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Miele CVA615 manual 4.6Brewing Procedure

Models: CVA615

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Miele CVA615 manual 4.6Brewing Procedure

Contents

2007 Miele USA TECHNICAL INFORMATION CVA615 Coffee System CVA615 Coffee System – Table of Contents Service and Maintenance Fault Diagnosis CVA615 Coffee System – List of Figures CVA615 Coffee System – List of Figures continued Figure 5-43:Beans Container Guide Technical Information CVA615 Coffee System – List of TablesTable 6-2:Service Mode Navigation CVA615 Coffee System 1Hot Water Dispenser 1.0Construction and Design1.1Appliance Overview 2Coffee Dispensers Height-Adjustable Figure 1-2: CVA Controls 1.1.2Controls1.1.3Interior Front of Appliance Opened Electrical Information 1.2Technical DataProduct Dimensions 12Steam Solenoid Valve 13Power Electronic Board 1.3Layout of Components6Drive Assembly Mounted to Wall 7Drive Assembly Cover 8Hot Water / Coffee Heater Figure 2-1: Operating Manual 2.0Installation 3.1General Operation 3.0Commission and Operation Figure 3-5: Steam Selector 3.1.2Canceling the PreparationFigure 3-4: Canceling the Preparation Process 3.1.3Steam Control 3.1.4Hot Water Controls 3.1.5Adjusting the Coffee Grinder 3.1.6Filling the Coffee Beans Container 3.1.7Filling the Water Tank 4.0Description of Function 4.1Door Switch4.2Overflow Reed Switch Figure 4-2: Brew Unit in “Home” Position 4.3Brew Unit – Cleaning and Care4.4Brew Unit Removal from the Appliance Operation 4.5Connection of Brew Unit to Drive Mechanism 4.6Brewing Procedure 4Water Nozzle Socket 5Bottom Filter Figure 4-5: Brew Unit Components1Outlet 2Top Filter 3Compressed Coffee Refer to Figure 4-6– Brew Unit, Showing Compressed Coffee “Puck” Figure 4-7: Waste Unit Present Switch 4.8Waste Unit Present Switch4.7Grounds Container Figure 4-8: Waste Unit 1 Magnet for Present Switch Actuation 4.9Water Tank Figure 4-11: Water Level Switch Float 4.10Water Level SwitchFigure 4-10: Water Level Switch When the water tank is installed, and contains at least 30-33ounces of water; the Water Level Switch is activated and its contacts close Figure 4-12: Grinder Assembly 4.11Grinder Assembly Refer to Figure 4-12– Grinder Assembly 6Grinding Cone 7Washer 8Intake Worm Gear 4.12Grinder – Overload Protection1Grinder Motor 2Carrier 3Mounting 4Spring 5Ball CForce Transfer Interrupted ANormal Operation BOverload Protection Activated Figure 4-15: Coffee Dispensing Components 4.13Ground Coffee Dispensing 4.14Dispenser Switch 1Brew Unit Drive Shaft Socket 2Socket 4.15Brew Unit Drives3Locking Mechanism Switch Lug 4Switch – Brew Unit Present Switch Refer to Figure 4-18– Brew Unit Drive Assembly Coffee / Hot Water Heater 1R1 & 1R2 4.16Water Pump4.17Flow Meter 4.18Heaters Figure 4-19: Hot Water / Coffee Heater 4.19Flow Through Heaters 4Temperature Sensor PTC Figure 4-20: Steam Heater1Heater Element 2Thermal Fuse 3Thermostat Figure 4-21: Water Path 4.20Water Path 4.20.4Water Path – Steam 4.20.1Water Intake4.20.2Water Path - Coffee 4.20.3Water Path – Hot Water Figure 4-22: Water Valve Disassembled 4.21Water Valve 4.22.1Power Electronic 4.22Electronic Assemblies Figure 4-24: CPU Control Electronic 4.22.2CPU Electronic 5.1Lid - Removal 5.0Service and Maintenance 5.3Rear Panel - Removal 5.2Interference Suppression Filter Z1 - Removal 4.Remove the frame 5.4Adjustment Slide Switch Frame - Removal1.Open the door 2.Pull off the slide switch knobs 5.Remove the Door Switch to the front 5.5Door Contact Switch S24 - RemovalRefer to Figure 5-5– Door Switch 3.Disconnect the Door Switch Connections

