2 Replies Latest reply on Jul 24, 2018 4:21 AM by mr.white

    GC 7890A - FID shutdown after failure to reach airflow setpoint - any advice?

    blackbud

      Hello,

       

      I cannot keep the FID on for any length of time before it shuts itself down. We are using Hydrogen. The setpoint for air flow is at 400 mL/min, but the instrument is barely reaching 300 mL/min before it shuts down the FID.

       

      I am a novice at troubleshooting GCs, so I'm not even certain where to begin. Any advice? What should I be looking at?