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Troubleshooting and Maintenance Guide
3
Chromatographic Symptoms
Lens supply fault
•
Electrical short in the analyzer
•
MSD electronics are not working correctly
Log amplifier ADC error
•
MSD electronics are not working correctly
No peaks found
•
Emission current was set to 0
•
Electron multiplier voltage is too low
•
Amu gain or offset is too high
•
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
•
HED power supply output cable failed
•
Electrical leads to the ion source are not connected
correctly
•
Filament shorted to the source body
Temperature control disabled
•
One of the heater fuses has failed
•
MSD electronics are not working correctly
Temperature control fault
This indicates that something has gone wrong with the
temperature control of either the ion source or mass filter
(quad) heater. The cause can be further isolated by selecting
Status/MS Temp Ctlr Status
in the
Tune and Vacuum Control
view.
One of the following should be displayed as the cause:
•
Source temperature sensor is open
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...