Thanks for visiting the Community.
Since this thread hasn't had activity in a while, we're going to close it to keep content fresh.
We hope you were able to get the help you need but if you're still having trouble, make sure the language is set to English (US) and please reboot your Nest Hub. Learn more here about how to set and manage alarms and media alarms.
If the issue persists, feel free to submit another post and provide as many details as possible so that others can lend a hand.
Hope this helps!