Responding to error messages centered on the screen

If a console hardware error occurs, one of the following sets of messages can appear centered on the screen:

IEE170E RETRYABLE ERROR.  RECENT ACTION MAY NEED TO BE REPEATED
IEE170E PRESS THE CANCEL KEY TO RESTORE THE SCREEN
-- or --
IEE171E CONDITIONAL ERROR.  RECENT ACTION MAY NEED TO BE REPEATED
IEE171E PRESS CANCEL TO CONTINUE

Perform a CANCEL action. The CANCEL action should restore most of the screen, including messages displayed inline in the message area, the instruction line, and the warning line. The entry area and the PFK line, however, are blanked out, any out-of-line displays are erased, and the cursor is positioned to the first data entry position. Also, message numbering (if active) is terminated.

Note: If you do not perform a CANCEL action, the system rewrites the screen (same effect as CANCEL) after about 30 seconds. If a console hardware error results from keyboard input when you perform the CANCEL action, the system sees the error as a permanent I/O error.