7.2 Cleaning chemicals 69
7.3 Items required for cleaning 70
7.4 Safe working when cleaning 71
7.5 Cleaning procedures 73
7.5.1 Cool down procedure before cleaning 74
7.5.2 Cleaning instructions 76
8 Technical data 81
8.1 Technical data 82
8.2 Dimensional drawings 84
9 Diagnostics 85
9.1 Checking the condition of your appliance 86
9.2 Errors and diagnostics 89
9.3 Fault finding 96
10 Tests 100
10.1 Safe working when testing components 101
10.2 Requirements 104
10.3 Testing selected components (casing mounted) 104
10.4 High voltage components (casing removed) 113
10.5 Mains voltage components (casing removed) 116
11 Firmware 117
11.1 Firmware Updates 118
12 Replacing components 134
12.1 Safe working when replacing appliance parts 135
12.2 Overview 138
12.3 Removing / fitting the casing 143
12.4 Removing / fitting the door assembly 146
12.5 Replacing a magnetron 151
12.6 Replacing the cooling fan 156
12.7 Replacing the QTS (Quick Touch Screen) assembly 158
12.8 Replacing the SRB (Smart Relay Board) 163
12.9 Replacing the touchscreen overlay 165
12.10 Adjusting the door microswitches / interlocks 167
12.11 Replacing the stirrer motor 169
12.12 Replacing the convection fan motor 173
12.13 Replacing a transformer (high voltage) 175
12.14 Removing the convection fan motor speed controller 178
12.15 Overview - further components 180
13 Circuit boards and diagrams 185
13.1 SRB / QTS circuit boards 186
13.2 Circuit diagrams 189
14 Commissioning the appliance 191
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