Nuki Opener makes the doorbell on the appartment door quite - Questions - Nuki Developers

Hi, I installed a Nuki Opener successful at my home. It works fine for the door bell of the house door (ground floor). But the door bell in the third floor is not working anymore. What is wrong? I attached photos with the wiring and the intercom model. Thanks for your help! Jan

Geek Smart Fingerprint Door Lock - Biometric Door Knob Fingerprint Door Knob Keyless Entry Door Locks with Handle Door Lever for Homes/Apartments/Office/AirBnB/Hotels (Silver)

Nuki Opener review: A smarter intercom to complement your smart lock

Nuki Opener - Smarten up your intercom.

Best Smart Locks of 2024 - CNET

How to connect my apartment building's front door buzzer to my cell phone - Quora

Opener: permanently ringing - Questions - Nuki Developers

Nuki Opener makes the doorbell on the appartment door quite - Questions - Nuki Developers

Use two Nuki Opener on the same intercom/Nuki Bridge - Questions - Nuki Developers

Nuki opener doesnt ring not working - Discussion - Nuki Developers

Smart Door Lock, Proscenic Keyless Entry Door Lock with Handle, Fingerprint Door Locks Support WiFi & Bluetooth, Touchscreen Electronic Door Locks with Keypads for Front Door,Bedroom,Home,Hotel,Airbnb