Miele CVA615 manual

TECHNICAL INFORMATION CVA615 Coffee System © 2007 Miele USA[...]

Technical Information CVA615 Coffee System CVA615 Coffee System – Table of Contents 1.0 Construction and Design ......................................................................... 9 1.1 Appliance Overview ................................................................................... 9 1.1.1 Front View ..................................[...]

Technical Information CVA615 Coffee System CVA615 Coffee System – Table of Contents (continued) 4.20.3 Water Path – Hot Water .............................................................. 43 4.20.4 Water Path – Steam ................................................................... 43 4.21 Water Valve ......................................[...]

Technical Information CVA615 Coffee System CVA615 Coffee System – Table of Contents (continued) 5.37 Beans Container Guide - Removal .......................................................... 87 5.38 Grinder - Disassembly ............................................................................. 88 5.39 Grinder Assembly – Basic Setting .....[...]

Technical Information CVA615 Coffee System CVA615 Coffee System – List of Figures Figure 1-1: Front Overview CVA615 ............................................................................... 9 Figure 1-2: CVA Controls .............................................................................................. 10 Figure 1-3: Interior View o[...]

Technical Information CVA615 Coffee System CVA615 Coffee System – List of Figures (continued) Figure 5-1: Lid with Screws........................................................................................... 47 Figure 5-2: Interference Suppression Filter (Z1) Mounting Location ............................ 48 Figure 5-3: Rear Panel Removal ..[...]

Technical Information CVA615 Coffee System CVA615 Coffee System – List of Figures (continued) Figure 5-43: Beans Container Guide .............................................................................. 87 Figure 5-44: Grinder - Disassembly ................................................................................ 88 Figure 5-45: Grind[...]

Technical Information CVA615 Coffee System CVA615 Coffee System – List of Tables Table 6-1: Programming Mode Navigation .................................................................. 98 Table 6-2: Service Mode Navigation .......................................................................... 100 Table 6-3: Displayed Messages (Continued on [...]

Technical Information CVA615 Coffee System 1.0 Construction and Design 1.1 Appliance Overview 1.1.1 Front View 1 Hot Water Dispenser 2 Coffee Dispensers (Heigh t-Adjustable) 3 Handle to Open Appli ance Front 4 Steam Selector 5 Steam Nozzle with Milk Frother 6 Drip Catch Figure 1-1: Front Overview CVA615 9[...]

Technical Information CVA615 Coffee System 1.1.2 Controls 7 Program Selector 8 Message Window 9 Coffee Serving Buttons 10 Rinse / Pre-Warm Button 11 Hot Wa ter Button Figure 1-2: CVA Controls 1.1.3 Interior (Front of Appliance Opened) 12 Coffee Bean Container 13 Slide Control to S elect Fineness of Ground C offee 14 Slide Control to S elect Quantit[...]

Technical Information CVA615 Coffee System 1.2 Technical Data Product Dimensions Figure 1-4: CVA615 Product Dimensions Electrical Information The appliance comes equipped with a 6ft (1.8 m) power cord with a NEMA 5-15P molded plug for connection to a 120 V, 15 A, 60 Hz power supply. 11[...]

Technical Information CVA615 Coffee System 1.3 Layout of Components Overhead View of Main Components Figure 1-5: CVA615 Overhead View of Components 1 Waste Container 2 Brew Unit 3 Grinder 4 Water Tank 5 CPU Electronic Board 6 Drive Assembly (Mounte d to Wall) 7 Drive Assembly Co ve r 8 Hot Water / Coffee Heater 9 Water Pump 10 Flowmeter 11 Steam He[...]

Technical Information CVA615 Coffee System 2.0 Installation Refer to the Installation section of the Operating Manual. Figure 2-1: Operating Manual 13[...]

Technical Information CVA615 Coffee System 3.0 Commission and Operation 3.1 General Operation 3.1.1 Preparing Coffee 1. Place a cup under both coffee dispensing ports. Figure 3-1: Cup Under the Dispensing P orts 2. Press the desired size coffee button once. This will start the preparation cycle. Figure 3-2: Pressing the Coffee Button The following [...]

Technical Information CVA615 Coffee System 3.1.2 Canceling the Preparation Press any one of the coffee buttons to stop preparation immediately. Figure 3-4: Canceling the Preparation Process 3.1.3 Steam Control Caution: The steam from the appliance is extremely hot; use caution to prevent burns. • Turn the steam ON by turning the Steam Selector co[...]

