Allen-Bradley 1756-L61 User Manual page 43

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
state of the controller.
Rockwell Automation Publication 1756-UM001O-EN-P - October 2014
Install the 1756-L6x Controller
for more information that is related to the
Chapter 2
43