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Change smoke detector batteries or smoke detector itself. What 3 beeps means. Smoke alarm beeping
First alert smoke detector affiliate link https://amzn.to/3L2oGZ4 ALARM GUIDE: 3 Beeps - Smoke Alarm 4 Beeps - CO Alarm 1 "Chirp" every Minute - Low Battery - Replace Battery 3 "Chirps" every Minute - Malfunction - Replace Alarm 5 "Chirps" every Minute - End of Life - Replace Alarm MAINTENANCE: Gently vacuum or use clean compressed air to ...
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