First, make sure you have a good control over the burglar alarm system. If you are the first user, you need to register the PIN code in the Home + Security app. If another member of the household has already paired the burglar alarm system, you need to take control of it. For more information, see the tutorial: https://www.youtube.com/watch?v=_qEkuebND6U&list=PLlaDNT-XSIbcAbndD7ENMUMoSZXDKOm0o&index=5 Otherwise, check if all devices are properly connected to the network or contact your installer.