How do you silence the low battery chirp on First Alert?

Author: Cary Yundt  |  Last update: Thursday, October 2, 2025

You can silence the low battery warning “chirp” by pressing the Test/Silence button on the alarm cover.

How to get first alert to stop chirping?

Remove the alarm from your ceiling or wall. Open the cover and take out the battery. Press and hold the test button for 15-30 seconds. This will fully reset the smoke alarm and drain any charge left inside. Insert the new battery and close the battery compartment.

How do I stop my low battery from chirping?

Even after the battery has died, the detector maintains a residual charge that will keep the chirp going for at least seven days. To get the device to stop chirping once the battery has been removed, you must drain this residual charge by holding the test button for 15 seconds.

How do I stop my alarm from saying low battery?

If there's a low battery warning, you might need to replace the alarm system's battery. If the alarm persists after replacing the battery, consider power cycling the entire alarm system. Turn off the main power supply to the alarm, wait a few minutes, and then turn it back on.

How do I silence my low battery house alarm?

Go to your main control box and disconnect the battery supply, which will stop all beeping and shut your alarm system down. Once power is restored, you can reconnect your battery and your alarm system should work as before.

Meaning of Beep and Chirp Sounds of a Carbon Monoxide Detector (First Alert)

How do you hush a low battery smoke alarm?

'Low battery chirp' is a short high pitched warning sounds emitted by your smoke alarm every 30-40 seconds. Pressing the 'Hush' button will force the alarm into 'low battery hush' mode, temporarily silencing the low battery warning for 8 hours, to give you time to replace the 9V battery.

How do I turn off battery noise?

Just go to settings --> Sounds --> scroll down to the end.... There under the heading "Charging Sounds" u will have options to enable/disable and other stuffs....

How long will a smoke detector chirp on a low battery?

Smoke detectors chirp to indicate a low battery. This chirping happens every 30 to 60 seconds for at least seven days.

How do I get rid of low battery notification on iPhone?

There's currently no option to disable low battery notifications on an iPhone. We encourage you to provide product feedback and suggestions for what you'd like to see in future. Take care!

How do I turn off the chirp on my alarm?

Pressing the “Test/Silence” button on the front of the unit should stop it from beeping or chirping. If this doesn't work, grasp the device and turn it counterclockwise.

Where is the silence button on First Alert smoke detector?

Press the button on the face of the fire alarm to silence false alarms from cooking smoke or shower steam, as well as to test the alarm to ensure it is working.

How do I stop First Alert safe from beeping?

Unmount and reset power

If the unit is still chirping, unmount the unit. Then use your circuit breaker to turn off AC power. Wait at least 15 seconds before turning power back on and remount the device.

How do I stop my first alert smoke detector from chirping?

Clear Residual Charge to Stop the Chirp

Press and hold the test button for 15-30 seconds.

Where is the hush button on a smoke detector?

In most cases, you can find the 'hush' button on the smoke detector's cover.

Why is my first alert smoke alarm chirping every 40 seconds hardwired?

Low Battery or End-of-Life: This type of chirp indicates it is time to replace your smoke alarm's batteries or the smoke alarm itself.

How to stop house alarm beeping low battery?

The beeping sound the low battery alarm makes can become very annoying but can be disconnected by removing the drained battery from your home alarm system panel. Make sure to replace the drained battery with a new one to keep your home alarm system functioning properly.

How long does the silence button last on a smoke detector?

Press the hush/silencing button. It will silence the entire interconnected system. The button may also say “test.” It should silence all the alarms immediately unless there's still smoke and debris. It will reset in eight minutes, given that the smoke and debris have dissipated.

How do I turn low battery off?

Android
  1. Tap Settings and then Battery and Device Care.
  2. Tap Battery.
  3. Tap Power Saving Mode.
  4. Make sure that all the toggles are off.

What sound does a low battery make?

Clicking Sound When Starting the Engine

This sound means there is not enough power in the battery to turn the starter motor. The clicking you hear is the feeble attempt to engage the starter when there is not enough energy to do so. When you hear this noise, your battery is almost entirely out of juice.

How do you silence a First Alert smoke alarm with a low battery?

You can silence the low battery warning “chirp” by pressing the Test/Silence button on the alarm cover.

How do I turn off the battery in my First Alert smoke alarm?

Use thumb to pull deactivation tab outward until tab snaps into place. This will discharge the powercell and deactivate the unit.

Previous article
Should you invert socks when washing?
Next article
How do I stop my hardwired alarm from beeping?