User manual

Rockwell Automation Publication 1756-UM001O-EN-P - October 2014 43
Install the 1756-L6x Controller Chapter 2
5. Verify that the controller is flush with the power supply or other installed
modules.
6. Verify that the top and bottom latches are engaged.
After you have inserted the controller into the chassis, you can reference the
Troubleshoot the Module
on page 183 for more information that is related to the
state of the controller.