Agilent Technologies 7890A - To Verify That the FPD Flame Is Lit

110 Troubleshooting
8 Troubleshooting Tasks
To Verify That the FPD Flame Is Lit
To verify that the FPD flame is lit:
1 Remove the rubber drip tube from the detector vent.
2 Hold a mirror or shiny surface near the aluminum
exhaust tube. Steady condensation means that the flame
is lit.