Smoke detectors are intended to make a chirping noise once the battery needs changing. ... The smoke alarm must clear errors after the battery is changed, but it might continue to chirp even after you change the batteries. This usually occurs in electrical powered smoke alarms with a battery backup.
How do you get a smoke alarm to stop chirping?
Resetting the Alarm
- Turn off the power to the smoke alarm at the circuit breaker.
- Remove the smoke alarm from the mounting bracket and disconnect the power.
- Remove the battery.
- Press and hold the test button for at least 15 seconds. ...
- Reconnect the power and reinstall the battery.
Why a smoke detector is beeping for no reason?
Smoke alarms are designed to start beeping when the batteries are running low. This can cause your smoke alarm to make a chirping noise at times when the smoke has not been detected. In most cases, you can stop the beeping noise by replacing the batteries and resetting the smoke alarm.