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Technical Information

5

CVA610 Coffee System

1 Steam Valve Switch
2 Door

Magnet

3 Fluorescent Bulb
4 Starter

5 Control Panel / Electronic
6 Selector

Switch

7 Thermostat
8  PTC Temperature Sensor
9  Heater (Coffee & Water)
10 Heater (Steam)
11 Thermostat
12   PTC Temperature Sensor
13  Steam Solenoid
14  Dispenser Solenoid

15

Dispenser Switch

16 Terminal Block
17 Flowmeter
18 Interference Capacitor
19 Electronic Board
20  Door Interlock Switch
21 Water Pump
22 Grinder
23 Drive Motor
24  Brew Unit Present Switch
25  Water Tank Level Switch
26  Brew Unit Home Switch
27  Overflow Float Switch
28  Brew Unit Brew Position Switch
29  Waste Unit Present Switch
30  Hot Water Valve
31 Lamp Ballast

1.3

Layout of Components

Figure 1-4:

Overview of Components

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Summary of Contents for cva 610

Page 1: ... 2004 Miele TECHNICAL INFORMATION CVA610 Coffee System ...

Page 2: ......

Page 3: ...sting the Coffee Grinder 12 3 1 6 Filling the Coffee Bean Container 13 3 1 7 Filling the Water Tank 14 4 0 DESCRIPTION of FUNCTION 4 1 Door Switch 15 4 2 Overflow Switch 15 4 3 Brew Unit Home Position 16 4 4 Brew Unit Drive Water Connections 17 4 5 Brewing Procedure 18 4 6 Waste Unit 21 4 7 Waste Unit Present Switch 21 4 8 Water Tank 23 4 9 Water Level Switch 24 4 10 Grinder Assembly 25 4 11Grinde...

Page 4: ...Removal 46 5 8 Overflow Switch Actuator Float Removal 47 5 9 Overflow Switch Removal 48 5 10 Fluorescent Lamp Removal 49 5 11 Lamp Starter Removal 49 5 12 Rear Door Panel Removal 50 5 13 Fascia Panel Cover Replacement 51 5 14 Selector Switch Removal 52 5 15 Display Module Electronic Removal 53 5 16 Coffee Dispensing Nozzle Removal 54 5 17 Coffee Dispensing Nozzle Fitting 55 5 18 Steam Valve and St...

Page 5: ...Level Indicator Float Removal 71 5 35 Water Tank Sealing Ring Removal 72 5 36 Lower Section of Tank Valve Removal 73 5 37 Bean Container Removal 75 5 38 Bean Container Guide Removal 76 5 39 Grinder Unit Disassembly 77 5 40 Grinder Unit Assembly Basic Setting 80 5 41 Grinder Unit Removal 81 5 42 Brew Unit Present Switch Removal 83 5 43 Dispensing Solenoid Removal 83 5 44 Dispenser Switch Removal 83...

Page 6: ...Programming Mode 89 6 2 Service Mode 90 6 3 Displayed Messages 92 6 4 Uneven Filling 94 6 5 Brew Unit Can t be removed from appliance 94 6 6 Brew Unit Can t be installed 94 6 7Grinder Setting Can t be set to finer position 95 ...

Page 7: ...Container 13 4 1 Door Contact Switch 15 4 2 Brew Unit in home position 16 4 3 Brew Unit drive connections 17 4 4 Brew Unit Filters 18 4 5 Brew Unit Components 19 4 6 Brew Unit releasing a puck 20 4 7 Waste Unit Present Switch 21 4 8 Waste Unit Magnet 22 4 9 Water Tank Valve 23 4 10 Water Level Switch 24 4 11 Water Level Switch Float 24 4 12 Grinder Assembly 25 4 13 Grinder Overload Protection Comp...

Page 8: ...nents 54 5 17 Steam Valve and Steam Valve Switch 56 5 18 Hot Water Valve 57 5 19 Brew Unit Connection Socket 60 5 20 Brew Unit Connection Socket Retaining 60 5 21 Brew Unit Removal 61 5 22 Brew Unit Installation 62 5 23 Cleaning Tablet being placed into brew unit 63 5 24 Brew Unit lubrication points 1 65 5 25 Brew Unit lubrication points 2 65 5 26 Moving the Brew Unit to the home position 66 5 27 ...

Page 9: ... 5 41 Accessing the Grinder 77 5 42 Upper section of the Grinder 78 5 43 Grinder 79 5 44 Grinder Removal 81 5 45 Grinder Coupling 82 5 46 Brew Unit Present Switch 83 5 47 Water System Connection 86 CVA610 Coffee System List of Tables 5 1 Programming Mode 89 5 2 Service Mode Navigation 91 5 3 Displayed Messages part 1 of 2 92 5 4 Displayed Messages part 2 of 2 93 ...

