About 1,150,000 results
Open links in new tab
  1. Alarm Beeps: What does the Horn sound like and indicate ... - First Alert

    Alarm Beeps: What does the Horn sound like and indicate on a First Alert Alarm? Learn how to tell the difference between Smoke/Heat, CO or Explosive Gas alarm patterns, and what to do if you hear …

  2. First Alert Smoke Alarm Beeping? Here's What You Should Do

    Jul 15, 2025 · Do you know the variations of beeps of a First Alert smoke alarm? Beeps sound different depending on the situation, and this wikiHow guide goes over that difference as well as lists some …

  3. Why Is My First Alert Alarm Beeping?

    This distinct sound is a life-saving feature designed to alert you that the alarm's battery is nearing the end of its life and needs to be replaced immediately.

  4. Stop the Chirp! Fixing First Alert Smoke Detector Beeping - Smoke ...

    Apr 29, 2025 · Annoyed by your First Alert smoke detector beeping? Learn the common causes (low battery, EOL, dust) & easy troubleshooting steps to silence that chirp. Fix your first alert smoke …

  5. Interpret Alarm Patterns and Chirps of a First Alert/BRK Detector

    This video will explain the different alarm patterns and chirps of First Alert and BRK smoke and carbon monoxide detectors.

  6. Troubleshoot Alarm Chirping: What do the chirps on my ... - First Alert

    Learn what "chirps" mean on your First Alert alarms. Troubleshoot 1 chirp, 3 chirps, 5 chirps, or something different.

  7. Welcome to your Onelink Safe & Sound alarm. Thank you for choosing Onelink by First Alert for your safety needs. In addition to the alarm sounds, you can receive notifications in case of an emergency …

  8. Carbon Monoxide (CO) Alarm Sound - First Alert

    When your carbon monoxide detector chirps 4 times in a row and pauses, this means it has detected unsafe levels of carbon monoxide. This means your entire household should evacuate immediately …

  9. First Alert Help Center

    Alarm Beeps: What does the Horn sound like and indicate on a First Alert Alarm? Get support with First Alert, BRK, and Onelink products.

  10. Troubleshoot Chirps on the Onelink Safe & Sound - First Alert

    Sometimes, alarms may beep or “chirp” to let you know that something isn’t right. A chirp is quieter and more intermittent than a regular alarm. Chirping is typically caused by mounting issues, a low battery, …