean container base Figure 5 18 CVA4070 Bean Container Screw Removal 8 Remove the retaining screws of the base Figure 5 18 Item1 58 ...

Страница 59: ...Technical Information CVA4070 CVA4075 Coffee Systems Figure 5 19 CVA4070 Bean Container Removal 9 Pull the handle off the adjustment lever Figure 5 19 10 Take the base out 59 ...

Страница 60: ...1 Grinder retaining screws Figure 5 20 CVA4070 Grinder Retaining Screws Removal 11 Slide the adjustment lever aside Figure 5 20 12 Remove the grinder retaining screws Figure 5 20 Item1 13 Take the grinder out 14 Pull the connecting plug off the grinder 60 ...

Страница 61: ... CVA4075 Coffee Systems 5 9 Hot water Solenoid Remove 1 Retaining screws of support plate Figure 5 20 CVA4070 Grinder Retaining Screws Removal 1 Remove the screws of the support plate Figure 5 20 Item 1 2 Open the support plate 61 ...

Страница 62: ...Technical Information CVA4070 CVA4075 Coffee Systems 1 Steam solenoid 2 Hot water solenoid Figure 5 21 CVA4070 Solenoid Removal 62 ...

Страница 63: ...y springs at the connection of the hot water solenoid Figure 5 22 4 Take the solenoid out 5 Pull the connecting plug off the solenoid Warning To prevent malfunctions in the water system for example clogging of the valves never use grease oil or other lubricants when assembling the water supplying components 63 ...

Страница 64: ...CVA4070 CVA4075 Coffee Systems 5 10 Steam Solenoid Remove 1 Retaining screws of support plate Figure 5 23 CVA4070 Solenoid Screw Removal 1 Remove the screws of the support plate Figure 5 23 Item1 2 Open the support plate 64 ...

Страница 65: ...Technical Information CVA4070 CVA4075 Coffee Systems 1 Steam solenoid 2 Hot water solenoid Figure 5 24 CVA4070 Solenoid Removal 65 ...

Страница 66: ...fety springs at the connection of the steam solenoid Figure 5 25 4 Remove the solenoid 5 Pull the connecting plug off the solenoid Warning To prevent malfunctions in the water system for example clogging of the valves never use grease oil or other lubricants when assembling the water supplying components 66 ...

Страница 67: ...move from cabinet Figure 5 1 2 Remove the cover retaining screws 3 Remove the cover 1 Service door retaining screws Figure 5 26 CVA4070 Rear Screw Removal 4 Remove the service door screws Figure 5 26 Item1 5 Take the cable connecting the control and the power electronic out of its guide 6 Open the service door 67 ...

Страница 68: ...ru heater steam 2 Flow thru heater coffee hot water Figure 5 27 CVA4070 Flow thru Heater 7 Remove the rear wall retaining screws at the bottom 8 Take off the lower rear wall 1 Retaining screws flow thru heater Figure 5 28 CVA4070 Flow thru Heater Screw Removal 68 ...

Страница 69: ...ure limiter 2 Temperature fuse 3 Temperature sensor Figure 5 29 CVA4070 Flow thru Heater Temperature 12 Remove the temperature sensor temperature limiter and temperature fuse from the flow thru heater Figure 5 29 Items 1 3 13 Pull the connectors off the flow thru heater Warning To prevent malfunctions in the water system for example clogging of the valves never use grease oil or other lubricants w...

Страница 70: ...appliance cover 3 Remove the cover 1 Service door retaining screws Figure 5 30 CVA4070 Rear Service Door Retaining Screw Removal 4 Remove the service door retaining screws Figure 30 Item1 5 Take the cable connecting the control and the power electronic out of its guide 6 Open the service door Note Both steam and hot water have center screw anchoring it to platform 70 ...

Страница 71: ...t water Figure 5 31 CVA4070 Flow thru Heater Steam 1 Retaining screws flow thru heater Figure 5 32 CVA4070 Flow thru Heater Steam 7 Pull out the spring clips at the connection Figure 32 8 Remove the flow thru heater mounting screws Figure 32 Item 1 9 S B Remove center screw 10 Remove the flow thru heater 71 ...

Страница 72: ...0 Temperature 10 Remove the temperature limiter temperature sensor and temperature fuse Figure 5 33 Items 1 3 11 Pull the connectors off the flow thru heater Warning To prevent malfunctions in the water system for example clogging of the valves never use grease oil or other lubricants when assembling the water supplying components 72 ...

