Chromatographic Symptoms 3
Agilent 7890 Series Troubleshooting 49
Tab le 3 Detector troubleshooting
Detector Solution
FID, FPD
• Verify that the electrometer is turned on.
• Verify that the flame is still lit.
TCD
• Verify that the filament is turned on.
• Ensure that the reference gas is not set to zero. (The
filament will not turn on with zero reference gas flow.)
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