Agilent Technologies 7250 Troubleshooting And Maintenance Manual page 33

2 General Troubleshooting
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Poor repeatability
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7250 Accurate-Mass Q-TOF Troubleshooting and Maintenance Manual
Excessive pressure in the analyzer chamber
Dirty ion source
Air leaks between chambers
Poor filament operation
Detector is not working correctly
Incorrect mass filter polarity
Collision cell voltage
* This could cause a fault condition in the GC that would prevent the GC
from operating.
Dirty syringe needle
Dirty GC inlet
Leaking GC inlet*
Injection is too large
Loose column connections
Variations in pressure, column flow, and temperature
Dirty ion source
Loose connections in the analyzer
Ground loops
* This could cause a fault condition in the GC that would prevent the GC
from operating.
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