242 Rockwell Automation Publication 5069-UM002A-EN-P - January 2019
Chapter 11 Troubleshoot the Controller
Warning Symbol in the I/O Configuration Tree
A warning symbol appears in the I/O Configuration tree when a module
fault occurs.
Figure 48 - Warning Symbol on I/O Module
Controller Status after a Module Fault
Your project configuration determines if an I/O module fault causes a
controller fault. You enable the option on the Connection category of the
Module Properties dialog box.
Figure 49 - Enable Major Fault on Controller