ELTRA CS-2000 - Page 107

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Service

107

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Table of Contents3
Notes on Service Instructions7
Explanations of the Safety Instructions7
Discharging the Oscillator8
Faults12
Check Base Lines12
Fluctuating Gas Flow13
No Combustion18
Induction Furnace Operation18
Resistance Furnace Operation27
Bad Combustion27
Induction Furnace Operation27
Resistance Furnace Operation28
Furnace Does Not Close30
Analysis Takes too Long32
RF-Interference on the IR-Cell, or on the Electronic Units33
Additional Reasons for Excessive Analysis Duration34
One of the IR-Sources Is Unstable34
The Power Voltage Sinks below 180 VAC34
Development of Dust When Closing the Furnace35
Erratic Results35
The Results Are Always 0.0000% or 00.0Ppm37
No Oxygen Flow38
Induction Furnace Operation38
Other Faults39
Resistance Furnace Operation39
IR-Cell Temperature Control Is out of Range39
Breaker Turns off at the Beginning of Combustion39
Breaker Turns off at the End of the Analysis43
Dustcloud When Opening the Furnace44
No or Low Oxygen Pressure45
Waiting for Stability Message47
Combustion Tube Breaks Frequently48
Oxygen Pressure Falls When the Furnace Opens49
Combustion Without Starting Analysis50
Crucible or Boat Cracks or Melts52
Induction Furnace52
Resitance Furnace52
Oxygen Pressure Goes up very Slowly52
Pump Voltage too High54
Resistance Furnace Takes too Long to Warm up58
Negative Drift after Start59
Resistance Furnace Completly Cold or too Hot60
Fumes in the Resistance Furnace61
Resistance Furnace Doesn`t Reach Full Temperature62
Unstable Resistance Furnace Temperatur62
Dust or Soot from the Resistance Furnace63
Vibrations in Induction Furnace Mode64
Analysis Cycle Stops too Early64
Chopper Motor Doesn't Rotate65
Sample Burns but no Peak on the Screen65
IR Signal Does Not Come down to the Base Line at the End of Analysis66
Adjustments70
Gas Flow Controller-Adjustment and Jumper Settings70
Flow Controller for Induction Furnace Operation70
Flow Controller for Resistance Furnace Operation73
Infrared Base Line Adjustments75
Infrared Cell Modification - General Information75
General Test Points78
Test Points IR-Ranges79
Base Line Adjustments80
Infrared Cell Board Irc1.X Sections Assignment80
Voltage of a Base Line Is too High (Higher than 9.5V)81
IR Source Voltage Setting83
Infrared Cell Temperature Regulation84
Pneumatics86
Pressure Regulation90
Closing Cone Adjustment92
Linearity Correction93
Induction Generator Control94
Resistance Furnace96
Setting the Furnace Regulation Card TH 43 / TH96
Furnace Regulation Board TH 43 / TH97
Thermocouple Testing98
Service99
IR-Paths, Cleaning and Replacing99
Infrared Electronics100
Removing the IRC-Board100
Changing the IR-Source101
Chopper102
Leak Checking104
Solenoid Valves Cleaning108
Flow Sensor Replacement110
Gas Pump Replacement111
Thermocouple Replacement112
Gas Saving Mode114
Gas Saving also for Resistance Furnace115
Furnace Pneumatics - Additional Safety Features (Optional)116
Halogen Trap - Installing117
Miscellaneous118
Ordering Numbers118
Front Side118
Left Hand Side120
Right Hand Side122
Induction Furnace124
Furnace Cleaning126
Oscillating Circuit127
Infrared Cell129
Chopper131
Resistance Furnace132
Oxygen Purifying Furnace134
Dust Trap135
Wiring Diagrams137
Right Hand Side Power Wiring137
Left Hand Side Power Wiring138
Valve Wiring139
Control Signal Wiring140
IR-Current Supply, Old Version141
IR-Cell Internal Signals142
Amplitude Circle143
Gas Flow Diagrams144
Gas Flow for Induction Furnace When Furnace Is Closed144
Gas Flow for Induction Furnace When Furnace Is Open145
Gas Flow for Resistance Furnace146
Valve Contolling147
Spare Parts Kits148
Common Spare Parts Kti for All Analysers148
Spare Parts Kit for CS2000 (Including Spare Parts Kits CS800 and HTF540)150
Maintenance152
Approved Methodologies to Which Eltra Instruments Conform153
Inorganic Materials (Metals)153
Organic Materials (Oil, Coal, Foodstuffs)154
Disposal155
Index156

ELTRA CS-2000 - Page 107

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