Страница 73: ...Figure 5 1 2 Remove the cover retaining screws 3 Remove the cover 1 Service door retaining screws Figure 5 34 CVA4070 Rear Service Door Screw Removal 4 Remove the service door retaining screws Figure 5 34 Item 1 5 Take the cable connecting the control and the power electronic out of its guide 6 Open the service door 73 ...

Страница 74: ...Technical Information CVA4070 CVA4075 Coffee Systems Figure 5 35 CVA4070 With Service Door Open 7 Remove the rear wall retaining screws at the bottom 8 Remove the lower wall 74 ...

Страница 75: ...Technical Information CVA4070 CVA4075 Coffee Systems 1 Coffee hot water pump 2 Steam pump Figure 5 36 CVA4070 Coffee Hot Water Pump 75 ...

Страница 76: ... off the pump 11 Remove the pump retaining screws Figure 5 37 Item 2 12 Remove the pump 13 Pull the silicone hose off the pump Figure 5 37 14 Unclip the temperature limiter and remove it Figure 5 37 Item 3 15 Unscrew the safety valve Figure 5 37 Item1 16 Take the retaining brackets off the pump Warning To prevent malfunctions in the water system for example clogging of the valves never use grease ...

Страница 77: ...e 5 1 2 Remove the cover retaining screws 3 Remove the cover 1 Service door retaining screws Figure 5 38 CVA4070 Service Door Steam Pump Removal 4 Remove the service door retaining screws Figure 5 38 Item 1 5 Take the cable connecting the control and the power electronic out of its guide 6 Open the service door 77 ...

Страница 78: ...Technical Information CVA4070 CVA4075 Coffee Systems Figure 5 39 CVA4070 Steam Pump Removal 7 Remove the rear wall retaining screws at the bottom 8 Remove the lower wall 78 ...

Страница 79: ...Technical Information CVA4070 CVA4075 Coffee Systems 1 Coffee hot water pump 2 Steam pump Figure 5 40 CVA4070 Coffee Hot Water Pump Removal 79 ...

Страница 80: ... Remove the pump 12 Remove the retaining clip from the 90 connector and disconnect the teflon hose Figure 5 41 13 Pull the silicone hose off the pump Figure 5 41 14 Unclip the temperature limiter and remove it Figure 5 41 Item 2 15 Take the retaining brackets off the pump Warning To prevent malfunctions in the water system for example clogging of the valves never use grease oil or other lubricants...

Страница 81: ... Figure 5 1 2 Remove the cover retaining screws 3 Remove the cover 1 Service door retaining screws Figure 5 42 CVA4070 Flow Meter Screws Removal 4 Remove the service door retaining screws Figure 5 42 5 Take the cable connecting the control and the power electronic out of its guide 6 Open the service door 81 ...

Страница 82: ...Technical Information CVA4070 CVA4075 Coffee Systems Figure 5 43 CVA4070 Flow Meter Removal 7 Remove the rear wall retaining screws at the bottom 8 Remove the lower wall 82 ...

Страница 83: ...Technical Information CVA4070 CVA4075 Coffee Systems 1 Flow meter Figure 5 44 CVA4070 Flow Meter Removal 83 ...

Страница 84: ...icone hoses off the flow meter Figure 5 45 10 Pull the connector off the flow meter 11 Pull the flow meter upward out of the safety ring and remove it Figure 5 45 Item 2 Warning To prevent malfunctions in the water system for example clogging of the valves never use grease oil or other lubricants when assembling the water supplying components 84 ...

Страница 85: ...moval 4 Remove the screws of the power electronic Figure 5 46 Item 1 5 Remove the power electronic 6 Pull the connectors off the power electronic Note Power electronic EPL 860 is shipped with an adapter wire and conversion instructions This conversion is designed to adapt the same electronic to the USA CVA 4070 4075 and European Versions This conversion is applied to European coffeemakers only The...

Страница 86: ...0 Connecting Plugs and Pin Allocations Plug Pins Usage Component 1 2 ST1 3 vacant solenoid for hard plumbing 1 2 Steam solenoid 3 ST2 4 Hot water solenoid 1 ST3 2 Reed contact ground coffee funnel Table 5 1 CVA4070 Connecting Plugs and Pin Allocations Cont on Table 5 2 86 ...

