Miele CVA 615 Manual

TECHNICAL INFORMATION

CVA615 Coffee System

CVA615 Coffee System - Table of Contents

1.0 CONSTRUCTION & DESIGN

1.1 Appliance Overview 1

1.1.1 Front View 1

1.1.2 Controls 1

1.1.3 Interior (Front of Appliance Open) 3

1.2 Technical Data 3

1.3 Layout of Components 5

2.0 INSTALLATION

Installation Procedures 7

3.0 COMMISSION and OPERATION

3.1 General Operation 9

3.1.1 Preparing Coffee 9

3.1.2 Canceling the Preparation 10

3.1.3 Steam Control 10

3.1.4 Hot Water 11

3.1.5 Adjusting 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 (reed) Switch 15

4.3 Brew Unit – Cleaning and Care 16

4.4 Removing the Brew Unit from the Appliance 16

4.5 Connection of Brew Unit to Drive Mechanism 17

4.6 Brewing Procedure 17

4.7 Ground Container 20

4.8 Waste Unit Present Switch 20

4.9 Water Tank 22

4.10 Water Level Switch 23

4.11 Grinder Assembly 25

4.12 Grinder Overload Protection 26

4.13 Ground Coffee Dispensing 28

4.14 Dispenser Switch 29

4.15 Brew Unit Drives 30

4.16WaterPump 32

4.0 DESCRIPTION of FUNCTION (Continued)

4.17 Flow Meter 32

4.18 Heaters 32

4.19 Flow Through Heaters 33

4.20WaterPath 35

4.20.1 Water Intake 36

4.20.2 Water Path – Coffee 36

4.20.3 Water Path – Hot Water 36

4.20.4 Water Path – Steam 36

4.21 Water Valve 37

4.22 Electronic Assemblies 38

4.22.1 Power Electronic 38

4.22.2 CPU Electronic 39

5.0 SERVICE and MAINTENANCE

5.1 Lid – Removal 41

5.2 Interference Suppression Filter – Removal 42

5.3 Rear Panel – Removal 42

5.4 Adjustment Slide Switch Frame – Removal 43

5.5 Door Contact Switch – Removal 44

5.6 Base Plate – Removal 45

5.7 Drip Tray - Removal 46

5.8 Overflow Switch Actuator Float - Removal 47

5.9 Overflow Switch - Removal 48

5.10 Rear Door Panel - Removal 49

5.11 Fascia Panel Cover - Removal 50

5.12 Selector Switch - Removal 51

5.13 Display Module Electronic – Removal 52

5.14 Coffee Dispensing Nozzle - Removal 53

5.15 Coffee Dispensing Nozzle – Installation 54

5.16 Steam Valve and Steam Valve Switch – Removal 55

5.17 Hot Water Nozzle – Removal 56

5.18 Hot Water Valve - Removal 56

5.19 Checking Temperature at Coffee Dispenser 57

5.20 Brew Unit – Removal (in start / home position) 58

5.21 Brew Unit – Removal (NOT in start / home position) 59

5.22 Brew Unit – Installation 61

5.23 Brew Unit – Cleaning Procedure 61

5.24 Brew Unit – Filter Cleaning 62

5.25 Brew Unit – Degreasing via the Rinse Cycle 63

5.0 SERVICE and MAINTENANCE (Continued)

5.26 Brew Unit – Lubrication 65

5.27 Brew Unit – Manual Reset to Home (out of appliance) 66

5.28 Brew Unit Creamer Valve – Removal 67

5.29 Brew Unit Handle – Removal 67

5.30 Brew Unit Funnel – Removal 68

5.31 Brew Unit Ram – Service 69

5.32 Brew Unit Drives – Service 71

5.33 Water Tank Float – Removal 76

5.34 Water Tank Lip Seal – Removal 77

5.35 Lower Section of Tank Valve – Removal 78

5.36 Beans Container – Removal 80

5.37 Beans Container Guide – Removal 81

5.38 Grinder – Disassembly 82

5.39 Grinder Assembly – Basic Setting 85

5.40 Grinder Unit – Removal 86

5.41 Dispensing Solenoid – Removal 88

5.42 Dispenser Switch – Removal 88

5.43 Waterpath & Flowmeter – Testing 89

5.44 Water Path Leakage Test 91

5.45 Water Path Connections – Opening 92

5.46 Water Path Connections – Closing 92

6.0 FAULT DIAGNOSIS

6.1 Programming Mode 93

6.2 Service Mode 94

6.3 Displayed Messages 96

6.4 Fault Diagnosis 98

6.5 Wiring Diagram 101

CVA615 Coffee System – List of Figures

1-1 Front Overview 1

1-2 Controls Overview 1

1-3 Interior View / Door Open 2