5.6Base Plate - Removal 3.Remove the Drip Tray - Refer to Figure 5.7Drip Tray - Removal2.Remove the Base Plate – Refer to Section 2Magnet Inside of the Float 5.8Overflow Switch Actuator Float - Removal1Overflow Switch Float 3. Remove the float 3.Remove the Overflow Switch 5.9Overflow Switch B8/3 - Removal2.Remove the Overflow Switch Fixing Screw Item 3.Remove the Lower Rear Panel Fixing Screws Item 5.10Rear Door Panel - Removal1.Open the door 2.Remove the Upper Rear Panel Fixing Screws Item 4.Remove the cover 5.11Fascia Panel Cover - Removal2.Remove the Rear Door Panel – Refer to Section 3.Remove the Cover Fixing Screws Item 5.12Selector Switch - Removal 5.13Display Module Electronic - Removal 5.14Coffee Dispensing Nozzle - Removal 5.15Coffee Dispensing Nozzle - Installation 1.Open the door 5.18Hot Water Valve Y12 - Removal 5.17Hot Water Nozzle - Removal 5.19Checking Temperature at Coffee Dispenser 5.20Brew Unit – Removal in Start/Home Position 5.21Brew Unit – Removal NOTin Start/Home Position 1Connection Socket 2Retaining Screw Figure 5-17: Brew Unit 5.23Brew Unit – Cleaning Procedure 5.22Brew Unit - Installation 5.24Brew Unit – Filter Cleaning RINSING RINSING CYCLE 5.25Brew Unit – Degreasing via the Rinse Cycle SELECT PRODUCT READY FOR USE RINSING CYCLE 5.26Brew Unit - Lubrication Refer to Figure 5.29Brew Unit Handle - Removal 5.28Brew Unit Creamer Valve - Removal 5.30Brew Unit Funnel - Removal 5.31Brew Unit Ram - Service 1Filter Screw 2Filter 3Lubrication Points Figure 5-31: Ram Assembly 5.32Brew Unit Drives - Service 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 Figure 5-34: Grinder Retaining Nuts Figure 5-33: Grinder Retaining Screws 21.Remove the Adjustment Slide Switch Frame Service Tip 4.Remove the Water Tank Float 5.33Water Tank Float - Removal1.Open the door 2.Remove the Water Tank 3.Remove the cap from the Water Tank 4.Remove the Lip Seal 5.34Water Tank Lip Seal - Removal2.Remove the Water Tank – Refer to Section 3.Lever off the Lip Seal Cap 3.Remove the Lip Seal Refer to Figure 5.35Lower Section of Tank Valve - Removal 7.Remove the lower part of the valve 5.Remove the Bottom Plate and Drip Tray 5.36Beans Container - Removal 5.37Beans Container Guide - Removal 5.38Grinder - Disassembly 10.Remove the bracket Figure 5-45,Item Refer to Figure 5-46– Grinder – Apart 5.39Grinder Assembly – Basic Setting 5.40Grinder Unit - Removal 5.41Dispensing Solenoid - Removal 5.42Dispenser Switch - Removal 5678 34 5.43Waterpath & Flowmeter - Testing 4.Release all three coffee buttons 5.44Water Path Leakage Test 5.46Water Path Connections - Closing 5.45Water Path Connections - Opening 6.1Programming Mode 6.0Fault Diagnosis Initial requirements 6.2Service ModeAccess Acknowledgement Indicator Service Mode - Navigation

Information 6.3Displayed MessagesDisplayed Message The level switch has been actuated by water being Brew Unit cannot be removed from the appliance 6.4Fault DiagnosisBrew Unit cannot be installed Perform the following