Replace the battery
Press the test/reset button
Check for low-battery chirping
Clean dust from the alarm
Make sure the battery is installed correctly
Replace the battery with the correct type
Check if the alarm is expired
Replace the smoke alarm if it is old or faulty
Reset the alarm after battery replacement
Check for loose wiring on hardwired alarms
Restore power to hardwired alarms if needed
Replace the backup battery in hardwired alarms
Silence the alarm temporarily if it has a hush button
Contact the manufacturer if the beeping continues