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ErrorLib — Industrial Fault Code Library

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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.

Browse all codes in this manual (60)
Verified technical data. Last updated: April 2026

Related Faults

00D0No block-transfer response (timeout)00D1Checksum mismatch in read response00D2Read/Write request/response mismatch
Source: Logix 5000
Open Manual (Page 157)Search more codes in this manual