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
Upgrade the controller's OS using ControlFLASH™ to ensure compatibility with the memory module.
Verified technical data. Last updated: March 2026
Related Faults
Source: Allen-Bradley MicroLogix 1400 Programmable Controllers