Why do smoke alarms keep going off even when there's no smoke?
Survey: Low Battery 'Chirp' May be Smoke Alarm Safety Hazard
Smoke Alarm 3 Beeps Then Nothing—What's Happening? | Mesa Alarms
CAL FIRE on X: "Test your fire alarms once a month by pushing the test button. If it makes a loud beep, beep, beep sound, you know it's working. If there is