Siren sounded during power cut

During a power outage, with the alarm set to away, our neighbors said the siren went off. The siren is hardwired with new D batteries as a backup. There are no events recorded on the app. Has anyone else had a siren go off for no reason during a power outage?

Hello @user72195. I recommended reaching out to our support team to have this looked into further. Give our support team a call at one of the numbers available here.