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Miele CVA 620 Operating Instructions Manual

Built-in automatic coffee machine
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Operating instructions

Built-in automatic coffee machine
CVA 620
GWOZi
To avoid the risk of accidents
or damage to the machine
it is essential to read these
Operating instructions before
it is installed or used for the first time.
M.-Nr. 06 492 200

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  Summary of Contents for Miele CVA 620

  • Page 1: Operating Instructions

    Operating instructions Built-in automatic coffee machine CVA 620 GWOZi To avoid the risk of accidents or damage to the machine it is essential to read these Operating instructions before it is installed or used for the first time. M.-Nr. 06 492 200...
  • Page 2: Table Of Contents

    Contents Description of the machine ......... . 4 Caring for the environment .
  • Page 3 Contents Cleaning and care ..........45 Rinse button .
  • Page 4: Description Of The Machine

    Description of the machine External view a Hot water spout b Coffee spouts, height-adjustable c Handle to open machine front d Control dial for steam e Steam spout with milk frother f Drip tray with grilles g Selector switch h Display i Coffee portion buttons j Rinse and pre-warming button...
  • Page 5 Description of the machine Interior view l Coffee bean container m Slide control to select fineness of ground coffee n Slide control to select quantity of ground coffee o Water container p Waste unit q Brew unit Coffee glossary To help you understand the language of coffee, please read the glossary of coffee terms at the end of this instruction book.
  • Page 6: Caring For The Environment

    Caring for the environment Disposal of the packing Disposal of your old appliance material or machine The transport and protective packing Electrical and electronic appliances / has been selected from materials which machines often contain materials are environmentally friendly for disposal which, if handled or disposed of and can normally be recycled.
  • Page 7: Warning And Safety Instructions

    Warning and Safety instructions Technical safety This machine complies with all Before connecting the machine to relevant legal safety requirements. the mains supply, make sure the Improper use of the machine can, rating on the data plate corresponds to however, present a risk of both the voltage and frequency of the personal injury and material household supply.
  • Page 8 (except when it is been carried out by a suitably qualified combined with a Miele built-in plate engineer. warming drawer). Before the machine is connected, the steam control dial must be in the off position.
  • Page 9 Never place a drink with ignited Only use the descaling tablets alcohol under the steam spouts. supplied by Miele and follow the The flames could ignite plastic instructions on the packet carefully. Use components and cause fire damage.
  • Page 10 Warning and Safety instructions In countries where there are areas which may be subject to infestation by cockroaches or other vermin, pay particular attention to keeping the machine and its surroundings in a clean condition at all times. Any damage which may be caused by cockroaches and other vermin will not be covered by the guarantee.
  • Page 11: Brief Description

    Brief description Unlike standard coffee machines, this If two cups of coffee or espresso are machine has a container for coffee required at the same time, the beans so that they can be freshly appropriate coffee portion button must ground for every cup, to benefit fully be pressed twice.
  • Page 12 Brief description To ensure that the flavour can develop fully and be maintained for longer the machine has an additional function to automatically rinse and pre-warm the system. The same function is used to clean the system and the coffee spouts after use.
  • Page 13: Programming The Machine

    Programming the machine The machine can be programmed in easy stages for setting to your exact requirements. The following programming options are available: Language German, Dutch, Portuguese, Spanish, English, Italian, French Rinsing on, off Water hardness hardness 1, hardness 2, hardness 3, hardness 4 Temperature large coffee minimum, low, medium, high, maximum Temperature medium coffee...
  • Page 14 Programming the machine To programme the machine, ^ Turn the selector to the programming position. The machine is now in programming mode and will respond according to the symbols shown under the buttons. ^ By pressing the - or e button –...
  • Page 15: Choosing A Language

    Programming the machine Choosing a language The language for the commands in the display can be selected before the machine is used for the first time. ^ Turn the selector anti-clockwise to the programming position. The machine is now in programming mode and will respond according to the symbols shown under the buttons.
  • Page 16: Rinsing

    Programming the machine Rinsing To remove any coffee grounds from the system the water piping and brew unit must be rinsed through every day before the first drink is prepared. If programme "Rinsing" is set to "On" rinsing will start automatically when the machine is cold and the selector switch is set to the "On"...
  • Page 17: Setting The Water Hardness

