Rockwell Automation Logix5000 Controllers Major, Minor, and I/O Faults Programming Manual - Manual (Page 39)

Chapter 3
I/O fault codes
This chapter explains I/O fault codes and how to work with them in the Logix
Designer application.
I/O faults are indicated in the following ways.
• The I/O indicator of the controller (shown in examples below) flashes
green or red.
• I/O fault messages are indicated on the controller status display.
• The I/O status indicator and messages show in the controller status area of
the Logix Designer application. Then indicator flashes green or red and the
corresponding status message indicates an error.
Indications of I/O faults
Rockwell Automation Publication 1756-PM014G-EN-P – October 2014 39