Error Messages of the Safety PLC
The error messages
described in this chapter can be generated by the Safety PLC.
In case of an error on the Safety PLC, an entry is written to the error stack of the safety-related runtime (SafeOS). The 'Fail' LED on the 'Overview' page of the Safety Cockpit indicates that an error has occurred and that you can read the errors from the error stack display them here in the 'Safety PLC error messages'.
The 'Safety PLC error' editor page lists the errors which have been read from the error stack of the Safety PLC.
Click the button 
to read the error stack and display the messages.