51

Fault Queue Cleared

Allen-Bradley · PowerFlex 700

What does 51 mean?

No fault displayed. This entry is used as a marker in the Fault Queue, indicating that the clear queue function was performed. It records the action of clearing the entire fault history.

Common Causes

  • The drive's entire fault queue has been cleared.
  • A command to erase all historical fault data was executed.
  • This is an informational marker in the fault log.
  • Indicates the historical fault log has been reset.
  • Used for logging operational sequences rather than an error.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    This is an informational log entry, no corrective action is required for this specific 'fault'.

  2. 2

    Clear the fault log to remove this entry if it is not relevant.

  3. 3

    Note that all historical fault data has been erased.

  4. 4

    Ensure the fault queue clear command was intentionally issued.

  5. 5

    Proceed with diagnosing any currently active faults.

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Verified technical data. Last updated: March 2026

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