3.30 Vibrations in induction furnace mode 64
3.31 Analysis cycle stops too early 64
3.32 Chopper motor doesn‘t rotate 65
3.33 Sample burns but no peak on the screen 65
3.34 IR signal does not come down to the base line at the end of analysis 66
4 Adjustments 70
4.1 Gas flow controller-adjustment and jumper settings 70
4.1.1 Flow controller for induction furnace operation 70
4.1.2 Flow controller for resistance furnace operation 73
4.2 Infrared base line adjustments 75
4.2.1 Infrared cell modification - general information 75
4.2.2 General test points 78
4.2.3 Test points IR-ranges 79
4.2.4 Base line adjustments. 80
4.2.5 Infrared cell board IRC1.x sections assignment 80
4.2.6 Voltage of a base line is too high (higher than 9.5V) 81
4.3 IR source voltage setting 83
4.4 Infrared cell temperature regulation 84
4.5 Pneumatics 86
4.6 Pressure regulation 90
4.7 Closing cone adjustment 92
4.8 Linearity correction 93
4.9 Induction generator control 94
4.10 Resistance furnace 96
4.10.1 Setting the furnace regulation card TH 43 / TH 44 96
4.10.2 Furnace regulation board TH 43 / TH 44 97
4.11 Thermocouple testing 98
5 Service 99
5.1 IR-paths, cleaning and replacing 99
5.2 Infrared electronics 100
5.2.1 Removing the IRC-board 100
5.2.2 Changing the IR-source 101
5.3 Chopper 102
5.4 Leak checking 104
5.5 Solenoid valves cleaning 108
5.6 Flow sensor replacement 110
5.7 Gas pump replacement 111
5.8 Thermocouple replacement 112
5.9 Gas saving mode 114
5.10 Gas saving also for resistance furnace 115
5.11 Furnace pneumatics - additional safety features (optional) 116
5.12 Halogen trap - installing 117
6 Miscellaneous 118
6.1 Ordering numbers 118
6.1.1 Front side 118
6.1.2 Left hand side 120
6.1.3 Right hand side 122
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