4 • Troubleshooting
Doc. 065051-03 1/08 113
• [390] Received invalid command from DSP.
Possible Causes: Communication between the CPU and the DSP
was corrupted.
Actions: Turn off the power and then turn on the power again. If
the message reappears, contact Dionex.
• [391] Schedule error. Specified schedule does not exist.
Possible Causes: The schedule selected to run has not been
saved.
Actions: Create the new schedule or select an existing schedule.
• [398] Battery backed up RAM failed data validation test. Setting
system parameters to defaults and initializing schedule and
method database.
Possible Causes:
• Temporary short on CPU board
• Dead battery on CPU board
• Malfunctioning power supply
Actions: If a temporary short is suspected, the AS can still be
operated. You will need to re-enter any method and schedule
information and customized system setup parameters. If the
problem persists, contact Dionex.
• [408] Recoverable motion error occurred in X-axis
Possible Causes: An error occurred during X-axis movement of
the sampling arm. The DSP was able to recover from the error
and continue the motion.
Actions: Occasional occurrences of this error can be ignored. If
the problem persists, contact Dionex.
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