Agilent Technologies 6890 Series Service Manual page 571

850 Faults
Fault 247—Front inlet module: obsolete EEPROM
Fault 247—Front inlet module: obsolete EEPROM
Fault 248—Back inlet module: obsolete EEPROM
Status message: F inlet module rev or B inlet module rev
The front or back inlet's EEPROM is not recognized by the 6890 GC. The
module is unusable.
The version of the module is not compatible with the version of the
6890 GC.
Fault 249—Pres aux module: obsolete EEPROM
Status message: Aux module rev
The aux pressure's EEPROM is not recognized by the 6890 GC. The module
is unusable.
The version of the module is not compatible with the version of the
6890 GC.
Fault 250—Front det: non-det module
Fault 251—Back det: non-det module
Status message: F det wrong module or B det wrong module
The module installed in an inlet slot is unusable. Two things could cause this
condition:
• The module is installed in the wrong position. For example, a detector
module might be installed in the inlet 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.
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Error Codes and Internal Diagnostics
Agilent 6890 Gas Chromatograph Service Manual
Jun 2001