Page 10: ......

Page 11: ...Technical Information 1 CVA610 Coffee System 1 0 Construction and Design 1 1 Appliance Overview Figure 1 1 Appliance Overview Front Controls ...

Page 12: ...Technical Information 2 CVA610 Coffee System Figure 1 2 Appliance Overview Interior ...

Page 13: ...fee System 1 2 Technical Data Figure 1 3 CVA610 Product Dimensions Electrical Information The CVA610 Coffee System is equipped with a power cord and a molded NEMA 6 15P plug for connection to a 240 208 V 15 A 60 Hz NEMA 6 15R receptacle ...

Page 14: ...Technical Information 4 CVA610 Coffee System ...

Page 15: ...sor 13 Steam Solenoid 14 Dispenser Solenoid 15 Dispenser Switch 16 Terminal Block 17 Flowmeter 18 Interference Capacitor 19 Electronic Board 20 Door Interlock Switch 21 Water Pump 22 Grinder 23 Drive Motor 24 Brew Unit Present Switch 25 Water Tank Level Switch 26 Brew Unit Home Switch 27 Overflow Float Switch 28 Brew Unit Brew Position Switch 29 Waste Unit Present Switch 30 Hot Water Valve 31 Lamp...

Page 16: ...Technical Information 6 CVA610 Coffee System ...

Page 17: ...l Information 7 CVA610 Coffee System 2 0 Installation Figure 2 1 Installation Information Note For further information refer to the installation section of the Operating Manual OR the Miele installation Manual ...

Page 18: ...Technical Information 8 CVA610 Coffee System ...

Page 19: ... a cup under both coffee dispensers Figure 3 1 Coffee cup placed under both dispensers 2 Press the desired coffee button once Figure 3 2 Pressing the coffee button The coffee will be prepared The following message will appear in the message window depending on the button pressed Figure 3 3 Displayed Message While Dispensing ...

Page 20: ...tion Press one of the coffee buttons to stop preparation immediately Figure 3 4 Canceling the preparation 3 1 3 Steam Control Turn the steam ON by turning the steam selector counter clockwise Turn the steam OFF by turning the steam selector clockwise Figure 3 5 Steam Control ...

Page 21: ...p placed under hot water dispenser 2 Press the hot water button Hot water will be dispensed 3 Press the hot water button again to stop the hot water flow Figure 3 7 Hot water button Service Tip The hot water dispensing stops automatically if a specific volume cup size is programmed and the Programmed Hot Water feature is activated ...

Page 22: ...e coffee flows too quickly the beans have been ground too coarsely Adjust the grinder to a finer setting If the coffee trickles the beans have been ground too finer Adjust the grinder to a coarser setting Note You should be able to feel the notches when moving the slide control If the slide control will not move Close the machine and dispense a cup of coffee Then try to move the slide control agai...

Page 23: ...ntainer back into place 5 Shut the appliance door Figure 3 9 Filling the Coffee Bean Container Important Only put pure espresso or coffee bean in the container Anything else including ground coffee hot cocoa instant coffee or treated coffee beans flavorings caramel or sugar will damage the grinder Service Tip Always remove all coffee beans before attempting to remove the bean container Failure to ...

Page 24: ... when the unit is first turned on 1 Open the front of the machine 2 Lift the water tank up and out of the appliance 3 Open the lid and fill the container with cold drinking water to within about 1 2 cm of the top Important Never add hot water or any other liquids to the water tank 4 Close the lid and place the tank in the machine pushing it straight back Ensure the tank is fully seated into positi...

Page 25: ...ned Figure 4 1 Door Contact Switch S24 4 2 Overflow Switch B8 3 The Overflow Switch is mounted to the bottom of the casing The associated float with internal magnet is located within the drip tray Should a leak develop water flows into the drip tray The float rises and the Overflow Switch becomes actuated The electronic then displays the Watersystem Fault message ...

Page 26: ... Information 16 CVA610 Coffee System 4 3 Brew Unit Home Position Refer to figure 4 2 The brew unit must be in the home position before it can be removed from the appliance Fig 4 2 Brew Unit in the home position ...

Page 27: ...tch item 4 The Drive Shaft item 6 engages with the Drive Shaft Socket item 1 to provide drive to the Brew Unit When the Brew Unit moves into the Brewing Position the Hot Water Water Connection Socket item 2 connects to the Nozzle on the Hot Water Coffee Heater item 5 Figure 4 3 Brew Unit drive connections 1 Drive Shaft Socket 2 Water Connection Socket 3 Locking Mechanism Switch Lug 4 Brew Unit Pre...