Страница 87: ...on 2 Microswitch brew unit 2 clockwise turn 3 Microswitch brew unit 3 counter clockwise turn 4 Microswitch brew unit 4 present ST4 5 Microswitch brew unit XXXXMasse 1 2 Reed contact water tank fill 3 4 Reed contact water tank in units with hard plumbing 5 ST5 6 Reed contact door closed 1 ST6 2 Brew unit motor 1 2 3 4 5 6 7 8 9 10 ST7 11 Connection to control electronic Table 5 2 CVA4070 Connecting...

Страница 88: ...1 2 ST10 3 1 Connector to main power supply ST11 2 Connection to Plug 12 1 Flow thru heater steam 2 vacant 3 Flow thru heater coffee hot water 4 vacant 5 Connection to plug 11 6 Interference suppressor 7 Pump coffee hot water 8 Steam pump 9 vacant 10 ST12 11 Grinder motor 1 ST13 2 Connector to warming drawer Table 5 3 CVA4070 Connecting Plugs and Pin Allocations Cont from Table 5 2 88 ...

Страница 89: ...pad Clear 5 Touch pad Clear 5 times and at the 5th time hold it until the programming mode appears Acknowledgement indicator The display shows the positions of the programming mode Programming Options 1 Touch the pad next to the desired position refer Table 2 Touch the pad next to the desired setting refer Table Back without saving Touch pad Clear Save and quit 1 Save and back Touch pad next to OK...

Страница 90: ...rkce greek Settings Language russian The language remains even when the program is reset to factory setting If the language setting is wrong use the bilder t4640s02 tif icon as a guide to the language menu on The Time display stays switched on Display on for 60 seconds When the unit is switched off the time display dims after 60 seconds On 12 h The time is shown in the 12 hour format Time Format 2...

Страница 91: ...pecified time Espresso Step 1 17 Step 9 Coffee Step 1 17 Step 9 Settings Grinding Amount Cappuccino Step 1 17 Grinding Time 3 9 s 10 s Step 9 Long Pre brew 3 0 s Normal Pre brew 1 5 s Settings Pre Brewing Without No pre brewing Without Minimum 205 F 96 C in the flow thru heater Low 208 F 98 C in the flow thru heater Medium 212 F 100 C in the flow thru heater High 215 F 102 C in the flow thru heate...

Страница 92: ... in the flow thru heater High 215 F 102 C in the flow thru heater Settings Temperature Cappuccino Maximum 219 F 104 C in the flow thru heater Medium Minimum 205 F 96 C in the flow thru heater Low 208 F 98 C in the flow thru heater Medium 212 F 100 C in the flow thru heater High 215 F 102 C in the flow thru heater Settings Temperature Hot Water Maximum 219 F 104 C in the flow thru heater Medium On ...

Страница 93: ...ce interior can be dimmed Step 17 Settings Lighting Dim Bottom step 1 17 The lamps of the appliance door can be dimmed Step 17 Settings Coffee Total e g 11 The number of coffees espressos and cappuccinos dispensed is indicated Accept System lock is switched on The appliance can be safeguarded against accidental switch on Settings System Lock Do Not Accept System lock is switched off Do Not Accept ...

Страница 94: ...tem Settings for each user profile Standard Create e g name Create a new user profile Up to 7 user profiles are possible Change name Change the name of a user profile Delete Delete a user profile never The display of the user profile in the main menu never changes over to Standard At switch on The display of the user profile in the main menu changes over to Standard as the machine is switched on S...

Страница 95: ...it a tone when they are touched On No Back without restoring the factory setting All settings Yes All settings made by the customer except language are reset to factory setting No Back without deleting the user profiles Settings Factory Settings User profiles Yes Back without deleting the user profiles Customer Service Restart A restart is like a break from the power supply The fault memory as wel...

Страница 96: ...pliance cannot be hooked up to plumbing Not Available No Back without lifting the descale lock Release Descale Yes Release the descale lock 1 No Back without lifting the cleaning lock Release Cleaning Yes Release the cleaning lock 2 Table 6 7 CVA4070 Program Mode Cont from Table 6 6 1 Attention After service work is completed descale the appliance 2 Attention After service work is completed clean ...

