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Miele CVA615 manual 4.3Brew Unit – Cleaning and Care, 4.4Brew Unit Removal from the Appliance

Models: CVA615

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Miele CVA615 4.3Brew Unit – Cleaning and Care, 4.4Brew Unit Removal from the Appliance, 2: Brew Unit in “Home” Position

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 Table 6-2:Service Mode Navigation CVA615 Coffee System – List of TablesCVA615 Coffee System Technical Information 1.1Appliance Overview 1.0Construction and Design2Coffee Dispensers Height-Adjustable 1Hot Water Dispenser 1.1.2Controls 1.1.3Interior Front of Appliance OpenedFigure 1-2: CVA Controls 1.2Technical Data Product DimensionsElectrical Information 6Drive Assembly Mounted to Wall 1.3Layout of Components7Drive Assembly Cover 8Hot Water / Coffee Heater 12Steam Solenoid Valve 13Power Electronic Board Figure 2-1: Operating Manual 2.0Installation 3.1General Operation 3.0Commission and Operation Figure 3-4: Canceling the Preparation Process 3.1.2Canceling the Preparation3.1.3Steam Control Figure 3-5: Steam Selector 3.1.4Hot Water Controls 3.1.5Adjusting the Coffee Grinder 3.1.6Filling the Coffee Beans Container 3.1.7Filling the Water Tank 4.1Door Switch 4.2Overflow Reed Switch4.0Description of Function 4.3Brew Unit – Cleaning and Care 4.4Brew Unit Removal from the ApplianceFigure 4-2: Brew Unit in “Home” Position Operation 4.5Connection of Brew Unit to Drive Mechanism 4.6Brewing Procedure Figure 4-5: Brew Unit Components 1Outlet 2Top Filter 3Compressed Coffee4Water Nozzle Socket 5Bottom Filter Refer to Figure 4-6– Brew Unit, Showing Compressed Coffee “Puck” 4.8Waste Unit Present Switch 4.7Grounds ContainerFigure 4-7: Waste Unit Present Switch Figure 4-8: Waste Unit 1 Magnet for Present Switch Actuation 4.9Water Tank 4.10Water Level Switch Figure 4-10: Water Level SwitchFigure 4-11: Water Level Switch Float 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 4.12Grinder – Overload Protection 1Grinder Motor 2Carrier 3Mounting 4Spring 5Ball6Grinding Cone 7Washer 8Intake Worm Gear CForce Transfer Interrupted ANormal Operation BOverload Protection Activated Figure 4-15: Coffee Dispensing Components 4.13Ground Coffee Dispensing 4.14Dispenser Switch 3Locking Mechanism Switch Lug 4.15Brew Unit Drives4Switch – Brew Unit Present Switch 1Brew Unit Drive Shaft Socket 2Socket Refer to Figure 4-18– Brew Unit Drive Assembly 4.17Flow Meter 4.16Water Pump4.18Heaters Coffee / Hot Water Heater 1R1 & 1R2 Figure 4-19: Hot Water / Coffee Heater 4.19Flow Through Heaters Figure 4-20: Steam Heater 1Heater Element 2Thermal Fuse 3Thermostat4Temperature Sensor PTC Figure 4-21: Water Path 4.20Water Path 4.20.2Water Path - Coffee 4.20.1Water Intake4.20.3Water Path – Hot Water 4.20.4Water Path – Steam 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 5.4Adjustment Slide Switch Frame - Removal 1.Open the door 2.Pull off the slide switch knobs4.Remove the frame Refer to Figure 5-5– Door Switch 5.5Door Contact Switch S24 - Removal3.Disconnect the Door Switch Connections 5.Remove the Door Switch to the front

5.6Base Plate - Removal 5.7Drip Tray - Removal 2.Remove the Base Plate – Refer to Section3.Remove the Drip Tray - Refer to Figure 1Overflow Switch Float 5.8Overflow Switch Actuator Float - Removal3. Remove the float 2Magnet Inside of the Float 5.9Overflow Switch B8/3 - Removal 2.Remove the Overflow Switch Fixing Screw Item3.Remove the Overflow Switch 1.Open the door 5.10Rear Door Panel - Removal2.Remove the Upper Rear Panel Fixing Screws Item 3.Remove the Lower Rear Panel Fixing Screws Item 2.Remove the Rear Door Panel – Refer to Section 5.11Fascia Panel Cover - Removal3.Remove the Cover Fixing Screws Item 4.Remove the cover 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 1.Open the door 2.Remove the Water Tank 5.33Water Tank Float - Removal3.Remove the cap from the Water Tank 4.Remove the Water Tank Float 2.Remove the Water Tank – Refer to Section 5.34Water Tank Lip Seal - Removal3.Lever off the Lip Seal Cap 4.Remove the Lip Seal 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 Access 6.2Service ModeAcknowledgement Indicator Initial requirements Service Mode - Navigation

6.3Displayed Messages Displayed MessageInformation The level switch has been actuated by water being 6.4Fault Diagnosis Brew Unit cannot be installedBrew Unit cannot be removed from the appliance Perform the following