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Jun 2001
Error Codes and Internal Diagnostics
Agilent 6890 Gas Chromatograph Service Manual
Faults 850
Fault 205—Signal DSP RAM broken
Fault 205—Signal DSP RAM broken
Status message: Sig DSP RAM broken
The detector’s signal processing electronics are not functioning correctly.
This indicates a malfunction with the 6890 GC main PC board. The signal
path will not function.
❐ Turn the instrument on and then off at least one time. If the error still
occurs, the mainboard must be replaced.
Fault 206—Signal DSP registers
Status message: Sig DSP registers
The detector’s signal processing electronics are not functioning correctly.
This indicates a malfunction with the 6890 GC main PC board. The signal
path will not function.
❐ Turn the instrument on and then off at least one time. If the error still
occurs, the mainboard must be replaced.
Fault 207—Sig DSP data corrupt
Status message: Sig DSP data corrupt
The detector’s signal processing electronics are not functioning correctly.
This indicates a malfunction with the 6890 GC main PC board.
❐ Turn the instrument on and then off at least one time. If the error still
occurs, the mainboard must be replaced.
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