Most systems will begin beeping or chirping as a result of a total power outage or failure to recharge the system backup battery. For many of our most popular systems, beeping alarms and low battery trouble beeps can be silenced by pressing the [OFF] or [#] buttons from the keypad. ...
If the alarm starts beeping once every 40 seconds, the backup battery needs replacing. If you wish to replace the battery later, press the test/hush button to snooze the chirping for 10 hours. 2. False alarm. If your smoke alarms are going off when there is no smoke present, firstly id...