Page 28: ... Housing until it filled as determined by the dispenser switch 2 The Grinder is then powered by off by the Electronic 3 The Dispenser Flap opens twice two clicks can be heard via the Dispenser Solenoid 4 The ground coffee falls into the Brew Unit via the funnel Figure 4 4 Brew Unit Filters 1 Funnel 2 Percolator chamber 3 Bottom filter ...

Page 29: ...ter Coffee Nozzle and into the Brew Unit via the Water Connection Socket item 4 The hot water forces through the brew unit and the compressed grounds Pos 3 and exits the top of brew unit via the drain spout item 1 With the door of the appliance closed the drain spout makes contact with the dispensing system on the front of the appliance The users cup is filled with coffee as the coffee flow exits ...

Page 30: ...he Brew Unit toward the home position position As this action occurs the coffee chamber moves upward and releases the used compressed coffee grounds item1 8 The drives continue returning the Brew Unit to the home position as determined by the Home Position Switch Figure 4 6 Brew Unit showing compressed coffee puck ...

Page 31: ...ectronic monitors the number of the compressed pucks until a specific value is reached The electronic then displays the Empty Waste Unit message to the user 4 7 Waste Unit Present Switch The Waste Unit Present Switch is mounted to the bottom of the CVA610 housing behind the area of the Waste Unit as shown in the figure 4 7 Figure 4 7 Waste Unit Present Switch ...

Page 32: ... located at the bottom edge of the Waste Unit Figure 4 8 Waste Unit 1 Magnet for Waste Unit Present Switch Note On newer manufactured Waste Units an additional magnet is present to keep the waste unit attached to the metal frame inside the appliance The magnet for the Waste Unit Present Switch remains in the same location ...

Page 33: ...e water for the coffee hot water and steam When the water tank is fitted in position the sealing ring presses upward so water cannot leak Figure 4 9 Water Tank 1 Valve Assembly When the Water Tank is removed from the appliance a spring forces the sealing ring into a position so water cannot flow from the tank ...

Page 34: ...float is then installed into the Water Tank as shown in figure 11 item 1 Figure 4 11 Water Level Switch Float With the Water Tank installed and containing at least 900 1000 milliliters of water the Water Level Switch contacts are closed When the water level drops below the minimum quantity the Water Level Switch contacts open At this time the quantity incoming water is monitored by the Electronic ...

Page 35: ... the Grinding Ring Item 2 The gap is set via the Adjustment Lever Item 5 on the Adjustment Ring Item 3 The smaller the gap the finer the grind of coffee will be Figure 4 12 Grinder Assembly Warning To avoid binding the grinder adjustments should be made in small steps 1 Grinding cone 2 Grinding ring 3 Adjustment ring 4 Intake worm gear 5 Adjustment lever 6 Handle ...

Page 36: ...ts the drive between the motor and the grinder Refer to figure 4 13 The Grinder Motor item 1 drives the Mounting item 3 via the Carriers item 2 This rotary force transfers through the Balls item 5 to the Grinder Cone Item 6 Figure 4 13 Components of the Grinder Overload Protection 1 Grinder motor 2 Carrier 3 Mounting 4 Spring 5 Ball 6 Grinding cone 7 Washer 8 Intake worm gear ...

Page 37: ...ked the Balls get pressed into the Mounting as shown below in figure 4 14 Item C resulting in the drive force being interrupted A Normal operation B Overload protection activated C Force transfer interrupted Figure 4 14 Grinder cone ball positions under various operating conditions ...

Page 38: ...y of ground coffee changes Each position along the setting alters the coffee quantity by about 0 5 grams The grinder fills the dispenser container with ground coffee When the dispenser container is full the Dispenser Switch is activates and the grinder motor is switched off 1 Dispenser Lever 2 Dispensing Switch 1S13 3 Catch Switch Dispensing 4 Catch Coil Dispensing 5 Coil Dispensing 1L1 6 Spring 7...

Page 39: ...g the initial activation the ground coffee drops into the brew unit The second activation is to ensure no loose grounds block the channel as the wiper passes and loosens any ground coffee residues If the dispenser container is not filled i e no coffee beans the Dispenser Switch is not activated and the Fill Coffee Beans message is displayed ...

Page 40: ... Plate The locking mechanism Switch Lug Item 3 activates the Brew Unit Present Switch Item 4 The Drive Shaft Item 6 engages with the Percolator Drive Shaft Socket Figure 4 17 Components of the Brew Unit Drive Assembly 1 Drive Shaft Socket 2 Socket 3 Locking Mechanism Switch Lug 4 Brew Unit Present Switch 5 Coffee Hot Water Heater Nozzle 6 Drive Shaft ...