Страница 97: ...se pad Clear 4 Touch pad Clear 5 times and at the 5th time hold it until the programming mode appears Acknowledgement indicator The display shows the positions of the programming mode Programming Options 1 Touch the pad next to Reset No Back without Reset Yes All settings made by the customer except language are deleted All own user profiles are deleted The fault code memory remains Save and quit ...

Страница 98: ...programming mode Programming Options 1 Touch pad next to Language 2 Touch the pad next to the desired language 3 Back without saving Touch pad Clear Available languages cestina dansk deutsch english espanol francais italiano magyar nederlands norsk polski português suomi svenska türkce greek russian Note The language remains even if the factory setting is restored If the language is not set correc...

Страница 99: ... the programming mode Programming Options 1 Touch pad next to Time 2 Touch pad next to the desired setting 3 Back without saving Touch pad Clear Indication on The panel shows the time of day on for 60 seconds When the appliance is switched off the display dims after 60 seconds Factory setting on Time format 12 hour The time is shown in the 12 hour format 24 hour The time is shown in the 24 hour fo...

Страница 100: ...vation 3 Back without saving Touch pad Clear To Set switch on at If the timer is activated the appliance will be switched on at the specified time Enter the desired time via the touch pads or switch off after The appliance will be switched off after the specified time has elapsed Enter the desired time via the touch pads or Factory setting 2 00 hours switch off at If the timer is activated the app...

Страница 101: ...unt 2 Touch pad next to the desired type of coffee 3 Back without saving Touch pad Clear Espresso Set the desired grinding amount using the touch pads less or more Range Step 1 17 representing a grinding time of 3 9 s 10 s Factory setting Step 9 Coffee Set the desired grinding amount using the touch pads less or more Range Step 1 17 representing a grinding time of 3 9 s 10 s Factory setting Step 9...

Страница 102: ...the 5th time hold it until the programming mode appears Acknowledgement indicator The display shows the positions of the programming mode Programming Options 1 Touch pad next to Pre brewing 2 Touch pad next to the desired setting 3 Back without saving Touch pad Clear Long 3 0 s pre brewing Normal 1 5 s pre brewing Without no pre brewing Factory setting without Save and quit 1 Save and back Touch p...

Страница 103: ...mum Represents 96 C in the flow thru heater low Represents 98 C in the flow thru heater medium Represents 100 C in the flow thru heater high Represents 102 C in the flow thru heater maximum Represents 104 C in the flow thru heater Factory setting medium Coffee minimum Represents 96 C in the flow thru heater low Represents 98 C in the flow thru heater medium Represents 100 C in the flow thru heater...

Страница 104: ...resents 98 C in the flow thru heater medium Represents 100 C in the flow thru heater high Represents 102 C in the flow thru heater maximum Represents 104 C in the flow thru heater Factory setting medium Save and quit 1 Save and back Touch pad next to OK 2 End Touch pad On Off Quit without saving 1 Touch pad On Off 104 ...

Страница 105: ...rogramming mode appears Acknowledgement indicator The display shows the positions of the programming mode Programming Options 1 Touch pad next to Rinse automatic 2 Touch pad next to the desired setting 3 Back without saving Touch pad Clear on The appliance rinses when it is switched on and after dispensing a beverage shortly before it switches off off Automatic rinse is switched off Factory settin...

Страница 106: ...d at the 5th time hold it until the programming mode appears Acknowledgement indicator The display shows the positions of the programming mode Programming Options 1 Touch pad next to Steam system 2 Touch pad next to the desired setting 3 Back without saving Touch pad Clear on The steam system is switched on off The steam system is switched off Factory setting on Save and quit 1 Save and back Touch...

Страница 107: ...ogramming mode Programming Options 1 Touch pad next to Lighting 2 Touch pad next to the desired setting 3 Back without saving Touch pad Clear Automatic on Door and interior lighting are switched on off Door and interior lighting are switched off Factory setting on Dim top The interior lighting can be set using the touch pads darker or brighter Range Step 1 17 Factory setting Step 17 bottom The doo...

Страница 108: ...elease pad Clear 4 Touch pad Clear 5 times and at the 5th time hold it until the programming mode appears Acknowledgement indicator The display shows the positions of the programming mode Programming Options 1 Touch pad next to coffee total 2 The display shows the total number of coffee espresso and cappuccino dispensed Save and quit 1 Save and back Touch pad next to OK 2 End Touch pad On Off Quit...

