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Troubleshooting and Maintenance Guide
3
Chromatographic Symptoms
•
Fan fault has turned off the high vacuum pump (power cycle
the MSD to clear the fault)
•
Fuse for the high vacuum pump has failed
•
MSD electronics are not working correctly
There is no emission current
•
Filament is not connected properly; try the other filament
•
Filament has failed; try the other filament
•
MSD electronics are not working correctly
There is not enough signal to begin tune
•
Corrupted tune file
•
Poor mass axis calibration
•
Amu gain or offset is too high
•
Calibration vial(s) empty or almost empty
•
Excessive pressure in the analyzer chamber
•
Air leak
•
Electron multiplier voltage is too low
•
Signal cable is not connected
•
Electrical leads to the detector are not connected correctly
•
Electrical leads to the ion source are not connected
correctly
•
Filament shorted to the source body
Содержание 5975T LTM GC/MSD
Страница 1: ...Agilent Technologies Agilent 5975T LTM GC MSD Troubleshooting and Maintenance Guide...
Страница 10: ...10 Troubleshooting and Maintenance Guide...
Страница 32: ...32 Troubleshooting and Maintenance Guide 2 Concepts and General Tasks...
Страница 72: ...72 Troubleshooting and Maintenance Guide 3 Chromatographic Symptoms...
Страница 86: ...86 Troubleshooting and Maintenance Guide 5 ALS Symptoms...
Страница 98: ...98 Troubleshooting and Maintenance Guide 7 Instrument Power On and Communication Symptoms...
Страница 108: ...108 Troubleshooting and Maintenance Guide 9 Troubleshooting Tasks...
Страница 150: ...150 Troubleshooting and Maintenance Guide 10 General Maintenance Figure 16 Replacing filaments Filament 1 Filament 2...
Страница 166: ...166 Troubleshooting and Maintenance Guide 10 General Maintenance...
Страница 214: ...214 Troubleshooting and Maintenance Guide 13 Analyzer...
Страница 239: ...Parts 15 Troubleshooting and Maintenance Guide 239 Figure 39 LCP replacement parts LCP assembly and fascia...