Agilent Technologies 7890A - GC Turns On, Then Stops During Startup (During Self-Test)

GC Power On and Communication Symptoms 6
Troubleshooting 83
GC Turns On, Then Stops During Startup (During Self-Test)
If the GC turns on but the normal display does not appear:
1 Turn the GC power switch Off. Wait one minute, then turn
the GC power On.
2 If the GC does not return to normal, record any messages
that appear on the display and contact Agilent for service.