DFS053 TERMINAL RESTARTED-PLEASE REFORMAT SCREEN
Explanation
As a result of an I/O error, a terminal that was in conversation or exclusive mode, was stopped and has now been restarted.
System action
The system continues normal processing.
Operator response
If the terminal was in conversational mode, enter a /HOLD followed by a /RELEASE command to reformat the screen with the last format sent before this message.