Technical Information CVA615 Coffee System 3.1.4 Hot Water 1. Place a cup under the hot water dispenser. Figure 3-6: Placement of Cup Und er the Hot Water Dispenser 2. Press the hot water button. Hot water will be dispensed. 3. Press the hot water button again to stop the flow of hot water. Figure 3-7: Hot Water Button Note: If programmed with the [...]

Technical Information CVA615 Coffee System 3.1.5 Adjusting the Coffee Grinder Controls  Slide to the left for finer grinding.  Slide to the right for coarser grinding. Figure 3-8: Grinder Controls  If the espresso flows too quickly into the cup, the beans may have been ground too coarsely. The grinder should be adjusted to a finer setting.[...]

Technical Information CVA615 Coffee System 3.1.6 Filling the Coffee Beans Container 1. Open the appliance door. 2. Carefully slide the container out so that the lid is visible. 3. Lift the lid. 4. Fill the container with coffee beans to about 1" f rom the top. 5. Close the lid and push the container back into p lace. 6. Shut the appliance door[...]

Technical Information CVA615 Coffee System 3.1.7 Filling the Water Tank The water tank must be washed and filled with fresh drinking water each day. A reminder will appear in the message window 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 contain[...]

Technical Information CVA615 Coffee System 4.0 Description of Function 4.1 Door Switch The door switch, removes power to the appliance when the door is opened. Refer to Figure 4-1 – Door Contact Switch (S24). Figure 4-1: Door Contact Switch (S24) 4.2 Overflow (Reed) Switch The overflow switch is in the lower section of the appliance case. The flo[...]

Technical Information CVA615 Coffee System 4.3 Brew Unit – Cleaning and Care The Brew Unit is a mechanically operated component that is subjected to high forces. After a long period of use, the Brew Unit may become clogged. To ensure correct operation of the Brew Unit, it is essential to clean it regularly and apply silicone grease to the moving [...]

Technical Information CVA615 Coffee System 4.5 Connection of Brew Unit to Drive Mechanism 1 Drive Shaft Socket 2 Water Connection Socket 3 Locking Mechanism Switch Lug 4 Brew Unit Switch 5 Water Nozzle 6 Drive Shaft Figure 4-3: Brew Unit Connections Operation Refer to Figure 4-3 – Brew Unit Connections. When the Brew Unit is placed into in the ap[...]

Technical Information CVA615 Coffee System 4.6 Brewing Procedure 1. The grinder fills the dispenser housing until ful l (as determined by the dispenser switch). 2. The grinder is then switched off. 3. The dispenser flap opens twice (two clicks) via the dispenser solenoid assembly. 4. The ground coffee then falls into the brew unit via the funnel. F[...]

Technical Information CVA615 Coffee System 1 Outlet 2 Top Filter 3 Compressed Coffee 4 Water Nozzle So cke t 5 Bottom Filter Figure 4-5: Brew Unit Components 24[...]

Technical Information CVA615 Coffee System Refer to Figure 4-6 – Brew Unit, Showing Compressed Coffee “Puck”. 7. As the drive begin to move back toward the starting (home) position the coffee chamber moves upward and releases the used compressed coffee grounds (puck). Pos. 1. 8. The drive continues and returns the brew unit to its starting (h[...]

Technical Information CVA615 Coffee System 4.7 Grounds Container After coffee has been prepared, the coffee groun ds compressed puck falls into the waste container. The electronic monitors the number of the compressed pucks. After a specific amount is reached, the message “Empty waste unit” is displayed. 4.8 Waste Unit Present Switch A reed swi[...]

Technical Information CVA615 Coffee System The actuating magnet (Figure 4-8, Item 1) for the Waste Unit switch is fitted in the bottom edge of the container. The electronic monitors whether the waste unit is installed. 1 Magnet for Presen t Switch Actuation Figure 4-8: Waste Unit When the appliance is placed into the Service Mode, the top line of t[...]

Technical Information CVA615 Coffee System 4.9 Water Tank Refer to Figure 4-9 – Water Tank. The Water Tank holds the water required for the brewing of the coffee, hot water and steam. When the Water Tank is installed, the sealing ring is pressed upwards allowing water to flow out. 1 Va lve Assembly Figure 4-9: Water Tank When the tank is removed [...]

