Replace the battery
Press and hold the test/silence button
Check for low-battery chirps
Clean the alarm with a vacuum or soft brush
Reset the alarm by removing power and battery, then reinstalling
Replace the backup battery if it is hardwired
Check for dust, insects, or debris inside the unit
Make sure the alarm is properly seated on its mounting plate
Replace the smoke alarm if it is expired or malfunctioning
Check the home’s breaker if the hardwired alarm is still beeping
Contact the manufacturer if the beeping continues