Rockwell Automation 1766-Lxxxx MicroLogix 1400 Programmable Controllers User Manual - Manual (Page 215)

Rockwell Automation Publication 1766-UM001H-EN-P - May 2014 175
Using ControlFLASH to Upgrade Your Operating System Appendix D
14. You may need to wait several seconds before the Progress dialog box is
displayed. (A typical sequence is shown below). While the download is in
progress, the RUN LED, FAULT LED and FORCE LED display a
Walking Pattern (First RUN LED ON, then FAULT LED ON and then
FORCE LED ON in sequence). When the flashing starts the POWER
LED and the FORCE LED stay solid ON.
The concurrent ControlFLASH and LCD displays during the Firmware
download are shown here.
Stage 1
The LCD displays this screen:
Stage 2