Technical Information CVA615 Coffee System 4.10 Water Level Switch The Water Level Switch is located within the housing (as shown in Figure 4-10, Item 1). Figure 4-10: Water Level Switch The actuating magnet for the Water Level Switch is located in the Water Tank as shown below (Figure 4-11, Item 1). Figure 4-11: Water Level Switch Float 29[...]

Technical Information CVA615 Coffee System When the water tank is installed, and contains at least 30-33 ounces of water; the Water Level Switch is activated and its contacts close. If the water quantity drops below the minimum quantity, the water level switch is no longer activated and the contacts open. After the switch opens, the water passing t[...]

Technical Information CVA615 Coffee System 4.11 Grinder Assembly Figure 4-12: Grinder Assembly 1 Seal 2 Bracket 3 Lock Ring 4 Ring 5 Ball (3) (2mm) 6 Spring 7 Cover 8 Motor Bracket 9 Vibration Dampener (3) 10 Reinforcement Ring 11 Felt Ring 12 Cover 13 Worm Gear 14 Cone 15 Mounting 16 Ball (3) (5mm) 17 Carrier (3) 18 Motor 31[...]

Technical Information CVA615 Coffee System Refer to Figure 4-12 – Grinder Assembly. The grinding grade depends on the gap between the Grinding Cone and the Grinding Ring. The gap is set via an adjustment lever fitted to the adjustment ring. The smaller the gap, the finer the coffee grind. Warning! To avoid damage to the grinder, the grinder shoul[...]

Technical Information CVA615 Coffee System 4.12 Grinder – Overload Protection If the grinder becomes blocked, a slip coupling interrupts the drive between the motor and the grinder. Figure 4-13: Components of the Grinde r Overload Protection 1 Grinder Motor 2 Carrier 3 Mounting 4 Spring 5 Ball 6 Grinding Cone 7 Washer 8 Intake Worm Gear 33[...]

Technical Information CVA615 Coffee System Refer to Figure 4-13 – Components of the Grinder Overload Protection. The Grinder Motor (Item 1) drives the mounting (Item 3) via the carriers (Item 2). The rotary force is then transferred via the balls, (Item 5) to the grinder cone (Item 6). Should the Grinder Cone become blocked the balls are pressed [...]

Technical Information CVA615 Coffee System 4.13 Ground Coffee Dispensing 1 Dispenser Lever 2 Switch – Dispensing (1S13) 3 Catch – Switch – Dispensing 4 Catch – Coil – Dispensing 5 Coil – Dispensing (1L1) 6 Spring 7 Actuator 8 Bolt 9 Dispenser Flap 10 Wiper Figure 4-15: Coffee Dispe nsing Components By adjusting the dispenser lever (Figu[...]

Technical Information CVA615 Coffee System The grinder fills the dispenser container with ground coffee. When the dispenser container is full, the dispensing switch is actuated and the grinder motor is switched off. Figure 4-16: Dispensing Lever To fill the brew unit - the dispensing solenoid i s energized twice and the dispenser flap opens twice. [...]

Technical Information CVA615 Coffee System 4.15 Brew Unit Drives Refer to Figure 4-17 – Components of the Brew Unit Drive Assembly, Water Connection and Present Switch. When the brew unit is placed in the appliance, it locks into position. The locking mechanism switch lug (Item 3) activates the brew unit present switch (Item 4). The drive shaft ([...]

Technical Information CVA615 Coffee System Refer to Figure 4-18 – Brew Unit Drive Assembly. The drive motor (Item 1) is powered by the electronic and turns both the worm gear (Item 3) and the single-stage step-down gear (Item 4). The drive shaft cog gear (Item 5) has two switch actuators for the brew position switch (Item 6) and the home position[...]

Technical Information CVA615 Coffee System 4.16 Water Pump The pump is self-priming and can develop a pressure of up to approx. 16 bar. For espresso preparation a pressure of approx. 8 bar is required so that the water can be forced through the compressed ground coffee. A further increase in pressure does not improve beverage quality. The pump is f[...]

Technical Information CVA615 Coffee System 4.19 Flow Through Heaters The Coffee Flow Through Heater (Figure 4-19 – Hot Water / Coffee Heater) has a large heater element; and a small heater element. The Steam Flow Heater has only one heater element (refer to figure 4-20 – Steam Heater) Each Flow Through Heater has a Positive Thermal Coefficient [...]