    Programming the machine ^ Press the e button to switch rinsing on or off. It is a good idea to set this option to "On" so that the rinse process cannot be forgotten. ^ Press ENTER to save this setting, or turn the selector to "0"...
  • Page 18 Programming the machine ^ Dip the strip in your drinking water for approximately a second, then shake off any excess water. The results will be evident after about 1 minute. If the water is harder than 7.0 mmol/l or 700 mg/l (40 °d), limescale will build up more rapidy than with soft water.
  • Page 19: Selecting The Temperature For Drinks

    Programming the machine ^ Press ENTER to confirm this option. The sub-menu will appear in the display as follows: ^ Press the e button to set the water hardness level (hardness 1 - hardness 4) ^ Press ENTER to save this setting, or turn the selector to "0"...
  • Page 20 Programming the machine ^ Press the e button to highlight programming option "Temp. L coffee" for large coffee, "Temp. coffee" for medium coffee or "Temp. S coffee" for small/espresso coffee with an asterisk. A different temperature can be programmed for each drink option.
  • Page 21: Switching The Pre-Brewing Function On Or Off

    Programming the machine Switching the pre-brewing function on or When the pre-brewing function is switched on, the freshly ground coffee is first moistened with a little hot water. Then the remaining water is forced through the moistened coffee at high pressure. This pre-brewing process allows the aroma and froth on the coffee to develop to the full.
  • Page 22: Switching The Pre-Grinding Function On Or Off

    Programming the machine ^ Press ENTER to save this setting, or turn the selector to "0" to undo the alterations if a mistake has been made. This will bring you back from the sub-menu. When making coffee with the pre-brewing function switched on, the word "Pre-brewing"...
  • Page 23: Switching The Programmed Quantity Of Hot Water On Or Off

    Programming the machine ^ Press the e button to switch the pre-grinding function to On or Off. ^ Press ENTER to save this setting, or turn the selector to "0" to undo the alterations if a mistake has been made. This will bring you back from the sub-menu.
  • Page 24: Displaying The Number Of Cups Of Coffee Already Dispensed (Total Coffee)

    Programming the machine ^ Press the e button to switch the function to On or Off. ^ Press ENTER to save this setting, or turn the selector to "0" to undo the alterations if a mistake has been made. This will bring you back from the sub-menu. Displaying the number of cups of coffee already dispensed (Total coffee) Select function "Total coffee"...
  • Page 25 Programming the machine ^ Turn the selector anti-clockwise to the programming position. The machine is now in programming mode and will respond according to the symbols shown under the buttons. The following will appear in the display: ^ Press the e button to highlight programming option "Timer"...
  • Page 26: System Lock

    System lock The machine can be locked to ensure that it is not operated by unsupervised children or persons who are unacquainted with the operating instructions. Activating the system lock ^ Turn the selector anti-clockwise to the "Lock" position: The following will appear in the display: ^ Press the - button until the following appears in the display: The machine is now locked and cannot dispense.
  • Page 27: Filling The Water And Coffee Bean Containers

    Filling the water and coffee bean containers Please clean the machine thoroughly before filling the water container and the coffee bean container, (see "Cleaning and care"). Filling the water container The quality of the water plays an important part in the overall quality of the coffee.
  • Page 28 Filling the water and coffee bean containers ^ Take the lid off and fill the container with cold, clean drinking water up to a maximum of 2 cm below the top. A valve in the base of the container will ensure that no water can escape.
  • Page 29: Filling The Coffee Bean Container

    Filling the water and coffee bean containers Filling the coffee bean container Only put roasted espresso or coffee beans in the container. Anything else, including ground coffee will damage the grinder. Do not use coffee beans which have been treated with caramel, sugar or other substances. Do not put drinks containing sugar, or instant coffee in the machine.
  • Page 30: Setting The Portion Sizes

    Setting the portion sizes Important: the water piping must be rinsed through and the machine cleaned thoroughly before the first drink of coffee is prepared. Use the rinse button for this, (see "Cleaning and care"), and then prepare hot water afterwards, (see "Preparing drinks").
  • Page 31: Coffee And Espresso Cups

