There are a number of issues that could explain that.  The first thing that comes to mind is:

• You may not have communication with the board?  Make sure you establish communication using the UCxx Utility software.
• You may just need to invert the active high/low for the input pins.

You may want to open a support ticket in our website and we will give you a hand with this:

https://cnc4pc.com/contact/

I would have opened the ticket for you, but could not find an order under your name.