Technical Information CVA615 Coffee System As a final measure each heating circuit uses a temperature safety fuse (Figure 4-20 – Item 3). In the event the temperature became too high due to a fault, this fuse blows and cuts the power being supplied to the heater element. Should this fuse blow, the cause must be located and resolved before the fus[...]

Technical Information CVA615 Coffee System 4.20 Water Path 1 Water Tank 8 Coffee / Hot Water Heater – Coffee 2 Sealing Ring 9 Water Valve (to Br ew Unit) 3 Water Filter 10 Valve – Steam (Sole noid valve) 4 Flow Meter 11 Valve – Hot Water (Sole noid valve) 5 Pump 12 Steam Heater 6 Valve – Safety 13 Valve – Steam (in door) 7 Drain Hose – [...]

Technical Information CVA615 Coffee System 4.20.1 Water Intake The Pump takes in water from the water tank. (The Pump is fitted with a safety valve which opens at approx. 16 bar (232 psi) system pressure. If the pressure is too high and the safety valve opens, water is drained off via a hose to the drip tray). 4.20.2 Water Path - Coffee The water i[...]

Technical Information CVA615 Coffee System 4.21 Water Valve The Water Valve is attached to the output of the Coffee / Hot Water Flow Through Heater. The valve is in a normally closed position. When the Brew Unit is driven into the brew position the valve mechanically opens and water is supplied to the Brew Unit. This connection must be air / water [...]

Technical Information CVA615 Coffee System 4.22 Electronic Assemblies 4.22.1 Power Electronic Figure 4-23: Power Electronic Board 45[...]

Technical Information CVA615 Coffee System 4.22.2 CPU Electronic Figure 4-24: CPU (Control) Electronic 46[...]

Technical Information CVA615 Coffee System 5.0 Service and Maintenance Danger! To avoid the risk of electrical shock, t he appliance should be disconnected from the power source before any service procedures are performed. 5.1 Lid - Removal 1. Remove the Lid Screws, as shown in Figure 5-1. 2. Remove the lid. Figure 5-1: Lid with Screws 47[...]

Technical Information CVA615 Coffee System 5.2 Interference Suppression Filter (Z1) - Removal 1. Perform: Lid removal – Refer to Section 5.1. 2. Remove the Mains Filter Nut (Figure 5-2 - Item 1). 3. Remove the Filter. 4. Disconnect the Mains Filter electrical connection s Figure 5-2: Interference Suppression Filter (Z1) Mounting Lo cation 5.3 Rea[...]

Technical Information CVA615 Coffee System 5.4 Adjustment Slide Sw itch 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 (Be zel) 49[...]

Technical Information CVA615 Coffee System 5.5 Door Contact Switch (S24) - Removal Refer to Figure 5-5 – Door Switch. 1. Remove the lid – Refer to Section 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[...]

Technical Information CVA615 Coffee System 5.6 Base Plate - Removal 1. Remove the Lid, Mains and Rear Panel – Refer to Sections 5.1 and 5.3. 2. Open the door. 3. Remove the Waste Container. 4. Remove the Water Tank. 5. Check if water is present in the Drip Tray with a finger throug h the opening under the water container. 6. If water is present, [...]

Technical Information CVA615 Coffee System 5.7 Drip Tray - Removal 1. Remove the Lid, Mains and Rear Panel – Refer to Sections 5.1 and 5.3. 2. Remove the Base Plate – Refer to Section 5.6. 3. Remove the Drip Tray - Refer to Figure 5-7. Figure 5-7: Drip Tray Removal 52[...]

Technical Information CVA615 Coffee System 5.8 Overflow Switch Actuator Float - Removal 1. Remove the Lid, Mains and Rear Panel – Refer to Sections 5.1 and 5.3. 2. Remove the Base Plate – Refer to Section 5.6. Note: Ensure the float is re-installed in the same direction as when it was removed. 3. Remove the float. 1 Overflow Switch Float 2 Magn[...]

Technical Information CVA615 Coffee System 5.9 Overflow Switch (B8/3) - Removal 1. Remove the Lid, Mains and Rear Panel – Refer to Sections 5.1 and 5.3. 2. Remove the Overflow Switch Fixing Screw (Item 1). 3. Remove the Overflow Switch. 4. Disconnect the Overflow Switch connections from the Electronic. Figure 5-9: Overflow Switch 54[...]