    Setting the portion sizes Coffee and espresso cups ^ Turn the selector clockwise to the In Operation position (with or without lighting). If the machine is still cold the display will show the following messages in succession: "Fresh water?" to remind you to fill the water container with cold, fresh drinking water.
  • Page 32: Tea Cup

    Setting the portion sizes Warning: Leave the cup under the spouts for a few seconds after the coffee has been dispensed to catch any remaining drips. ^ The procedure is the same for the other two coffee portion buttons. The volumes of water programmed in will now be dispensed every time.
  • Page 33 Setting the portion sizes ^ Place a tea cup under the hot water spout. ^ Press the hot water button d until the cup is as full as required. Then release the hot water button There will be a few seconds delay before water is dispensed.
  • Page 34: Making Coffee

    Making coffee Important: the water piping must be rinsed through every day and the machine cleaned thoroughly before the first drink of coffee is prepared. This will take place automatically if the Rinsing programme is set to "On" and the machine is cold.
  • Page 35 Making coffee The following will appear in the display: Wait until the following appears in the display: Pre-warming cups The smaller the volume of coffee/espresso, the more important it is to pre-warm the cup. ^ Place the cup under the hot water spout. ^ Press the hot water button d and half fill the cup.
  • Page 36: Small/Espresso, Medium Coffee, Large Coffee

    Making coffee ^ Press ENTER again to confirm your selection. Hot water will be dispensed from both spouts, warming the system. The following will appear in the display: ^ Place the empty, pre-warmed cup under both coffee spouts and prepare the coffee. Small/espresso, medium coffee, large coffee The size of portion dispensed by each of the coffee...
  • Page 37 Making coffee If the selector is already in this position with the message "Standby. . . " shown in the display, the machine is in energy-saving mode. Press ENTER to switch it into operation. The following will appear in the display: Wait until the following appears in the display: ^ Place a cup under both coffee spouts.
  • Page 38: To Prepare Two Cups Simultaneously

    Making coffee Cancelling preparation ^ To cancel the coffee making process, press one of the coffee portion buttons and preparation will be stopped immediately. To prepare two cups simultaneously ^ Place a cup under each of the coffee spouts. ^ Press the required coffee portion button in quick succession to bring up two cups g in the display.
  • Page 39: Cappuccino

    Making coffee Cappuccino To make cappuccino you need a china or porcelain cup, a large container such as a milk jug and milk. Cold, low-fat milk (1.5% fat) is best for creating froth and ideally it should be prepared in a cold, stainless steel jug that narrows towards the top.
  • Page 40 Making coffee ^ Position the steam spout just below the surface of the milk in the jug and slowly turn the steam control dial anti-clockwise. ^ Move the jug in circles until a thick froth has built up, then lower the spout deeper into the milk to heat the rest.
  • Page 41: Hot Water

    Making coffee Hot water When it is switched on, the machine will dispense hot water at any time for tea or other drinks. ^ Turn the selector clockwise to the In Operation position (with or without lighting). If the selector is already in this position with the message "Standby.
  • Page 42: After Use

    Making coffee After use Before switching the machine off for any length of time, the water pipes, brew unit and spouts should be cleaned to remove any residual coffee. Place a suitable container under the spouts. ^ Press the rinsing and pre-warming button e. The following will appear in the display: ^ Press ENTER again to confirm your selection.
  • Page 43: Programming The Coffee Grinder

    Programming the coffee grinder A good espresso with a thick, even froth depends not only on the quality, pressure and temperature of the water and the quality of the coffee beans, but also on the quantity of beans and how finely they are ground.
  • Page 44: Setting The Quantity

    Programming the coffee grinder To alter the grinder setting ^ push the upper slide control to the left (for finer grinding) or to the right (for coarser grinding). You should be able to feel the notches clearly when moving the slide control. If the slide refuses to move, ^ close the machine and dispense a cup of espresso coffee.
  • Page 45: Cleaning And Care

    Miele. Failure to do so can result in poor quality coffee, bacterial contamination and in extreme cases can lead to malfunction of the machine.
  • Page 46: Water Container

    Wipe dry with a soft cloth. E-Cloth A microfibre "E-Cloth" is available from the Miele UK Spare Parts Department, which is suitable for cleaning surfaces such as stainless steel, glass, plastic and chrome without the use of chemicals.
  • Page 47: Stainless Steel Fronted Machines

