Booting Issue

[andrew.kelley]

What does the screen show while it is stuck booting?

Is it a blue screen? If so, it may be in service mode.

This post discusses how to collect diagnostics from a PLC in service mode.

Service Mode - What is it and how to collect diagnostics

What is Service Mode? Service mode means that no task classes are running on the PLC. The application program is not running; the PLC is halted. There are three reasons why a PLC goes into service mode: The Reset button is pressed on the PLC The “Stop Target” command is sent from Automation Studio A critical error occurred at runtime Points 1 & 2 are intentional actions by the user, so the reason for service mode is known. If a critical error occurs on the PLC which sends it into service mode…