18-5

Motion fault occurred

Allen-Bradley · Logix 5000

What does 18-5 mean?

A general motion fault has occurred within the system. More specific information to diagnose the issue is available in the Motion Fault attribute and Motion Fault bits.

Common Causes

  • A motion fault occurred

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    See the Motion Fault attribute and Motion Fault bits for details about the fault that occurred to determine corrective action.

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Verified technical data. Last updated: March 2026

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