126 Agilent 7890 Series Troubleshooting
6 GC Power On and Communication Symptoms
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. Observe the GC back panel, and
look for LED indicator lights (green, yellow, or red) above the
REMOTE connector and whether they are flashing or
constant. (For older GCs, look through the slots in the GC
right side panel where shown below.) Contact Agilent for
service, and provide the display information to the Agilent
support personnel. (See also “Information to Obtain Before
Calling Agilent for Service”.)
Older GC: LEDs visible through side panel.
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