400021
Wait until I/O access is possible
Definitions:
I/O access is not possible at the current time.
Reaction:
Alarm display.
Remedy:
Program
Clear alarm with the Delete key or NC START.
Continuation:
400022
The PLC functionality: %2 is not permitted.
Definitions:
PLC functionality: %2
The specified PLC functionality is not supported.
Reaction:
Alarm display.
Remedy:
You are not permitted to use the specified PLC functionality.
Program
Clear alarm with the Delete key or NC START.
Continuation:
Alarms
Diagnostics Manual, 07/2010, 6FC5398-8BP40-0BA0
PLC alarms
907