Rockwell Automation 1769-L23E-QB1B_L23E-QBFC1B_L23-QBFC1B CompactLogix Packaged Controllers Quick Start and User Manual - Manual (Page 49)

Publication IASIMP-QS010B-EN-P - October 2009 49
Prepare the Computer, Network, and Controller Chapter 2
During the firmware
upgrade, these Progress
dialog boxes display 2 or
3 times.
Do not take any action
while these status
dialog boxes display.
These status changes
indicate that the
packaged controller is
self-cycling (Polling for
power-up) and
continuing with the
firmware upgrade
(Transmitting block).
Status change.
Status change.
The Upgrade Status dialog box
indicates that the firmware upgrade
has been successfully completed.
11. Click OK.
12. To close the ControlFlash utility,
click Cancel and then click Yes.