If ring supression works then Nuki has correctly detected the ring. If not ring supression would not kick in. Also, you can check if it works correct by enabling and disabling it in your settings. If both work as intended, ring detection is wired correctly. Opening happens after the end of ring has been reached. Check if all your wires except orange are connected correctly similar to: SKS HT4600 or BS2012, compatible Nuki Opener - #53 by DominikZ