820 Not Ready Messages
Temperature zone not ready
2 of 10
Jun 2001
Error Codes and Internal Diagnostics
Agilent 6890 Gas Chromatograph Service Manual
Temperature zone not ready
The GC has a number of heated zones in addition to the oven. These are inlets,
detectors and auxiliary, or “aux,” zones. The GC is ready to start a run when
all the zones are within 1°C of the setpoint and have maintained the setpoint
temperature for 30 seconds. A zone that is turned off is considered ready.
If a temperature zone is unable to reach the setpoint, the GC will remain not
ready indefinitely. The instrument will not shut down unless a temperature
is out of the range for the zone.
Temperature Zone Not Ready status messages:
• Front inlet temp
• Back inlet temp
• Front det temp
• Back det temp
• Aux 1 temp
• Aux 2 temp
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