I spent a lot of hours but at least i made it works.
First at all, led colour. In my case Blue blinking? .
It was a deffective first installation which blocked kernel files which control the interface.
Reboot mac in security mode
Change to reduced security
Mark enable kernel modificstion by user and remote, both options.
Before install , unblock in system preferences, security
Install driver v 3.5
Before end installing process
Check again security system preferences and allow installation presonus software
If this message does not appear then something wrong.