Technical Information CVA615 Coffee System 5.10 Rear Door Panel - Removal 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 5-10: Rear Door Panel - Re moval 55[...]

Technical Information CVA615 Coffee System 5.11 Fascia Panel Cover - Removal 1. Open the door. 2. Remove the Rear Door Panel – Refer to Section 5.10. 3. Remove the Cover Fixing Screws (Item 3). 4. Remove the cover. 1 Fascia 2 Cable Guide 3 Fixing Screws 4 Cover 5 Magnet 6 Cable Guide Figure 5-11: Fascia Panel Cover Assembly 56[...]

Technical Information CVA615 Coffee System 5.12 Selector Switch - Removal 1. Open the door. 2. Remove the Rear Door Panel and Fascia Panel Cover – Refer to Section 5.10 and 5.11. – Refer to Section 5.10 and 5.11. 3. Unplug the electrical connection from the Selector Switch. 4. Remove the Switch Knob (Item 9). 5. Remove the Selector Switch with [...]

Technical Information CVA615 Coffee System 5.13 Display Module Electronic - Removal 1. Open the door. 2. Remove the Rear Door Panel and Fascia Panel Cover – Refer to Section 5.10 and 5.11. – Refer to Section 5.10 and 5.11. 3. Pull off the Pushbutton Knobs (Item 1). 4. Disconnect the Connections from the Electronic (Item 7). 5. Remove the Electr[...]

Technical Information CVA615 Coffee System 5.14 Coffee Dispensing Nozzle - Removal 1. Open the door. 2. Remove the Grille and Drip Tray from the door – Refer to Section 5.7. 3. Remove the fixing screws from the white panel under and behind the nozzle. 4. Remove the white panel. Note: The two screws for the moveable coffee-dispensing nozzle are on[...]

Technical Information CVA615 Coffee System 5.15 Coffee Dispensing Nozzle - Installation Refer to Figure 5-14 – Components of the Coffee Dispensing Nozzle. 1. Slide the outlet (Item 7), onto the connection hose (Item 6). 2. Position the moveable coffee dispensing nozzle, (Item 9), in the cover (Item 10). 3. Clip the outlet (Item 7), in the cover ([...]

Technical Information CVA615 Coffee System 5.16 Steam Valve and Steam Valve Switch (S79) - Removal 1. Open the door. 2. Remove the Rear Door Panel and Fascia Panel Cover – Refer to Section 5.10 and 5.11. – Refer to Section 5.10 and 5.11. 3. Pull off the Switch Knob (Item 8). 4. Remove the holder fixing screws (Item 3). 5. Remove the holder. 6. [...]

Technical Information CVA615 Coffee System 5.17 Hot Water Nozzle - Removal 1. Open the door. 2. Remove the Rear Door Panel and Fascia Panel Cover – Refer to Section 5.10 and 5.11. 3. Loosen the nut (Item 2). 4. Remove the holder (Item 5). 5. Unscrew the sleeve, (Item 1) from the connector (Item 6). 6. Pull out the Hot Water Nozzle (Item 3), from [...]

Technical Information CVA615 Coffee System 5.19 Checking Temperatu re at Coffee Dispenser Warning! To avoid adverse operating conditions:  Do not deviate from the procedure.  Do not change any other settings or values during this procedure. 1. Set the grinding grade to medium. 2. Set the coffee quantity to medium. 3. Set the Medium Coffee tem[...]

Technical Information CVA615 Coffee System 11. Set the value to “350” as follows:  Press the Large Coffee Button to increase the value.  Press the Medium Coffee Button to decrease the value. Note: Each press of the Large or Medium Coffee will change the displayed value by 1. (i.e. 347…348…349…350) 12. Press the Small Coffee Button 1[...]

Technical Information CVA615 Coffee System 5.21 Brew Unit – Removal ( NOT in Start/Home Position) Warning! This procedure will remove the brew unit from the appliance without damages. However, after the brew unit is removed, the drives must be carefully inspected (and repaired if necessary) then placed into the start (home) position via the servi[...]

Technical Information CVA615 Coffee System 1 Connection Socket 2 Retaining Screw Figure 5-17: Brew Unit Figure 5-18: Brew Unit Conne ction Socket Retaining Screw and Locki ng Tab 66[...]