Страница 109: ...ing mode appears Acknowledgement indicator The display shows the positions of the programming mode Programming Options 1 Touch pad next to System lock 2 Touch pad next to the desired setting 3 Back without saving Touch pad Clear accept The system lock is switched on The appliance can be safeguarded against accidental operation do not accept The system lock is switched off Factory setting do not ac...

Страница 110: ...The display shows the positions of the programming mode Programming Options 1 Touch pad next to Water hardness 2 Touch pad next to the desired setting 3 Back without saving Touch pad Clear Value approx until message 50 servings until descale Water Hardness Settings gr gal Flow coffee hot water pulses Discharge steam min Soft 0 4 150 000 120 Medium 5 9 144 000 90 Hard 10 18 108 000 60 Very Hard 18 ...

Страница 111: ...activation 3 Back without saving Touch pad Clear select The main menu shows the selected user profile In the menu item settings the grinding amount temperature pre brewing and portion size can be set for the respective user profile Factory setting Standard The settings for the grinding amount temperature pre brewing and portion size are as in the factory setting create Create a new user profile e ...

Страница 112: ...Systems after dispensing After each time a beverage is dispensed the main menu changes to a standard user profile Factory setting never Save and quit Save and back Touch pad next to OK End Touch pad On Off Quit without saving Touch pad On Off 112 ...

Страница 113: ...knowledgement indicator The display shows the positions of the programming mode Programming Options 1 Touch pad next to Display 2 Touch pad next to the desired setting 3 Back without saving Touch pad Clear Contrast Set the contrast using the touch pads lower or higher Range Step 1 16 Factory setting Step 8 Brightness Set the brightness using the touch pads darker or brighter Range Step 1 16 Factor...

Страница 114: ...knowledgement indicator The display shows the positions of the programming mode Programming Options 1 Touch pad next to Signal tones 2 Touch pad next to the desired setting 3 Back without saving Touch pad Clear Volume Set the volume higher or lower using the touch pads Range Step 1 18 Factory setting Step 18 Touch pad tones on Touch pads emit a tone when pressed off Touch pads do not emit a tone w...

Страница 115: ...until the programming mode appears Acknowledgement indicator The display shows the positions of the programming mode Programming Options 1 Touch pad next to Factory setting 2 Touch pad next to the desired action 3 Back Touch pad Clear All Settings no Back without restoring the factory setting yes All settings made by the customer except the language are reset to the factory setting User profiles n...

Страница 116: ...pad Clear 5 times and at the 5th time hold it until the programming mode appears Acknowledgement indicator The display shows the positions of the programming mode Programming Options 1 Touch pad next to Customer service 2 Touch pad next to Restart The appliance restarts A restart is like a disconnection from main power The fault code as well as all settings made by the customer and user profiles c...

Страница 117: ...ons of the programming mode Programming Options 1 Touch pad next to Customer service 2 Touch pad next to Appliance variant 3 Touch pad next to the desired setting 4 Back without saving Touch pad Clear Hard plumbing available The appliance is hooked up to plumbing not available The appliance is not hooked up to plumbing Factory setting not available Dish warming drawer available A dish warming draw...

Страница 118: ...Off once 3 Release pad Clear 4 Touch pad Clear 5 times and at the 5th time hold it until the programming mode appears Acknowledgement indicator The display shows the positions of the programming mode Programming Options Touch pad next to Reset descale no Back without releasing the descale lock yes The descale lock is lifted Save and quit Touch pad On Off Warning After service work is completed des...

Страница 119: ... Off once 3 Release pad Clear 4 Touch pad Clear 5 times and at the 5th time hold it until the programming mode appears Acknowledgement indicator The display shows the positions of the programming mode Programming Options 1 Touch pad next to Reset cleaning no Back without lifting the cleaning lock yes The cleaning lock is lifted Save and quit Touch pad On Off Warning After service work is completed...

Страница 120: ... 2 Touch the pad next to the desired activation refer 3 Back Touch pad Clear Save and quit 1 Touch pad On Off Position Display Activation Description Results EPX e g ID01087 V21 The ID number of the control electronic is displayed ID NUMBER EPL e g ID33849 V10 The ID number of the power electronic is displayed registered faults refer to 021 Table 2 All faults that have occurred so far are indicate...

Страница 121: ...he brew unit moves into the respective direction home position 1 drain position 1 COMPONENT TEST BREW UNIT compressing position 1 The brew unit moves into the respective direction On The grinder is running COMPONENT TEST GRINDER Off The grinder is switched off On The pump coffee hot water runs COMPONENT TEST WATER PUMP Off The pump coffee hot water is switched off On The steam pump runs COMPONENT ...

