Dr.coffee M12 - Page 5

Rev 0.1
Dr.coffee Service Manual 5
9.1.3 Grinder Error ...................................................................................................................................................................................................... 51
9.1.4 Brewer System Error .......................................................................................................................................................................................... 51
9.1.5 HMI Communication Error ................................................................................................................................................................................. 52
9.1.6 Hot Water NTC Error .......................................................................................................................................................................................... 52
9.1.7 Steam Thermo Block NTC Error .......................................................................................................................................................................... 52
9.1.8 Coffee Thermo Block Heating Overtime ............................................................................................................................................................. 53
9.1.9 Steam Thermo Block Heating Overtime ............................................................................................................................................................. 53
9.1.10 Hot Water Thermo Block Heating Overtime....................................................................................................................................................... 53
9.2 Error without Tips in the Screen ................................................................................................................................................................................... 54
9.2.1 Fail to switching on ............................................................................................................................................................................................ 54
9.2.2 No Milk .............................................................................................................................................................................................................. 54
9.2.3 No Milk Foam, Warm Milk Only ......................................................................................................................................................................... 54
9.2.4 No Coffee ........................................................................................................................................................................................................... 55
9.2.5 Software System Crashed................................................................................................................................................................................... 55
9.2.6 Leaking ............................................................................................................................................................................................................... 55
10 DISASSEMBLY & ASSEMBLY ................................................................................................................................................. 56
10.1 TOOLS ............................................................................................................................................................................................................................. 56
10.2 General Disassembly ..................................................................................................................................................................................................... 57
10.2.1 Disassemble Exterior Parts ................................................................................................................................................................................. 57
10.2.1.1 Disassemble Upper Panel ...................................................................................................................................................................................................... 57
10.2.1.2 Disassemble Rear Panel ......................................................................................................................................................................................................... 58
10.2.1.3 Disassemble Left and Right Panel .......................................................................................................................................................................................... 58
10.2.2 Disassemble Brewer Unit .................................................................................................................................................................................... 59
10.2.3 Disassemble Pressure Releasing Valve ............................................................................................................................................................... 60
10.2.4 Disassemble Drive Motor Group ........................................................................................................................................................................ 61
10.2.5 Disassemble Pinch Valve .................................................................................................................................................................................... 62
10.2.6 Disassemble Magnetic Valve Group ................................................................................................................................................................... 63
10.2.7 Disassemble Pump Group .................................................................................................................................................................................. 64
10.2.8 Disassemble Flow Meter .................................................................................................................................................................................... 65
10.2.9 Disassemble Water Inlet Valve ........................................................................................................................................................................... 65
10.2.10 Disassemble Grinder Group ................................................................................................................................................................................ 66
10.2.11 Disassemble Thermo Block ................................................................................................................................................................................. 67
10.2.12 Disassemble Water Inlet Valve ............................................................................................................................................................................ 68
10.2.13 Disassemble Power PCB...................................................................................................................................................................................... 69
10.2.14 Disassemble Cntrol Board ................................................................................................................................................................................... 69
10.2.15 Disassemble Front Panel Group .......................................................................................................................................................................... 70
11 MAINTENANCE ................................................................................................................................................................... 72
11.1 Milk Frother Cleaning .................................................................................................................................................................................................... 72
11.1.1 Method for Disassembling Milk Frother ............................................................................................................................................................. 72
11.1.2 Method for Installing Milk Frother ..................................................................................................................................................................... 72
11.2 Milk Pipe Cleaning ........................................................................................................................................................................................................ 73
11.2.1 Method of Milk Pipe Dissembling ...................................................................................................................................................................... 73