24594

Equipment Phase Unscheduled or Inhibited

Allen-Bradley · Logix 5000 Advanced Process Control and Drives

What does 24594 mean?

The PATT instruction cannot take ownership of the equipment phase because it is currently in an unscheduled or inhibited state, or the task containing the equipment phase is inhibited.

Common Causes

  • The operational state of the equipment phase or its controlling task is preventing ownership acquisition.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Verify the scheduling and inhibition status of the equipment phase — ensure it is scheduled and not in an inhibited state.

  2. 2

    Check the status of the controller task containing the equipment phase — confirm the task itself is enabled and not inhibited.

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Verified technical data. Last updated: March 2026

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Source: Allen-Bradley Logix 5000 Advanced Process Control and Drives