Page 41: ...nit Drive Shaft Socket The drive gear The drive shaft cog wheel has two switch actuators Items 2 5 for the limit switches for the brew position and home position The electronic unit registers the brew position and the home position via the limit switches Items 1 and 7 1 Switch home position switch 2 Switch actuator home position 3 Bearing bush 4 Brew unit drive motor 5 Switch actuator brew positio...

Page 42: ...sure does not improve beverage quality The pump is fitted with a safety valve which opens at 16 bar system pressure If pressure is too high water is passed from the safety valve via a hose to the fitting plate and from there to the housing under the percolator unit The water is then passed through the door rear panel to the drip tray The pump is connected in series with a temperature limiter The t...

Page 43: ...hes the quantity of water that has flowed and stores the figure Approx 300 pulses from the flow meter indicate a flow of 100 ml water The electronic unit controls the required water quantity for beverage preparation and ensures that it remains constant The service mode can be used to check the proper operation of the flow meter 4 16 Heater Data Coffee Hot Water Heater 1R1 1R2 Voltage 220 240 V Pow...

Page 44: ...heater element item 7 The Steam Heater has consist of one heater element figure 4 21 Item 3 Each Heater uses a temperature sensor Item 5 that provides signals to the Electronic to monitor the temperature and control the cycling switching of the Heater Element s Additionally each Heater assembly is equipped with a Temperature Monitor Item 3 connected electrically in series with the element Should t...

Page 45: ...lt the fuse blows and interrupts power to the element s Should this fuse be blown the cause must be located and resolved before replacing the fuse Figure 4 21 Steam Heater 2R1 1 Temperature monitor thermostat 2 Temperature safety fuse 3 Heater element 4 Connector Pressure system to steam valve in door 5 Connector Pressure system from steam valve solenoid valve 6 PTC Temperature sensor 2R30 ...

Page 46: ...r tank 2 Sealing ring 3 Water filter 4 Flow meter 5 Pump 6 Valve Safety 7 Drain hose Excess pressure 8 Through flow heater Coffee 9 Outlet to brew unit nipple 10 Valve Steam solenoid valve 11 Valve Hot water solenoid valve 12 Through flow heater Steam 13 Valve Steam in door 14 Frothing nozzle ...

Page 47: ...ot water Water exiting the Water Pump is pumped under pressure through the Flowmeter through the Coffee Heater and through the Hot Water Valve and Hot Water Outlet 4 18 4 Water Path Steam Water flows the same as the hot water system except the water exiting the Coffee Hot Water Heater is routed via Steam Solenoid into the Steam Heater Steam exits the Steam Heater and exits via the Steam Valve and ...

Page 48: ... water tight This ensures air does not entering the water path and disrupt the proper flow and pressure and water does leak from the system Figure 4 23 Heater Drainage Nipple The two o rings that form the seal to the brew unit can be accessed and replaced from the front inside area of the appliance once the brew unit removed To access the upper seal or for service on the valve the Heater Assembly ...

Page 49: ...Technical Information 39 CVA610 Coffee System 4 20 Electronic Assembly Figure 4 24 Preview of Electronic Board Assembly For further information on the electronic modes refer to section 6 Fault Diagnosis ...

Page 50: ...Technical Information 40 CVA610 Coffee System ...

Page 51: ... lid screws as shown in Figure 5 1 2 Remove the lid Figure 5 1 Lid and securing screws 5 2 Mains Filter Z1 Removal 1 Perform Lid removal 5 1 2 Remove the mains filter nut Figure 2 Item 1 3 Remove the Filter 4 Disconnect the mains filter electrical connections Figure 5 2 Mains Filter Z1 Mounting Location ...

Page 52: ...e System 5 3 Rear Panel Removal 1 Remove the lid 5 1 2 Remove the Mains Filter 5 2 3 Remove the fixing screws from the rear panel 4 Disconnect the earth lead from the rear panel 5 Remove the rear panel upwards Figure 5 3 Rear Panel Removal ...

Page 53: ...em 5 4 Adjustment Slide Switch Frame Removal 1 Open the door 2 Pull off the slide switch knobs 3 Press the retaining lugs inwards with a small screwdriver Figure 5 4 4 Remove the frame Figure 5 4 Removing the Adjustment Slide Switch Frame Bezel ...

Page 54: ...oval Refer to figure 5 5 below 1 Remove the lid 5 1 2 Open the door 3 Disconnect the door switch connections 4 Press the switch retaining lugs inwards with a small screwdriver 5 Remove the door switch to the front Figure 5 5 Door Switch shown with appliance door in open position ...

