Agilent Technologies 6890 Series Service Manual page 572

Fault 252—Front inlet: non-inlet module
Fault 253—Back inlet: non-inlet module
Status message: F inlet wrong module or B inlet wrong module
The module installed in a detector slot is unusable. Two things could cause
this condition:
• The module is installed in the wrong position. For example, an inlet
module might be installed in the detector position.
• If the correct module is installed, it may be malfunctioning or its EEPROM
may be unrecognized by the 6890 GC.
Make sure that the correct type of module is installed.
Fault 254—Non-aux module in pneu aux position
Status message: Aux wrong module
The module installed in aux slot is unusable. Two things could cause this
condition:
• The module is installed in the wrong position. For example, an inlet
module might be installed in the aux position.
• If the correct module is installed, it may be malfunctioning or its EEPROM
may be unrecognized by the 6890 GC.
Make sure that the correct type of module is installed.
Fault 255—Front detector: invalid det module
Fault 256—Back detector: invalid det module
Status message: F det invalid type or B det invalid type
The front or back detector module is not supported by the firmware installed
in the 6890 GC.
Jun 2001
Fault 252—Front inlet: non-inlet module
Error Codes and Internal Diagnostics
Agilent 6890 Gas Chromatograph Service Manual
Faults 850
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