When timer comes to zero minutes, zero seconds and zero milliseconds, alarm will start ringing. Press the "stop" button and alarm will stop. If you want to start again and set timer for 10 minutes or set alarm for 10 minutes, just press the "reset" button. In "timer settings" you can change the time for timer.What is a set a timer?
Set a Timer. As for setting timers, you can only do so using your voice, as there’s no interface in the Home app for creating or managing timers on the HomePod. To set a timer, all you have to say is “Hey Siri, set a 10 minute timer”.