I double checked my settings and I've performed factory resets, and still I can't get the light to stay solid green.
The red and green light on the cards shows the communication between ProfiLux and Mitras. They both should flashing if the ProfiLux is communicating with the Mitras.
You can go to Illumination -> Light scenarios, enable the manual illumination and change the different illumination channels.
The Mitras should react to the changes and you should see the red and green lights on the card flashing.