First, replace the old battery. If you’ve installed a new battery and the alarm continues to beep, drain any residual charge from the unit. Remove the unit from the ceiling and remove its battery, then hold the test button for 15 seconds. Next, replace the battery.

Why does my smoke detector keep chirping even after I change the battery?

Newer smoke alarms keep some errors in the processor. The smoke alarm must clear errors after the battery is changed, but it might continue to chirp even after you change the batteries. This usually occurs in electrical powered smoke alarms with a battery backup.

How do I get my smoke detector to quit chirping?





Resetting the Alarm

  1. Turn off the power to the smoke alarm at the circuit breaker.
  2. Remove the smoke alarm from the mounting bracket and disconnect the power.
  3. Remove the battery.
  4. Press and hold the test button for at least 15 seconds. …
  5. Reconnect the power and reinstall the battery.


Where is the hush button on a smoke detector?


Quote from Youtube video: Action to activate the hush feature. Press the hush button when the alarm is sounding. If smoke is not too dense. This will cause the alarm to be silenced temporarily.

How do I turn hush mode off?

The “HUSH” feature can be used repeatedly until the air has been cleared of the condition causing the alarm. Pushing the Test/Reset button on the alarm will end the hush period.

What happens when you push the button on a smoke detector?





The smoke alarm is desensitized by pushing the “Test/Hush” button on the smoke alarm cover. If the smoke is not too dense, the alarm will silence immediately. If the smoke or debris is interfering with the sensor, the alarm will override the Hush.