U service manual
Version 1.2 en
2
C O N T E N T S
1
General safety notes
.........................................................................................5
2
Main components
...............................................................................................6
2.1
Overview ............................................................................................................ 6
2.2
Interior view........................................................................................................ 7
2.3
Fluid system ....................................................................................................... 8
3
Technical data
..................................................................................................... 9
3.1
Rating plates ...................................................................................................... 9
3.1.1 Examples of brand specific rating plates ..................................................9
3.1.2 Rating plate details (example) ................................................................10
3.2
Technical specifications.................................................................................... 11
3.2.1 Dimensions and weight & size ................................................................13
4
Operation
............................................................................................................ 14
4.1
General information.......................................................................................... 14
4.2
Status indication ............................................................................................... 14
4.3
Machine modes................................................................................................ 17
4.4
Empty water system......................................................................................... 19
5
Maintenance
...................................................................................................... 20
5.1
Descaling ......................................................................................................... 20
5.1.1 Descaling procedure ............................................................................... 20
5.2
Cleaning procedure.......................................................................................... 22
6
Troubleshooting
............................................................................................... 23
6.1
Check list.......................................................................................................... 23
7
Repairs
................................................................................................................ 25
7.1
Safety instructions............................................................................................ 25
7.2
Repair and mounting tips ................................................................................. 25
7.3
Tools and accessories...................................................................................... 26
7.4
General disassembly........................................................................................ 27
7.4.1 Prepare coffee machine for disassembly ................................................27
7.4.2 Remove cover......................................................................................... 28
7.4.3 Remove front cover and drop stop..........................................................29
7.4.4 Remove slider chassis and slider unit..................................................... 30
7.4.5 Remove pivot bottom, cable bracket, power cable ................................. 32
7.4.6 Remove electronic device.......................................................................33
7.4.7 Remove flowmeter (FM) PCB .................................................................34
7.4.8 Remove high pressure connector ........................................................... 35
7.4.9 Remove pump......................................................................................... 35
7.4.10Remove brewing unit device and steam cover .......................................36
7.4.11 Remove BU housing and gear wheels....................................................37
7.4.12Remove thermoblock and capsule cage .................................................39
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