GC Not Ready Symptoms 4
Troubleshooting 67
A Gas Exceeds Pressure Setpoint or Flow
If a gas exceeds its pressure or flow setpoint, do the
following:
If using a split/splitless inlet, MMI inlet, PTV inlet, or
volatiles interface:
• Decrease the split ratio.
• Replace the split vent filter.
• Verify that the correct liner is selected (for split/splitless,
MMI and PTV inlets).
• Check the gold seal for contamination (for split/splitless
inlet).
If using an FID or NPD:
• Check for a plugged jet.
Valves:
• Check for a misaligned rotor.
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