Page 55: ... Check if water is present in the drip tray with a finger through the opening under the water container 6 If water is present remove it via a suitable device tool 7 Remove the percolator unit 8 Remove the coffee beans from their container 9 Remove the base plate fixing screws 10 Tilt the unit onto its rear 11 Remove the base plate and disconnect its earth lead Figure 5 6 Base Plate Removal ...

Page 56: ...Technical Information 46 CVA610 Coffee System 5 7 Drip Tray Removal 1 Remove the Lid Mains and Rear Panel 5 1 to 5 3 2 Remove the Base Plate 5 6 3 Remove the drip tray Figure 5 7 Drip Tray ...

Page 57: ...ow Switch Actuator Float Removal 1 Remove the Lid Mains and Rear Panel 5 1 to 5 3 2 Remove the Base Plate 5 6 Note The orientation of the float before removal ensure it is re installed in the same direction 3 Remove the Float Figure 5 8 Overflow Switch Float ...

Page 58: ...erflow Switch B8 3 Removal 1 Remove the Lid Mains and Rear Panel 5 1 to 5 3 2 Remove the overflow switch fixing screw Figure 9 Item 1 3 Remove the overflow switch 4 Disconnect the overflow switch connections from the electronic Figure 5 9 Overflow Switch ...

Page 59: ...ver and remove it 3 Turn the lamp tube 90 in the direction to remove the lamp Figure 5 10 Fluorescent Lamp Access and Removal 5 11 Lamp Starter Removal Refer to the figure 5 11 below 1 Open the door 2 Unclip the neon tube cover and remove it 3 Turn the starter in the direction of the arrow 4 Remove the starter Figure 5 11 Starter Removal ...

Page 60: ... CVA610 Coffee System 5 12 Rear Door Panel Removal Refer to figure 5 12 1 Open the door 2 Remove the upper rear panel fixing screws Item 1 3 Remove the lower rear panel fixing screws Item 2 Figure 5 12 Rear Door Panel Removal ...

Page 61: ...ascia Panel Cover Removal 1 Open the door 2 Remove the Rear Door Panel 5 12 3 Remove the cover fixing screws Figure 12 Item 3 4 Remove the cover Figure 5 13 Fascia Panel Cover Assembly 1 Fascia 2 Cable guide 3 Fixing screws 4 Cover 5 Magnet 6 Cable guide ...

Page 62: ...ve the Rear Door Panel and Fascia Panel Cover 5 12 5 13 3 Disconnect the connections from the selector switch 4 Remove the switch knob Item 9 5 Remove the selector switch with its housing from the fascia 6 Remove the selector switch fixing screws 7 Remove the selector switch from its housing Figure 5 14 Selector Switch ...

Page 63: ...ect the connections from the electronic Item 7 5 Remove the electronic unit fixing screws Item 6 6 Remove the electronic unit 7 Remove the display module fixing screws Item 3 Figure 5 15 Rear View of Front Door with Rear Panel Removed 1 Pushbuttons 2 Display module 3 Display module fixing screws 4 Display module and electronic unit connection 5 Control and power modules connection 6 Electronic uni...

Page 64: ...he fixing screws from the white panel under and behind the nozzle 4 Remove the white panel Note The two fixing screws for the moveable coffee dispensing nozzle are on the rear of the dispenser unit 5 Remove the 2 screws from the coffee dispensing nozzle by hand 6 Pull out the hose Item 6 from the outlet Item 7 7 Pull out the moveable coffee dispensing nozzle Item 9 to its end stop 8 Unclip the out...

Page 65: ...e coffee dispensing nozzle Item 9 in the cover Item 10 3 Clip the outlet Item 7 in the cover Item 10 Note The two fixing screws for the coffee dispensing nozzle should be tightened by hand only as they can easily be over tightened 4 Fit the Coffee Dispensing Nozzle in the frame Using a suitable bit tighten the two fixing screws by hand 5 Refit the white panel and screw it in position ...

Page 66: ...holder fixing screws Item 3 5 Remove the holder 6 Remove the steam generator switch screws Item 10 7 Remove the steam generator switch 8 Disconnect the steam generator switch connections Figure 5 17 Components of Steam Valve and Steam Valve Switch 1 Switch Steam generator S79 2 Underlay 3 Fixing screws Holder 4 Fixing screws Valve housing 5 Holder 6 Valve housing Steam 7 Valve insert Steam 8 Switc...

Page 67: ...alve Y12 5 19 Hot Water Nozzle Removal Refer to figure 5 18 1 Open the door 2 Remove the Rear Door Panel and Fascia Panel Cover 5 12 5 13 3 Loosen the nut Item 2 4 Remove the holder Item 5 5 Unscrew the sleeve Item 1 from the connector Fig 6 6 Pull out the hot water nozzle Item 3 from the connector Figure 5 18 Hot Water Valve Components ...

