OK.
I updated the driver.
about firmware, I coukdnt find any and got this message from Presonus site “The firmware in FaderPort’s made after 2011 have firmware version 1.3.8. That is the last version and is the only version needed for these FaderPorts.”
The situation is that the faderport is working and after a while, for some reason it does not. some time it is only the fader doesnt work.
on some tracks it do work. very unpreditable.