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Part 1. Not Ready messages Messages
Valve not ready
The GC remains not ready until the detector with the failure is turned off. Turning
off the FID or FPD turns off the igniter, hydrogen flow, and air flow. Turning off
the NPD turns off bead voltage, hydrogen flow, and air flow. Turning off the TCD
turns off filament voltage and reference flow.
F NPD bead slewing
B NPD bead slewing
The NPD bead voltage is adjusting to a new setpoint.
Valve not ready
24V pneu valve drive
This Not Ready state means that the +24 V supply to the pneumatics valves is
actually less than +16.5 V. All valves are disabled to prevent improper operation.
When full voltage is restored, the GC becomes ready.
This Not Ready state could indicate a hardware problem.
Gas sampling valve 1
Gas sampling valve 2
The GC is not ready because the inject time or load time has not elapsed. It
becomes ready when the specified load or inject time has passed.
Multiposition valve
The multiposition valve is causing the GC to be in a not ready state for one of
the following reasons:
• The multiposition valve is not at the setpoint position. The GC remains not
ready until the valve reaches the setpoint.
• The BCD cable is missing or not plugged into the receptacle. If the cable is
missing, the valve will never become ready.
• The BCD setpoint is incorrect for the valve BCD output polarity. The valve
will most likely shutdown with Illegal Position or Not Switching shutdown
errors.
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