Allen-Bradley CompactLogix 1769-L23E-QB1B Installation Instructions Manual page 32

32 CompactLogix Controller
During the firmware upgrade you see the status change as shown below.
Status Change
Continue to allow the firmware upgrade to complete without interruption.
When the firmware upgrade is complete, the Download dialog box displays and you may
continue by downloading your project to the packaged controller.
Rockwell Automation Publication 1769-IN082C-EN-P - February 2013