90 Agilent 7890 Series Troubleshooting
4 GC Not Ready Symptoms
GC Never Becomes Ready
Normally the GC becomes ready after flows and temperatures
reach setpoint. If the GC does not become ready after a long
period of time:
• Press [Status] or a component key (for example, [Front inlet])
to see which setpoints or conditions are not ready.
• Check for a sampler problem.
• Check for a data system problem.
• If performing manual injections in splitless or gas-saver
mode, you may need to press [Prep Run] to prepare the inlet
for the injection. Do this, for example:
• To toggle the inlet purge valve before a splitless injection
• To prepare for a pulsed injection
• To turn off gas saver.
For more information on [Prep Run], see the Agilent 7890 GC
Advanced User Guide.
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