Agilent Technologies 7250 Troubleshooting And Maintenance Manual page 30

2 General Troubleshooting
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Peaks are tailing
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Peaks are fronting
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Peaks have flat tops
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Bad signal cable connection
Filament has failed or is not connected correctly
Bad ion source wiring connection
Bad detector wiring connection
Failed MS detector
Active sites in the sample path
Injection is too large
Incorrect GC inlet temperature
Insufficient column flow
GC/MS interface temperature is too low
Ion source temperature is too low
Column film thickness mismatched with analyte concentration (column
overload)
Initial oven temperature is too low
Active sites in the sample path
Injection is too large
GC inlet pressure too high
Insufficient column flow
Insufficient solvent delay
Incorrect scale on the display
Injection is too large
7250 Accurate-Mass Q-TOF Troubleshooting and Maintenance Manual