Nespresso Citiz Service Manual page 3

6 Maintenance
...................................................................................................... 38
6.1 Daily maintenance and cleaning ...................................................................... 38
6.1.1 Before first coffee or at the start of day .................................................. 38
6.1.2 After last coffee or at the end of day....................................................... 39
6.1.3 Milk frother of model Citiz & milk ............................................................ 40
6.2 Descaling ......................................................................................................... 41
6.2.1 Descaling procedure for models Citiz and Citiz & milk ........................... 41
6.2.2 Descaling procedure for model Citiz & Co.............................................. 45
7 Troubleshooting
7.1 Check list for coffee machine (all models) ....................................................... 49
7.2 Check list for milk frother ................................................................................. 51
8 Repairs
............................................................................................................... 52
8.1 Safety instructions ........................................................................................... 52
8.2 Repair and mounting tips ................................................................................. 52
8.3 Tools and accessories ..................................................................................... 55
8.4 Platform disassembly ­ model Citiz.................................................................. 56
8.4.1 General disassembly .............................................................................. 56
8.4.2 Replacing water tank connector ............................................................. 59
8.4.3 Replacing mains switch .......................................................................... 60
8.4.4 Replacing power cord ............................................................................. 62
8.4.5 Removing core unit................................................................................. 64
8.5 Platform disassembly ­ model Citiz & milk ....................................................... 67
8.5.1 General disassembly .............................................................................. 67
8.5.2 Replacing water tank connector ............................................................. 71
8.5.3 Replacing milk frother connector ............................................................ 73
8.5.4 Replacing mains switch .......................................................................... 74
8.5.5 Replacing power cord ............................................................................. 75
8.5.6 Removing core unit................................................................................. 77
8.6 Platform disassembly ­ model Citiz & Co......................................................... 80
8.6.1 General disassembly .............................................................................. 80
8.6.2 Replacing water tank connector ............................................................. 84
8.6.3 Replacing mains switch .......................................................................... 85
8.6.4 Replacing power cord ............................................................................. 87
8.6.5 Removing core units ............................................................................... 89
8.7 Disassembly of core unit, C ­ range................................................................. 91
8.7.1 General disassembly .............................................................................. 91
8.7.2 Replacing compact brewing unit............................................................. 96
8.7.3 Replacing pump...................................................................................... 98
8.7.4 Replacing flow meter ............................................................................ 101
8.7.5 Replacing automatic priming device (APD) .......................................... 102
8.7.6 Replacing thermoblock with NTC sensor and fine wire fuse(s) ............ 104
8.7.7 Replacing electronic control board with button prints ........................... 107
8.8 Disassembly of core unit, D ­ range............................................................... 109
8.8.1 General disassembly ............................................................................ 109
8.8.2 Replacing electronic control board with button prints ........................... 116
8.9 Wiring diagrams ............................................................................................. 118
8.9.1 Wiring diagrams ­ model Citiz............................................................... 118
8.9.2 Wiring diagrams ­ model Citiz & milk, EF 485 / 486 ............................. 124
8.9.3 Wiring diagrams ­ model Citiz & Co, EF 487 / 488 ............................... 128
............................................................................................... 49
Citiz service manual
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