During the last 'beep', I saw that the 'Gas Shed Airflow' and 'Main Relay' light went red on the Gas System Interlock Status panel. They are green again now.
I also see that the fault light is on for the second Hydrogen "group" of
LEDs in the 'Target Flammable Gas Sensors' panel.
A copy of this log entry has been emailed to: segal@jlab.org