Страница 122: ...s being heated COMPONENT TEST DISH WARMING DRAWER N A US models Off The dish warming drawer is switched off On COMPONENT TEST WATER SUPPLY VALVE 1 Off no function On COMPONENT TEST WATER SUPPLY VALVE 2 Off no function On COMPONENT TEST WATER SUPPLY VALVE 1 2 Off no function empty The drip tray is not full SENSOR TEST DRIP TRAY full The drip tray is full empty The bean container is not empty SENSOR...

Страница 123: ...s closed SENSOR TEST GROUND COFFEE FUNNEL open The ground coffee funnel is open closed The waste container is present SENSOR TEST WASTE CONTAINER open The waste container is missing closed The door is closed SENSOR TEST DOOR CONTACT open The door is open closed The water tank is seated and filled SENSOR TEST WATER TANK open The water tank is not seated or empty closed SENSOR TEST HARD PLUMBING ope...

Страница 124: ...ES DISPENSED Number of coffees dispensed DOUBLE COFFEES DISPENSED Number of double coffees dispensed CAPPUCCINOS DISPENSED Number of cappuccinos dispensed HOT WATER DISPENSED Number of hot water servings dispensed MILK FROTH DISPENSED Number of milk froth servings dispensed NUMBER OF DESCALES Shows the number of descales that have been carried out OPERATING HOURS NUMBER OF CLEANINGS Number of clea...

Страница 125: ...3 Release pad Clear 4 Touch pad Clear 3 times and at the 3rd time hold it until the service mode appears Acknowledgement indicator The display shows the positions of the Service mode Options 1 Touch pad next to Fault memory 2 To show the fault description touch the pad next to the fault 3 Save the fault and back Touch pad next to OK Touch pad Clear 4 Delete the fault and back Touch pad next to del...

Страница 126: ... steam F4 Open circuit temperature sensor NTC steam F10 No water supply F17 Insufficient water supply F41 EEPROM faulty wrong data F42 Frequency not registering F43 No communication between control electronic and power electronic F73 Brew unit fault F80 Flow thru heater coffee hot water not heating F81 Flow thru heater steam not heating F82 Flow thru heater coffee hot water too hot F83 Flow thru h...

Страница 127: ...les Replace the connecting cables if necessary Temperature sensor Flow thru heater coffee hot water Check 0214 46 Replace the temperature sensor if necessary 6 3 5 F3 Short circuit temperature sensor NTC steam Check the connecting cables Replace the connecting cables if necessary Temperature sensor Flow thru heater steam Replace the temperature sensor if necessary 6 3 6 F4 Open circuit temperature...

Страница 128: ...ve Install a new flow meter Pump coffee hot water defective Coffee hot water pump Remove Install a new pump coffee hot water 6 3 8 F17 Insufficient Water Supply The water tank is not seated correctly Push the water tank in correctly Hoses broken clogged kinked Check the hoses Replace the hoses as necessary Water tank valve jammed clogged Check the water tank valve Replace the water tank as necessa...

Страница 129: ...ct source voltage frequency 6 3 11 F47 Faulty interface of control electronic and power electronic Check the cable between control electronic and power electronic Replace the connecting cable if necessary 6 3 12 F73 Faulty Brew Unit When the brew unit is activated if one of the two microswitches does not switch within approx 10seconds F73 is registered 1 Microswitch position controltop home positi...

Страница 130: ...nstalling the brew unit make sure that the pawl is set to the home position refer to Figure 6 1 Brew unit drive home position Install a new brew unit drive 6 3 13 F80 Cause Flow thru heater coffee hot water 2R1 does not heat Flow thru heater coffee hot water Check If necessary Flow thru heater coffee hot water Remove Install a new flow thru heater coffee hot water Temperature fuse has tripped Repl...

Страница 131: ... service is performed the customer can switch the steam system off refer to Steam system On off Replace the temperature fuse 6 3 15 F82 The temperature is higher than 266 F 130 C If the temperature fuse has tripped it has to here placed 6 3 16 F83 The temperature is higher than 356 F 180 C If the temperature fuse has tripped it has to here placed 131 ...

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Miele CVA 4070 EN-CA, Техническая информация

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