    Stainless steel surfaces can be cleaned using a proprietary non-abrasive cleaning agent designed specifically for use on stainless steel, or with the Miele E-Cloth. When descaling the machine wipe up any spillages of descaling agent immediately! To help prevent re-soiling, a proprietary conditioning agent for stainless steel can also be used.
  • Page 48: Stainless Steel Coloured Controls

    Cleaning and care Stainless steel coloured controls The controls may suffer discolouration or damage if soiling is left on them for too long. Remove any soiling straight away. – Do not use stainless steel cleaners on the controls. When descaling the machine wipe up any spillages of descaling agent immediately! Aluminium fronts Aluminium is affected by the way that light falls on it,...
  • Page 49: Drip Tray

    Cleaning and care Drip tray At the rear of the drip tray is a float which will protrude from the drip tray when it is full. Remove the tray and empty and clean it. However, to avoid a build-up of odours, the drip tray should be cleaned every day.
  • Page 50: Waste Unit

    Cleaning and care Waste unit Clean the waste unit daily to prevent coffee grounds from turning mouldy. There will probably also be water in the waste unit left over from the rinsing process. Lining the waste unit with one or two pieces of kitchen paper towel will make it easier to clean.
  • Page 51: Brew Unit

    Cleaning and care If the "Empty waste unit" message appears in the display window after you have just cleaned the unit out you will need to take it out of the machine and push it back into position again and then press the ENTER button.
  • Page 52: Cleaning The Steel Filters

    Cleaning and care ^ Grasp the brew unit by the handle and press the part marked PRESS with your thumb. ^ Carefully pull the brew unit out. If this can only be done with difficulty, it is not correctly positioned, (see "Problem solving guide").
  • Page 53: Lubricating The Brew Unit

    ^ Smear a little of the silicone lubricant supplied on the joints a, in the axle b on the runners c and on sealing ring d. Replacement tubes of silicone lubricant are available to order from your Miele Dealer or from the Spare Parts Dept.
  • Page 54: Rinsing Cycle: Degreasing The Brew Unit

    These have been specially formulated for use in this coffee machine. They are available from your Miele Dealer or from the Miele Spare Parts Department. To remind you to degrease the brew unit the message "Rinsing Cycle"...
  • Page 55 Cleaning and care ^ Place a container, minimum capacity 0.75 litres, under both coffee spouts. ^ Press the rinsing and pre-warming button e. (The machine must be operational and heated up, otherwise it will not react when the buttons are pressed.) The following will appear in the display: ^ Press the e button to highlight programming...
  • Page 56: Milk Frother

    Cleaning and care Milk frother Always clean the steam spout immediately after use, as it is harder to clean once milk has dried on. ^ Loosen the upper locking ring a and pull the steam spout cover downwards b. ^ Clean the cover with a mild solution of hot water and washing up liquid or in the dishwasher, then dry it.
  • Page 57: Descaling

    For descaling you should only use the descaling tablets supplied. These have been specially formulated for use in this coffee machine. They are available from your Miele dealer or the Miele Spare Parts Department. Other types of descaling agents will damage the machine and affect the taste.
  • Page 58: To Run The Descaling Programme

    ^ Open the front of the machine. ^ Remove the water container, and fill it with 2 litres of warm water (max. 50°C). Then dissolve 2 Miele descaling tablets in it. ^ Shut the lid of the water container and replace it in the machine.
  • Page 59 Descaling ^ Place a large container (approximately 1 litre) under the steam spout and turn the steam control dial anti-clockwise. The descaling process will commence automatically. The following will appear in the display: During the descaling programme do not open the front of the machine or turn the selector to "0".
  • Page 60 Descaling The following will appear in the display: The machine must now be rinsed out to remove all traces of the descaling agent. ^ Rinse the water conainer out thoroughly and then fill it with at least 2 litres of fresh, cold water and place it back in the machine.
  • Page 61: Display Messages

    Display messages The machine has an electronic safety system that reports any problems in the display. Most faults are easily recitifed. Message Cause + Effect Remedy Fill coff. beans The coffee bean container is empty. Fill the container with coffee beans. Ready for use The machine is only dispensing hot water and steam.
  • Page 62: Problem Solving

