0006

Memory Module Hardware Fault

Allen-Bradley · MicroLogix 1400 Programmable Controllers

What does 0006 mean?

A hardware fault has occurred within the memory module itself, or the installed memory module is not compatible with the controller's current operating system (OS). This prevents proper operation or program loading.

Common Causes

  • Memory module hardware faulted.
  • Memory module is incompatible with the OS.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Upgrade the controller's OS using ControlFLASH™ to ensure compatibility with the memory module.

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Verified technical data. Last updated: March 2026

Related Faults

Source: Allen-Bradley MicroLogix 1400 Programmable Controllers