Agilent Technologies 7890A Troubleshooting Manual page 105

To Verify FID Ignitor Function During Ignition Sequence
WA R N I N G
Troubleshooting
Keep body parts at a safe distance from the FID chimney while
performing this task. If using hydrogen, the FID flame will not be
visible.
1 Remove the detector top cover.
Turn the FID flame On.
2
3 Observe the ignitor plug though the FID chimney. The
small hole should glow during ignition sequence.
Troubleshooting Tasks
105
8