Technical Information
3
CVA 610/CVA 615 Coffee Systems
4.20.1 Power Electronic (CVA 615) ......................................................................... 35
4.20.2 CPU Electronic (CVA 615) ............................................................................ 36
4.20.3 CVA 610 CPU Electronic .............................................................................. 37
5.0 Service and Maintenance ................................................................................. 38
5.1 Lid Removal ........................................................................................................ 38
5.2 Interference Suppression Filter (Z1) Removal .................................................... 38
5.3 CPU Electronic Removal (CVA 610) ................................................................... 39
5.4 Power Electronic Removal (CVA 615) ................................................................ 39
5.5 Control Electronic Removal (CVA 615) ............................................................... 39
5.6 Rear Panel Removal ........................................................................................... 39
5.7 Adjustment Slide Switch Frame Removal ........................................................... 40
5.8 Door Contact Switch (S24) Removal .................................................................. 41
5.9 Base Plate Removal ............................................................................................ 41
5.10 Drip Tray Removal .............................................................................................. 42
5.11 Overflow Switch Actuator Float Removal ............................................................ 43
5.12 Overflow Switch (B8/3) Removal ........................................................................ 43
5.13 Fluorescent Light Removal (CVA 610) ................................................................ 44
5.14 Light Starter Removal (CVA 610) ........................................................................ 45
5.15 Halogen Light Removal (CVA 615) ..................................................................... 45
5.16 Rear Door Panel Removal .................................................................................. 46
5.17 Fascia Panel Cover Removal .............................................................................. 46
5.18 Selector Switch Removal .................................................................................... 47
5.19 Selection/Display Electronic Removal ................................................................. 47
5.20 Dispenser Assembly Removal ............................................................................ 48
5.21 Dispenser Assembly Installation ......................................................................... 49
5.22 Steam Valve and Steam Valve Switch (S79) Removal ....................................... 50
5.23 Hot-Water Nozzle Removal ................................................................................. 50
5.24 Hot-Water Valve (Y12) Removal ......................................................................... 51
5.25 Coffee Temperature Check ................................................................................. 51
5.26 Brew Unit Removal (in Start/Home Position) ...................................................... 52
5.27 Brew Unit Removal (NOT in Start/Home Position) .............................................. 52
5.28 Brew Unit Installation .......................................................................................... 54
5.29 Brew Unit Cleaning Procedure ............................................................................ 54
5.30 Brew Unit Filter Cleaning .................................................................................... 55
5.31 Brew Unit Degreasing via the Rinse Cycle ......................................................... 56
5.32 Brew Unit Lubrication .......................................................................................... 57
5.33 Brew Unit Manual Reset to “Home” Position (Brew Unit Not Installed in
Appliance) ........................................................................................................... 57
5.34 Brew Unit Output Removal .................................................................................. 58
5.35 Brew Unit Handle Removal ................................................................................. 58
5.36 Brew Unit Funnel Removal ................................................................................. 59
5.37 Brew Unit Ram - Service ..................................................................................... 60
5.38 Accessing the Brew Unit Drive ............................................................................ 62
5.38.1 CVA 610 ....................................................................................................... 62
5.38.2 CVA 615 ....................................................................................................... 63
5.39 Water Tank Float Removal ................................................................................. 67
5.40 Water Tank Seal Removal .................................................................................. 67
5.41 Lower Section of Tank Valve - Removal ............................................................. 68
5.42 Beans Container Removal .................................................................................. 69
5.43 Beans Container Guide Removal ........................................................................ 69
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