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001A

USER PROGRAM INCOMPATIBLE WITH OS AT POWER-UP

Allen-Bradley · MicroLogix 1400 Programmable Controllers

Hva betyr 001A ?

At power-up, the user program loaded into the controller is found to be incompatible with its Operating System (OS). This is a non-user fault preventing the controller from starting correctly, similar to a memory module incompatibility but occurring during initial program load.

Vanlige årsaker

  • Controller OS version does not support features or instructions used in the user program.
  • User program was developed for a different controller series or OS version.
  • Corrupted program download that resulted in an incompatible state.

Reparasjonssteg & Sjekkliste

Klikk på steg for å spore fremgangen.

  1. 1

    Upgrade the controller's OS using ControlFLASH to a compatible version that supports all instructions in the user program.

  2. 2

    Contact your local Rockwell Automation representative for more information about available operating systems compatible with your controller and user program.

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Verifisert teknisk data. Sist oppdatert: March 2026

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Kilde: Allen-Bradley MicroLogix 1400 Programmable Controllers