Allen-Bradley · MicroLogix 1400 Programmable Controllers
The controller experienced an unexpected reset, possibly due to electrical noise in the environment or an internal hardware malfunction. Consequently, the default program has been loaded, indicating a loss of the previously loaded user program.
Click steps to track your progress.
Review and implement proper grounding guidelines as described in the controller User Manual.
Install surge suppressors according to guidelines in the controller User Manual.
Verify that the battery is connected to the controller.