Remove the detector from its mounting bracket and unplug the power supply.
First alert smoke detector battery reset.
Remove and replace the battery from the smoke detector.
Learn more how to stop false or nuisance smoke alarms.
1 disconnect all power sources take out the battery if it is a plug in alarm remove it from the outlet and if it is hardwired alarm disconnect it from any wiring 2 hold the test silence button for 20 seconds.
Follow these steps to reset your alarm.
Alarm chirps with new battery.
Red or green light on alarm.
On the back of the smoke detector you will see a battery panel door.
In the six decades since we have continued to create innovative products from the first residential smoke alarm to the first battery operated carbon monoxide alarm.
Remove the alarm from your ceiling or wall.
If your smoke alarm has a lithium battery you can t take out muffle it in a blanket under a sofa cushion or in your freezer until it stops.
Learn more register your product.
Learn more how to change batteries in first alert alarms.
Turn off the power to the smoke detector at your circuit breaker.
Our top recommended model is the first alert 3120b an interconnectable hardwired smoke alarm with dual sensors and battery backup.
The smoke alarm should.
Press and hold the test button for 15 30 seconds.
Let s try to reset the alarm and see if it will stop the low battery alert.
Open the cover and take out the battery.
How to reset smoke detectors.
With the battery removed press and hold the test button for 15 20 seconds.
Learn more how to replace 9v batteries in smoke or co alarms.
Smoke detectors are designed to make a chirping noise once the battery needs changing.
Open it and replace the old battery with a new one.
Solution 1 your smoke detector needs new batteries.
Smoke detector alarm reset test smoke detector beeping.
This will fully reset the smoke alarm and drain any charge.
If your smoke alarm is chirping even though it has a new battery try these troubleshooting steps to clear out residual charge from the old battery.
For more check our co smoke alarm ratings available to.
Once reset the smoke detector should chirp one more time.
First alert began in 1958 when three friends set out to create a commercial smoke alarm.
Newer smoke alarms retain some errors in a processor.