Page 68: ...offee quantity to medium 3 Set the coffee medium size temperature to medium standard setting 4 Set the number of pulses for the flow meter for 1 coffee to 350 standard setting see Diagnosis mode 5 Prepare 3 coffees medium size one after the other 6 When the fourth coffee is being dispensed hold the sensor probe directly in the flow of coffee If the temperature at the coffee dispenser is 171o F 194...

Page 69: ... the brew unit still cannot be easily removed continue as follows Refer to figures 5 19 and 5 20 1 Open front door Remove the waste container 2 Locate the Philips screw Figure 19 Item 2 3 Remove the Philips screw 4 Use a small flat tip screwdriver to left up on the retaining tab Figure 20 5 Grasp the brew unit handle and pull the brew unit out till the connection socket on the brew unit Figure 19 ...

Page 70: ...Technical Information 60 CVA610 Coffee System Figure 5 19 Brew Unit 1 Connection Socket 2 Retaining Screw Figure 5 20 Brew Unit Connection Socket Retaining Screw and Retaining Tab ...

Page 71: ...w unit 5 25 Brew Unit Cleaning Procedure Note Clean the brew unit by hand only The moving parts and the rubber gaskets SHOULD NOT be cleaned in a dishwasher Lubricate the brew unit with silicon every 500 cups see Lubricating the brew unit 1 Remove the waste unit The brew unit can only be removed after the waste unit has been taken out 2 Grasp the brew unit by the handle and press with the thumb on...

Page 72: ...n be removed for thorough cleaning 3 Remove the brew unit 4 Fit a 5mm Allen Wrench to the connection point in the brew unit Turn counterclockwise while supporting the chrome filter from below Remove the filter by lifting it from the brew unit 5 Access the second filter by placing a long shaft Philips Screwdriver through the center of the funnel and remove the screw in the center of the filter 6 Ma...

Page 73: ... via the Technical Support Center at 1 800 999 1360 1 Remove the waste unit 2 Take out the brew unit and put the detergent tablet in the brew unit funnel Fig 5 23 Figure 5 23 Cleaning tablet being placed into the brew unit funnel 3 Return the brew unit and waste unit to the appliance and close the door 4 Set a 3 cup 25 oz container under the coffee dispensers 5 Press the rinse pre warm button The ...

Page 74: ...ount of water will flow out the coffee dispensers After a pause more water will flow out This process will run 4 times dispensing 2 cups 17 oz of hot water The whole process lasts about 5 minutes At the end of the cleaning cycle the display will read The brew unit is now clean and ready to use ...

Page 75: ...rrect lubricant Miele P N 5132001 is used for this procedure Lubricant is available through the Miele Technical Support Center at 1 800 999 1360 2 Refer to figure 5 24 below lubricate the following A joints B axel C tracks D gasket Figure 5 24 Brew unit lubrication points 3 Refer to figure 25 below lubricate the following E bolt assembly F joints Figure5 25 Brew unit lubrication points 4 Re Instal...

Page 76: ...gure 5 26 3 Press on the latch A and press the funnel down B 4 Push the connection piece to the far left position C 5 Press PRESS once Figure 5 26 Moving the brew unit to home position 6 The home position Figure 27 after resetting the Brew Unit The Brew Unit can now be reinstalled into the appliance Figure 5 27 Brew unit in reset position ...

Page 77: ... Remove the output 4 Remove the spring with Creamer Valve 5 31 Brew Unit Handle Removal 1 Remove the Brew Unit from the appliance 2 Press the handle retaining lugs inwards Figure 5 28 3 Remove the handle Figure 5 28 Brew Unit Highlighting the Output Assembly Covers the Creamer Valve and the Retaining Lugs Securing the Handle to the Assembly ...

Page 78: ... locking lug Figure 29 Item 1 so that the funnel is no longer raised 3 Lever the funnel upwards out of its holder Figure 5 30 Note When refitting the Funnel ensure the spring Figure 5 30 Item 1 is seated correctly Figure 5 29 Rear of Brew Unit highlighting the funnel lock Figure 5 30 Front of Brew Unit showing spring location and holder ...

Page 79: ...Remove the Brew Unit from the appliance 2 Remove the funnel 5 32 3 Remove the bottom filter screw and filter Figure 5 31 Items 1 2 Figure 5 31 Releasing the ram from the bottom of the Brew Unit 4 Unclip the lever from the ram 5 Pull the ram outward to remove from the brew unit ...

Page 80: ... 32 ram and bottom filter by hand with warm water without detergent then dry 7 Apply silicone grease to the ram lubrication points Figure 5 33 Item 3 Figure 5 32 Brewing unit chamber inside the brew unit assembly Figure 5 33 Ram assembly 1 Filter Screw 2 Filter 3 Lubrication points ...

