Z Motor working wrong

[Blackdam]

Hi guys,
I submit a new problem occurred after changing the mother board of my Felix 3 printer.

After replacing the board, I have the Z motor working on wrong direction and not returning to home position anymore. If I give control to go full up, it stop a couple of centimeters before reach the optical sensor, and also when clicking to go to home position it goes down a cm and it stop, instead of go up until reach the optical sensor.

Anyone know how to help me?

Best Regards

BD