How To Reset Smoke Detector After New Battery. An alarm will sound briefly, then the alarm will silence. You might still see the message low batt or bat, but this is normal for up to 48 hours as the battery is likely charging.
Press the “test” button holing it down for 15 seconds. Here, you'll find some of the top picks from our tests, listed in alphabetical order. Remove the battery from the smoke detector (if there is a battery).
Table of Contents
Place The Battery In The Smoke Detector, Reconnect The Power Cable And Put The Smoke Detector Back On Its Mounting Bracket.
Venmo tip jar @andrewdiythere's a few steps you can take if your detector is still chirping even after a new battery.replacement detector alarm: Hard wired smoke alarms have 2 aa / aaa batteries or 9 volt batteries. If the batteries you removed were the new ones, simply place them back.
Turn The Breaker Back On.
Remove the detector from its mounting bracket and unplug the power supply. First, take the battery out of the smoke detector. Remove the battery from the battery compartment.
Clean The Unit With A Microfiber Cloth Or A Can Of Compressed Air.
If that doesn’t work, take the smoke alarm off the. The smoke alarm will chirp once to indicate the battery is connected. Remove the smoke alarm from the mounting bracket and disconnect the power.
Find The Device That’s Going Off And Reset It By Pressing And Holding The Reset Button.
Remove the battery out of the smoke detector. Turn off the power to the smoke alarm at the circuit breaker. To reset a hardwired unit with a battery backup, perform the following steps:
Install The Battery Back In The Smoke Detector.
An alarm will sound for a short time, then the alarm will stop. If your device includes a keypad press “*72” or if your smoke detector is hardwired, look for a reset button to push and hold for 20 seconds. How do you reset smoke alarm after replacing battery?