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Jun 2001
Error Codes and Internal Diagnostics
Agilent 6890 Gas Chromatograph Service Manual
820 Not Ready Messages
This section lists Not Ready messages according to the type of condition the
GC has detected. The GC does not provide a popup message when a component
is not ready; instead, the not ready LED blinks and the run simply does not
begin. The messages discussed in this section correspond to those you see
when you press the
[Status] key. Not Ready messages fall into these
categories:
• Oven temperature not ready
• Temperature zones not ready
• Pressure or flow not ready
• Detector not ready
• GC in diagnostic mode
• Inlet purging
• Valves not ready
• External devices not ready
• Power failure
Oven temperature not ready
Status message: Oven temp
The GC will becomes ready to begin a run when the oven temperature remains
within 1°C of the setpoint for the equilibration time. The oven must be turned
on.
❐ The instrument is not ready until the oven is turned on and reaches its
setpoint. If the oven is unable to reach the setpoint, the GC will remain
not ready indefinitely unless the oven temperature is out of the oven
range, which will cause a shutdown.
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