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  1. EMERGENCY

    Different Types of Beeps and Chirps: 4 Beeps and a Pause:EMERGENCY. This means that carbon monoxide has been detected in the area, you should move to fresh air and call 9-1-1. 1 Beep Every Minute:Low Battery. It is time to replace the batteries in your carbon monoxide detector.
    www.firstalert.com/us/en/safetycorner/what-does-the-beep-mean/
    www.firstalert.com/us/en/safetycorner/what-does-the-beep-mean/
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  2. Troubleshoot Chirping on CO Alarms - First Alert

  3. What do First Alert smoke or CO alarms sound like?

  4. Why is my Carbon Monoxide Alarm Beeping - First Alert CA

  5. Why does my CO alarm say "Move to fresh air" on the …

    When there is a high carbon monoxide level, a CO alarm will beep four (4) times in a loud, repeating pattern and the “move to fresh air” light will blink along with the alarm.

  6. Why Is My First Alert Alarm Beeping?

    Here's a quick guide to decipher those beeps and determine if you need to take action: Low Battery: This is the most common reason for chirping smoke alarms. It's usually a single beep at intervals of 30 to 60 seconds. Replacing the …

  7. Carbon Monoxide Alarm & Detector FAQs by First Alert

  8. Why Is My Carbon Monoxide Detector Beeping? - Bob …

    Dec 11, 2024 · When the carbon monoxide detector emits a continuous alarm or a set of four beeps in rapid succession, it has detected dangerous levels of carbon monoxide in the air. Exit the building and find...

  9. My Carbon Monoxide Alarm Is Beeping. What Should I …

    We spoke with a representative of First Alert about how to interpret your carbon monoxide alarm beeping or chirping. Here’s what he told us: One beep, at 15-minute intervals = low battery. The battery for your alarm is wearing out. You …

  10. 7 Things to Know About Carbon Monoxide Alarms

    4 beeps and a pause: This means that there is carbon monoxide in the air and you should seek fresh air immediately and call 9-1-1. 1 beep every minute: This means that the detector has low batteries and you should replace them.