I have connected my Nuki Opener to my Koch VT40. Although the instructions in the app only show the VT42, it seems to work (mostly). The only problem I have is that when I activate Ring to Open and ring the doorbell at the apartment door, it does not open the door. However, when I use the doorbell at the apartment, Ring to Open then opens the door downstairs. I am assuming I have misswired one of the wires, does anyone have any suggestions.
Here is an image of the standard wiring before I installed the Nuki - I used the first 3 wires - White into port A (left on the adapter) and the next two for the right hand hole on the adapter.