Technical Information CVA615 Coffee System 5.22 Brew Unit - Installation 1. Remove the Waste Container. 2. Slide the Brew Unit into position in the appliance until the locking mechanism engages with the mounting plate. Note: Do not press the part marked PRESS during the installation of the brew unit. 5.23 Brew Unit – Cleaning Procedure Note:  [...]

Technical Information CVA615 Coffee System 5. Rub away coffee residues from the steel filters with a sponge. 6. Dry the funnel to prevent ground coffee from sticking. 7. After cleaning press "PRESS". 8. Remove the Waste Container (if re-installed). Figure 5-20: Brew Unit Installation 9. Push the brew unit in the track straight into the ap[...]

Technical Information CVA615 Coffee System 5.25 Brew Unit – Degreasing via the Rinse Cycle Note: The natural oil found in coffee can cause the Brew Unit to clog. The message “Rinsing Cycle” will flash in the message window after 500 cups to remind you to clean the unit using “cleaning tablets”. These specialty-cleaning tablets can be purc[...]

Technical Information CVA615 Coffee System 8. Press ENTER. The display will read: RINSING CYCLE A small amount 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 dis[...]

Technical Information CVA615 Coffee System 5.26 Brew Unit - Lubrication 1. Remove the Brew Unit – Refer to Section 5.20. Note: Check that the Brew Unit is in the basic position with the funnel slightly lifted and the socket in vertical position. 2. Refer to Figure 5-22, lubricate the following: Figure 5-22: Brew Unit Lubrication Points A Joints B[...]

Technical Information CVA615 Coffee System 5.27 Brew Unit – Manual R eset to “Home Position” (with Brew Unit Not Installed in Appliance) Refer to Figure 5-24. 1. Press on the latch A; and press the funnel down B. 2. Push the connection piece to the far left posit ion C. 3. Press "PRESS" once. Figure 5-24: Moving the Brew Unit to “[...]

Technical Information CVA615 Coffee System 5.28 Brew Unit Creamer Valve - Removal 1. Remove the Brew Unit – Refer to Section 5.20. 2. Remove the output fixing screws. 3. Remove the output. 4. Remove the spring and Creamer Valve. 5.29 Brew Unit Handle - Removal 1. Remove the Brew Unit from the appliance – Refer to Section 5.20. 2. Press the hand[...]

Technical Information CVA615 Coffee System 5.30 Brew Unit Funnel - Removal 1. Remove the Brew Unit from the appliance – Refer to Section 5.20. 2. Press the Funnel Locking Lug (Figure 27, Item 1), so that the funnel is no longer raised. 3. Lever the funnel upwards out of its holder (Figure 5-28). Note: When installing the Funnel, ensure the spring[...]

Technical Information CVA615 Coffee System 5.31 Brew Unit Ram - Service 1. Remove the Brew Unit from the appliance – Refer to Section 5.20. 2. Remove the funnel. 3. Remove the bottom filter screw and filter (Figure 5-29, Items 1 and 2). Figure 5-29: Releasing the Ram from th e Bottom of the Brew Unit 4. Unclip the lever from the ram. 5. Pull the [...]

Technical Information CVA615 Coffee System 6. Clean the brewing chamber (Figure 5-30), ram and bottom filter by hand with warm water without detergent, then dry. 7. Apply silicone grease to the ram lubrication points. Figure 5-30: Brewing Unit Chambe r Inside the Brew Unit Assembly 1 Filter Screw 2 Filter 3 Lubrication Points Figure 5-31: Ram Assem[...]

Technical Information CVA615 Coffee System 5.32 Brew Unit Drives - Service 1. Disconnect the power. Allow the appliance to cool. 2. Remove the Brew Unit from the appliance – Refer to Section 5.20. 3. Remove the Waste Container from the appliance. 4. Remove the Beans Container and Beans Container Guide – Refer to Section 5.36 and 5.37. 5. Remove[...]

Technical Information CVA615 Coffee System 16. Refer to Figure 5-32 – Front Plate Assembly with Retaining Screws Locations. Remove the two Hot Water / Coffee Heater Screws; Separate the Heater from its mounting position. 17. Refer to Figure 5-32. Remove the two “Cosmetic Fixing” screws. Remove the Cosmetic Fixing from inside the appliance. Fi[...]

Technical Information CVA615 Coffee System Figure 5-33: Grinder Retaining Screws Figure 5-34: Grinder Retaining Nuts 79[...]

