Why Does Smoke Alarm Keep Beeping After New Battery?

Smoke detectors are intended to make a chirping noise once the battery needs changing.

Newer smoke alarms keep some errors in the processor.

The smoke alarm must clear errors after the battery is changed, but it might continue to chirp even after you change the batteries.

Do you have to reset smoke detector after changing battery?

The smoke alarm should clear errors after the battery is changed, but it may continue to chirp even after you change the batteries. This also occurs in smoke alarms powered by electricity with a battery backup.

Why does the smoke alarm beep randomly?

As the battery in a smoke alarm becomes weak, the smoke alarm will “chirp” about once a minute to alert you that the battery needs to be replaced. Note: Only the alarm with a low battery will chirp. No signal is sent through the interconnect wire. The other alarms will be silent.

How do you stop a hardwired smoke detector from beeping?

Why Does a Hard-Wired Smoke Alarm Chirp?

  • Locate the reset button on the surface of the smoke detector.
  • Hold it for 15–20 seconds and then release.
  • Wait a couple of minutes and listen for the chirping noise again.

Why does the smoke detector keep beeping without battery?

A beeping alarm means that there is a problem with the unit, which typically is a dead or dying battery. The battery is necessary for proper operation. Removing the battery does not stop the beeping on most devices. Stopping the beeping requires discharging the system.