System problems

When a system error occurs, one or more of the following can happen:

The screen blanks out, and then an error message appears in the message area. See Recovery actions for an error message in the message area.
There is an abnormal lack of console activity. See Recovery actions for a lack of console activity.
Messages IEA405E and IEA404A appear, to indicate that console messages are backed up. See Console message backups.