Technical Information CVA615 Coffee System 20. Remove the knobs from the Grinder Slide Controls. 21. Remove the Adjustment Slide Switch Frame (5.4). 22. Position the Grinder as necessary to access the Drive Cover and Drive Unit Retaining Screws. Refer to Figure 5-34 for the location of the screws. 23. Remove the two Upper Front Plate Assembly Retai[...]

Technical Information CVA615 Coffee System Service Tip: Refer to Figure 5-36. To avoid having to hold the Front Plate Assembly upward while removing the lower screws, a suitable item can be used to temporarily keep the Front Plate Assembly in an elevated position. Figure 5-36: Using a Suitable Item to Keep the Front Plate Assembly Elevated to Acces[...]

Technical Information CVA615 Coffee System 5.33 Water Tank Float - Removal 1. Open the door. 2. Remove the Water Tank. 3. Remove the cap from the Water Tank. 4. Remove the Water Tank Float. Figure 5-37: Removing the Cap to Access the Float in the Water Contai ner 82[...]

Technical Information CVA615 Coffee System 5.34 Water Tank Lip Seal - Removal 1. Open the door. 2. Remove the Water Tank – Refer to Section 5.33. Figure 5-38: Levering Off the Lip Seal Cap 3. Lever off the Lip Seal Cap. 4. Remove the Lip Seal. Figure 5-39: Removing the Lip Seal 83[...]

Technical Information CVA615 Coffee System 5.35 Lower Section of Tank Valve - Removal 1. Open the door. 2. Remove the Water Tank – Refer to Section 5.33. 3. Remove the Lip Seal (Refer to Figure 5-39). 4. Remove the lower part of the Valve Fixing Screws (Figure 5-40, Item 1). Figure 5-40: Water Tank Lip Seal Rem oval 84[...]

Technical Information CVA615 Coffee System 5. Remove the Bottom Plate and Drip Tray. 6. Disconnect the lower part of the valve connections. 7. Remove the lower part of the valve. Figure 5-41: Underside Vi ew of the CVA615 with Base Plate and Drip Tray Removed 85[...]

Technical Information CVA615 Coffee System 5.36 Beans Container - Removal 1. Open the door. 2. Remove the Beans Container End Stop Screw (Figure 5-42). 3. Hold a suitable container under the beans container opening to collect loose beans, remove the beans container. Figure 5-42: Removing the Beans Cont ainer 86[...]

Technical Information CVA615 Coffee System 5.37 Beans Container Guide - Removal 1. Open the door. 2. Perform the “Beans Container Removal” procedure. 3. Remove the Waste Container, Brew Unit and Water Tank. 4. Remove the Top Lid. 5. Remove the guide retaining screws (Figure 5-43, Item 2). 6. Remove the guide and carrier (Figure 5-43, Item 1). N[...]

Technical Information CVA615 Coffee System 5.38 Grinder - Disassembly Note: The Grinder Ring and Grinder Cone should only be replaced as a set. 1. Open the door. 2. Remove the Beans Container – Refer to Section 5.36. 3. Remove the Waste Container, Brew Unit and Water Tank. 4. Remove the Top Lid. 5. Remove the Beans Container Guide – Refer to Se[...]

Technical Information CVA615 Coffee System 9. Turn the Adjustment Ring (Figure 5-45, Item 1) counterclockwise until the blue marking aligns with the blue marking on the carrier (Figure 5- 45, Item 2). 1 Adjustment Ring 2 Carrier 3 Bracket Figure 5-45: Grinder 10. Remove the bracket (Figure 5-45, Item 3). 11. Remove the coffee residues, e.g. with a [...]

Technical Information CVA615 Coffee System Refer to Figure 5-46 – Grinder – Apart 15. Remove the Grinding Cone (Item 6). 16. Remove the balls (Item 8). 17. Remove the mounting (Item 7). 18. Remove the springs (Item 9). 19. Remove the carriers (Item 10). 20. Remove the felt ring (Item 11). 1 Grinding Cone Fixi ng Screw 2 Intake Worm Gear 3 Washe[...]

Technical Information CVA615 Coffee System 5.39 Grinder Assembly – Basic Setting Refer to Figure 5-46 – Grinder - Apart. Note: Before setting the grinder, remove all coffee from the grinder. 1. Install the Felt Ring (Item 11). 2. Install the carriers (Item 10). 3. Install the mounting (Item 7). 4. Install the springs (Item 9). 5. Install the ba[...]

