How To Disable First Alert Smoke Alarm. This will quiet the horn so you can find what caused the alarm. For example if someone in the house accidentally burned a piece of toast you can silence the alarm and open a few windows while the smoke clears.
Turn the switch back on or replace the fuse when your need for deactivation is complete. The smoke alarm will automatically reset after approximately 8 minutes and sound the alarm if particles of combustion are still present. To silence a nuisance alarm press and hold the TestSilence button on your unit.
How to Temporarily Disable Your Smoke Alarm.
Locate the fuse or switch that controls your smoke alarms. A hard-wired smoke detector in the home draws power from your circuit breaker panel. Locate the fuse or switch that controls your smoke alarms. You can find replacement smoke detectors here.