1-4 Product Dimensions 3

1- 5 Layout of Components 5

2-1 Operating Instruction Manual (Cover) 7

3-1 Cup placed under dispenser ports 9

3-2 Pressing the Coffee Button 9

3-3 Displayed Message 9

3-4 Canceling the preparation 10

3-5 Steam Selector 10

3-6 Cup under Hot Water Dispenser 11

3-7 Hot Water Button 11

3-8 Grinder Controls 12

3-9 Adding coffee beans 13

4-1 Door Switch 15

4-2 Brew Unit in home position 16

4-3 Brew Unit connections 17

4-4 Brew Unit Filters 18

4-5 Brew Unit Components 18

4-6 Brew Unit with compressed coffee 19

4-7 Waste Unit Present Switch 20

4-8 Waste Unit and magnet 21

4-9 Water Tank and valve 22

4-10 Water Level Switch 23

4-11 Water Level Switch – Float 23

4-12 Grinder Assembly 25

4-13 Components of Grinder Overload Protection 26

4-14 Grinder ball positions 27

4-15 Dispensing components 28

4-16 Dispensing Lever 29

4-17 Brew Unit Connections 30

4-18 Brew Unit Drives 31

CVA615 Coffee System – List of Figures (Continued)

4-19 Hot Water / Coffee Heater 34

4-20 Steam Heater 34

4-21WaterPath 35

4-22 Water Valve 37

4-23 Power Electronic 38

4-24 CPU Electronic 39

5-1 Lid and screws 41

5-2 Interference Suppression Filter 42

5-3 Rear Panel 42

5-4 Removing the Slide Switch Frame 43

5-5 Door Switch 44

5-6 Base Plate Removal 45

5-7 Drip Tray Removal 46

5-8 Overflow Switch Float 47

5-9 Overflow Switch 48

5-10 Rear Door Panel Removal 49

5-11 Fascia Panel Cover Assembly 50

5-12 Selector Switch 51

5-13 Rear of Front Door without cover 52

5-14 Coffee Dispensing Nozzle Components 53

5-15 Steam Valve and Switch and Components 55

5-16 Hot Water Valve Components 56

5-17 Brew Unit Connection Socket 60

5-18 Brew Unit Connection Socket Photo 60

5-19 Brew Unit – Removal for Cleaning 61

5-20 Brew Unit – Installation 62

5-21 Cleaning tablet being placed into Brew Unit 63

5-22 Brew Unit Lubrication Points (left side) 65

5-23 Brew Unit Lubrication Points (right side) 65

5-24 Moving Brew Unit to Home 66

5-25 Brew Unit reset position 66

5-26 Brew Unit Handle Removal 67

5-27 Rear view of Brew Unit 68

5-28 Front view of Brew Unit 68

5-29 Releasing the ram from the Brew Unit 69

CVA615 Coffee System – List of Figures (Continued)

5.30 Brew Unit chamber 70

5.31 Ram Assembly and lubrication points 70

5.32 Front Plate Assembly with Drive Assembly Screw Positions 72

5.33 Grinder Retaining Screws 73

5.34 Grinder Retaining Nuts 73

5-35 Upper Front Plate Assembly 74

5-36 Using a suitable tool to keep Front Plate lifted 75

5-37 Water Tank and Float 76

5-38 Removal of the lip seal 77

5-39 Removing the lip seal (2) 77

5-40 Water Tank Lip Seal 78

5-41 Underside view of CVA615 79

5-42 Removing the Beans Container 80

5-43 Beans Container Guide 81

5-44 Grinder Adjustment Level 82

5-45 Grinder Adjustment Components 83

5-46 Grinder 84

5-47 Grinder Removal 86

5-48 Grinder Coupling 87

5-49 Test Jumper Position 90

5-50 Service Mode Display 90

5-51 Water Path Connection 92

CVA615 Coffee System - List of Tables

6-1 Programming Mode 93

6-2 Service Mode Navigation 95

6-3 Displayed Messages (1 of 2) 96

6-4 Displayed Messages (2 of 2) 97

Technical Information

CVA615 Coffee System

1.0 Construction and Design

1.1 Appliance Overview

1.1.1 Front View

Figure 1-1: Front Overview CVA615

1.1.2 Controls

Figure 1-2: CVA615 Controls

Technical Information

CVA615 Coffee System

1.1.3 Interior (Front of Appliance Opened)

Figure 1-3: Interior view of CVA615 with door opened

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