Page 81: ...5 34 Water Tank Level Indicator Float Removal 1 Open the door 2 Remove the Water Tank 3 Lever off the cap from the Water Tank level indicator 4 Remove the Water Tank level indicator Figure 5 34 Removing the cap to access the float in the Water Tank ...

Page 82: ...ystem 5 35 Water Tank Valve Sealing Ring Removal 1 Open the door 2 Remove the Water Tank Figure 5 35 Levering off the Lip Seal Cap 3 Lever off the Lip Seal Cap Figure 35 4 Remove the Lip Seal Figure 16 Item 1 Figure 5 36 Removing the Lip Seal ...

Page 83: ...VA610 Coffee System 5 36 Lower Section of Tank Valve Removal 1 Open the door 2 Remove the Water Tank 3 Lip seal removal 4 Remove the lower part of the valve fixing screws Figure 37 Item 1 Figure 5 37 Water Tank Lip Seal Removal ...

Page 84: ...0 Coffee System 5 Remove the Bottom Plate and Drip Tray 5 6 5 7 6 Disconnect the lower part of the valve connections 7 Remove the lower part of the valve Figure 5 38 Underside view of the CVA610 with Base Plate and Drip Tray removed ...

Page 85: ...Bean Container Removal 1 Open the door 2 Remove the Beans Container end stop screw Figure 39 3 Hold a suitable vessel under the container to collect the beans that will fall from the opening in the Beans Container Figure 5 39 Removing the Bean Container ...

Page 86: ... 37 3 Remove the Waste Container Brew Unit and Water Tank 4 Remove the Top Lid 5 1 5 Remove the screws Figure 5 40 Item 2 6 Remove the guide and carrier Figure 5 40 Item 1 Note When refitting first fit the carrier Figure 5 40 Item 1 in position and then fit the guide on the carrier Figure 5 40 Removing the Beans Container guide ...

Page 87: ...1 Open the door 2 Remove the Beans Container 5 37 3 Remove the Waste Container Brew Unit and Water Tank 4 Remove the Top Lid 5 1 5 Remove the Beans Container Guide removal 5 38 6 Set the Grinding Adjustment Lever to the mid setting Figure 5 41 Accessing the grinder 7 Pull off the handle Figure 5 41 Item 1 8 Remove the adjustment lever fixing screws Figure 5 41 Item 2 9 Remove the lever ...

Page 88: ...igure 5 42 Upper Section of Grinder 1 Adjustment Ring 2 Carrier 3 Bracket 11 Remove the bracket Figure 5 42 Item 3 12 Remove coffee residues e g with a vacuum cleaner Note The grinding cone fixing screw has a left hand thread 13 Remove the grinding cone fixing screw Figure 5 43 Item 1 by turning it clockwise 14 Remove the intake worm gear Figure 5 43 Item 2 15 Remove the washer Figure 5 43 Item 3 ...

Page 89: ...0 Carriers 11 Felt ring 12 Grinder motor Note When the grinding cone Figure 5 43 Item 6 is removed the balls Figure 5 43 Item 8 may stick to it and then fall off Refer to figure 5 43 16 Remove the grinding cone Item 6 17 Remove the balls Item 8 18 Remove the mounting Item 7 19 Remove the springs Item 9 20 Remove the carriers Item10 21 Remove the felt ring Item 11 Figure 5 43 Grinder ...

Page 90: ...g cone fixing screw Item 1 has a left hand thread 9 Tighten the grinding cone fixing screw Item 1 counter clockwise Ensure the intake worm gear coupling has engaged properly Note Before setting the grinder remove all coffee from the grinder 10 Fit the bracket Item 3 11 The blue marking on the carrier Item 2 has the same position as the blue marking on the adjustment ring item 1 both point toward t...

Page 91: ...ove the Top Lid 5 1 5 Remove the Beans Container Guide 5 38 6 Adjustment slide switch frame removal 5 4 7 Remove the adjustment lever fixing screws 8 Remove the adjustment lever 9 Remove the cover fixing screws Figure 5 44 Item 4 10 Remove the cover Note Mark the polarity of the plug Figure 5 44 Item 1 connected to the electronic unit Figure 5 44 Accessing the grinder for complete removal ...

Page 92: ...ards from the dampers Figure 5 45 Item 2 1 Motor holder 2 Damper 3 Mounting plate Figure 5 45 Grinder coupling Note When refitting the grinder the dampers should be seated in the mounting plate and motor holder to ensure the grinder coupling is set to an optimal position and grinder noise is kept to a minimum ...