Technical Information CVA615 Coffee System 5.40 Grinder Unit - Removal 1. Open the door. 2. Remove the Beans Container – Refer to Section 5.36. 3. Remove the Waste Container, Brew Unit and Water Tank. 4. Remove the Top Lid. 5. Remove the Beans Container Guide – Refer to Section 5.37. 6. Remove the Adjustment Slide Switch Frame. 7. Remove the Ad[...]

Technical Information CVA615 Coffee System 10. Remove the plug from the electronic unit. 11. Lift the grinder upwards from the dampers (Figure 5-48, Item 2). Figure 5-48: Grinder Coupling 1 Motor Holder 2 Damper 3 Mounting Plate Note: When installing the grinder, the dampers should be firmly seated in the mounting plate and motor holder. Ensure the[...]

Technical Information CVA615 Coffee System 5.43 Waterpath & Flowmeter - Testing Caution! Hot water will flow from the water spout during this procedure. 1. Fill the water reservoir. 2. Place the appliance into the Service Mode with the Selector Knob in the Programming position. Refer to Section 6 – Fault Diagnosis for further information on s[...]

Technical Information CVA615 Coffee System Figure 5-49: Test Jumper Position 4. Release all three coffee buttons. 5. Remove the jumper and reconnect JP25. 6. Press and hold all three coffee buttons. Observe the number displayed in the bottom right of display (refer to Figure 5-50). Figure 5-50: Display While in Service M ode Is the displayed value [...]

Technical Information CVA615 Coffee System 5.44 Water Path Leakage Test In the event water is present in bottom of the appliance, or a leak is suspected; the following procedure will help in locating the so urce of the leak. Caution! Heaters can be hot during this test and hot water may escape from the system. 1. Fill the Water reservoir completely[...]

Technical Information CVA615 Coffee System 5.45 Water Path Connections - Opening Danger! Risk of burning or scalding! Components may be hot. Pressurized steam may exist in the system. Before any service work is performed, allow time to cool. Refer to Figure 5-51 – Water Path Connection. 1. Remove the retaining spring (Item 1). 2. Pull out the hos[...]

Technical Information CVA615 Coffee System 6.0 Fault Diagnosis 6.1 Programming Mode The Programming Mode is designed for access by the customer to for changes various setting and change features. To access the Programming Mode, simply turn the selector knob to the “Program Mode” position The Programming Mode Consist of: Language German, Dutch, [...]

Technical Information CVA615 Coffee System 6.2 Service Mode The Service Mode is used to check the status of various input switches and operate components in the appliance. The Service Mode is designed for accessed by qualified service personnel. Initial requirements  Switch off the appliance  Ensure the front door is closed Access 1. Press an[...]

Technical Information CVA615 Coffee System Service Mode - Navigation Large Coffee Displays Water Temperatu re for Water Heater and Steam Heater in Celsius. Med Coffee Displays firmware version Small Coffee (not used) Hot Water (not used) LOCK Rinse (not used) Large Coffee Water Pump ON Med Coffee Steam Solenoid ON Small Coffee Hot Water Valve ON Ho[...]

Technical Information CVA615 Coffee System 6.3 Displayed Messages Displayed Message Information BREW UNIT BLOCKED The brew unit is dirty. The brew unit is blocked. The brew unit is Jammed. • Clean / inspect brew unit / check drives. EXPEL AIR Air is present with the water system – • Perform “Expel Air” procedure. FILL COFFEE BEANS The bea[...]

Technical Information CVA615 Coffee System Displayed Message Information WATER SYSTEM FAULT The level switch has been actuated by water b eing present in the base of the appliance. • Clear unit of water from lower pan and locate / repair source of leak. • Check level switch for proper operation. FILL WATER TANK The water tank level switch is no[...]

Technical Information CVA615 Coffee System 6.4 Fault Diagnosis When two cups of coffee / espresso are being prepared at the same time, the cups are filled unevenly.  Appliance is not level. - Level the appliance  Coffee nozzle is dirty. - Clean the coffee nozzle. Brew Unit cannot be removed from the appliance.  The brew unit is not in the [...]

Technical Information CVA615 Coffee System Grinding grade cannot be set finer (adjustment lever appears jammed)  Ground coffee is between the grinding ring and grinding cone.  The ground coffee prevents the gap between the grinding ring and grinding cone from being reduced. - Perform the following: 1. Set the adjustment lever to the finest se[...]