840 Shutdowns
Shutdown 10—Back detector fuel gas shutdown
6 of 10
Jun 2001
Error Codes and Internal Diagnostics
Agilent 6890 Gas Chromatograph Service Manual
Shutdown 10—Back detector fuel gas shutdown
See Shutdown 7—Front detector fuel gas shutdown for a list of potential
causes and solutions.
Shutdown 11—Back detector air/ref shutdown
See Shutdown 7—Front detector fuel gas shutdown for a list of potential
causes and solutions.
Shutdown 12—Back detector makeup shutdown
See Shutdown 7—Front detector fuel gas shutdown for a list of potential
causes and solutions.
Shutdown 13—Pres aux 3 shutdown
Shutdown 14—Pres aux 4 shutdown
Shutdown 15—Pres aux 5 shutdown
The specified pneumatics aux module cannot maintain the pressure setpoint.
All the detector gases shut off, and the instrument goes not ready.
See Shutdown 3—Front inlet pressure shutdown for a list of possible causes
and solutions.
Shutdown 16—Multiposition valve not switching
This message appears when the multiposition valve has tried to switch twice
without success.
The valve will shutdown and report that it is not ready (not at setpoint). Clear
the shutdown by entering a new setpoint.
The following may be causing the error.
❐ The valve is not connected to the correct valve driver or is not connected
at all. Connect the valve to the correct valve driver.
❐ The valve is stuck.
❐ The switching time is too short for the speed of the valve.
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