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ErrorLib — Industrial Fault Code Library

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24577

Invalid Command

Allen-Bradley · Logix 5000 Advanced Process Control and Drives

What does 24577 mean?

The SCMD (Equipment Sequence Command) or SOVR (Equipment Sequence Override) instruction failed because the command issued is not valid. This indicates an attempt to execute an undefined or inappropriate command for the specific Equipment Sequence, leading to an unexecutable operation.

Common Causes

  • An invalid command value was provided as an input to the SCMD or SOVR instruction.
  • The specific command is not supported by the Equipment Sequence's current configuration or definition.
  • A typo or incorrect logic in the program is generating an unsupported command value.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Verify that the command input to the SCMD or SOVR instruction is a valid and supported command for the Equipment Sequence.

  2. 2

    Consult the Equipment Sequence documentation or logic for a definitive list of valid command values and their purposes.

  3. 3

    Inspect the command generation logic for any errors or incorrect assignments that could lead to an invalid command.

Browse all codes in this manual (19)
Verified technical data. Last updated: April 2026

Related Faults

20Major Fault - Out of Range Value24578Command Invalid for Current State (PCMD/SCMD)24579HMI or Logix Designer Owns Equipment Phase
Source: Allen-Bradley Logix 5000 Advanced Process Control and Drives
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