Page 93: ...1 Remove the Top Lid 5 1 2 Remove the Rear Panel 5 3 3 Remove the Beans Container 5 37 4 Remove the Beans Container Guide 5 38 5 Press the coil retainers outwards Slide the coil upwards out of the guide 6 Disconnect the coil connections 5 44 Dispenser Switch Removal 7 Remove the Top Lid 5 1 8 Remove the Rear Panel 5 3 9 Remove the Beans Container 5 37 1 Remove the Beans Container Guide 5 38 2 Remo...

Page 94: ...Unit Drives Home Positioning 1 Remove the Brew Unit from the appliance 2 Re install the Waste Unit 3 Close the door 4 Turn the selector switch to one of the operating settings 5 Allow the drives to reset into the home position 5 46 Waterpath Flowmeter Check ...

Page 95: ...source of the leak Caution The Heaters are hot during this test and hot water under pressure could leak from the system 1 Fill the Water Tank 2 Place the appliance into the Service Mode 3 Quickly turn the selector knob to the Programming position 4 Press and hold all three coffee buttons check for signs of leakage dripping squirting etc hold buttons as long as necessary 5 Release the three coffee ...

Page 96: ... and hold all three coffee buttons check for signs of leakage dripping squirting etc 12 Release the three coffee buttons to end the test 5 48 Water Connections Releasing Danger Risk of burning or scalding Components may be hot Pressurized Steam could exist in the system Before any service work is performed allow time to cool Refer to Figure 5 47 below 1 Remove the retaining spring Item 1 2 Pull ou...

Page 97: ...essary 2 Fit the Sealing Rings on the hose 3 Insert the Hose into the Connector 4 Fit the Retaining Spring behind the Pressed On Ring 5 Ensure the Hose cannot be pulled from its Connector Note The Pressed On Rings cannot be replaced as a separate component Should replacement be necessary the hose as an assembly must be replaced ...

Page 98: ...Technical Information 88 CVA610 Coffee System ...

Page 99: ...age German Dutch Portuguese Spanish English Italian or French Rinsing on off Water hardness hardness levels 1 to 4 Temperature long coffee minimum low medium high maximum Temperature coffee minimum low medium high maximum Temperature short espresso coffee minimum low medium high maximum Pre brewing on off Pre grinding off on Program hot water off on Total coffee number of coffee servings Descaling...

Page 100: ...n the following page turn the selector knob to the desired position 3 Release the SMALL COFFEE and HOT WATER buttons 4 Press the applicable button to activate the function listed Acknowledgement Indicator The following is an example indicates the appliance is in the Service Mode The display indicates the switches currently actuated 1 Brewing position switch brew unit drives 2 Home position switch ...

Page 101: ...ee Button Test 1 displayed Med Coffee Button Test 2 displayed Small Coffee Button Test 3 displayed Hot Water Button Test 5 displayed LIGHT Rinse Button Test 4 displayed Large Coffee Drive motor ON till Brew Position Switch is contacted Med Coffee Drive motor ON reverse direction till Home Switch is contacted Small Coffee Grinder ON Hot Water not used ON W LIGHT Rinse Dispenser Solenoid ON Large Co...

Page 102: ...container is empty OR The grinder may be jammed Add coffee beans to the beans container Clean the conical grinder top of grinder BREW UNIT MISSING Brew unit is not installed OR Not installed correctly Reinstall the brew unit Check brew unit present switch DESCALING Perform the Descale Procedure WASTE UNIT MISSING Waste unit is not installed OR the waste unit is not installed correctly Re install t...

Page 103: ...lower pan and locate repair source of leak Check level switch for proper operation FILL WATER TANK The water tank level switch is not actuated water tank float is below the switch level Refill the water tank Check that float and switch operate EMPTY WATERTANK Check that flowmeter is plugged into the correct position of the electronic WARMING UP Appliance is warming up as warming up the in the disp...

Page 104: ...the appliance i e shutting the door and turning on the power 1 Perform the manual removal procedure 2 Inspect the brew unit and or drives to locate fault 6 6 Brew Unit Can t be installed Ensure the handle section marked PRESS is pressed during installation of the Brew Unit This area is only pressed during removal of the Brew Unit The brew unit is not in the starting home position Perform the Brew ...

Page 105: ...k for ground coffee between the grinding ring and grinding cone The ground coffee may have clogged the gap between the ring and cone 1 Set the adjustment lever to the finest setting possible 2 Prepare a coffee 3 Set the adjustment lever to a finer setting Advise the customer the grinder should only be adjusted in small increments ...

Page 106: ...Technical Information 96 CVA610 Coffee System ...

Page 107: ...Technical Information 97 CVA610 Coffee System ...

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