    ^ Check that the fuse is not defective and that the mains fuse has not blown. If it has, consult the Miele Service department..the lighting does not come on when the selector is turned to “In Operation with lighting”...
  • Page 63 Problem solving ^ Disconnect the machine from the mains. Switch off at the wall and withdraw the plug from the socket, or disconnect the mains fuse or remove the screw-out fuse in countries where this is applicable. ^ Open the front of the machine. ^ Insert a small screwdriver in the opening and carefully push it upwards a.
  • Page 64 Problem solving ^ Call the Service department..the coffee grinder makes less noise than usual. The coffee bean container is empty. A message will soon appear in the display. ^ Wait until the grinder makes no noise at all, then refill the bean container with beans.
  • Page 65 Problem solving . . . coffee is not dispensed, even though the beans have been ground and there is sufficient water in the water container. ^ Check whether the slide control for the fineness of the coffee is at the finest setting or if the slide control for the amount of coffee to be ground has been set at the largest amount.
  • Page 66 Problem solving . . . the heating-up time is getting longer, the amount of water coming through is incorrect and the machine is not performing properly. The machine needs descaling..no water comes out of the coffee spouts. The steel filters are dirty.
  • Page 67 Problem solving . . . the brew unit cannot be removed. The brew unit can only be removed when the waste unit has been taken out. If the brew unit is still not removable, then it is not in the right position. ^ Close the door and switch the machine on.
  • Page 68: After Sales Service

    In the event of a fault which you cannot correct yourself, or if the machine is under guarantee, please contact: – Your Miele Dealer – The Miele Service Department (see back cover for address). When contacting the Service Department, please quote the model and serial number of your machine.
  • Page 69: Electrical Connection U.k., Za, Irl

    Electrical connection U.K., ZA, IRL All electrical work should be carried out by a suitably qualified and competent person only, in strict accordance with national and local safety regulations. Installation, repairs and other work by unqualified persons could be dangerous. The manufacturer cannot be held liable for unauthorised work.
  • Page 70 Electrical connection U.K., ZA, IRL Non-rewireable plugs BS 1363 The fuse cover must be refitted when changing the fuse, and if the fuse cover is lost, the plug must not be used until a suitable replacement is obtained. The colour of the correct replacement cover is that of the coloured insert in the base of the plug, or the colour that is embossed in words on the base of the plug (as applicable to the design of plug fitted).
  • Page 71: Electrical Connection Aus, Nz

    Electrical connection AUS, NZ All electrical work should be carried out only by a suitably competent person, in strict accordance with national and local safety regulations. The machine is supplied with a mains cable with moulded plug for connection to a 230 - 240 V mains supply.
  • Page 72: Installation

    The coffee machine is designed to be built into a Miele tall unit. * only for AUS, NZ: ³ 520 mm It can also be combined with other Miele built-in appliances. If the coffee machine is to be built in above another appliance, there must be a full-width, closed shelf between them (except when it is combined with a built-in plate warming drawer).
  • Page 73 Installation The machine can also be incorporated in a mobile unit which is available to purchase.
  • Page 74: Installation

    Installation Installation Ensure power is not supplied to the machine while installation work is being carried out. The same applies should the machine ever be taken out of the housing unit. The coffee machine must be built in to be operated.
  • Page 75: Adjusting The Hinges

    Adjusting the hinges When fitting a door to the machine, or fitting it into a Miele tall unit, the hinges on the machine and the housing unit can be adjusted for alignment. ^ To adjust the door in direction a, turn screw a.
  • Page 76: Glossary

    Glossary Arabica is a high quality coffee bean. It Caffeine- the caffeine content of is long and flat with a groove running espresso is only a third or a half the around it. The caffeine content is caffeine normally found in coffee. The stronger the roast, the less caffeine the approximately 0.8 - 1.3%.
  • Page 77 Glossary Espresso lungo is the larger, less Quantity - the quantity of ground coffee concentrated version served in a used for each cup can be set between standard coffee cup. 6 and 9g per cup, depending on taste. Generally 6 to 7g are used for a cup of Espresso ristretto is a double espresso, but there are no absolute strength, bitter tasting espresso.
  • Page 80 Alteration rights reserved / 4904 M.-Nr. 06 492 200 / 00 CVA 620...