28 Agilent 7890 Series Troubleshooting
2 ALS and Detector Symptoms
FID Fails Baseline Test
If you have just performed maintenance on the FID, first verify
that the detector was reassembled properly before
troubleshooting detector problems.
If the FID fails the baseline test:
• Ensure the purity and quality of the gas.
• Replace dirty/expended chemical traps.
• Bakeout the detector.
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