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.
1. Reset the Smoke Detector. Turn off the power to the smoke detector at your circuit breaker. Remove the detector from its mounting bracket and unplug the power supply. Remove the battery from the smoke detector (if there is a battery). With the battery removed, press and hold the test button for 15 to 20 seconds.
It's best to reset and change the batteries in all of your smoke detectors at the. If your alarm is still beeping, try taking an air dust blower (similar to one used for .
Smoke detectors are designed to make a chirping noise once the battery needs changing. Newer smoke alarms retain some errors in a processor. The smoke .