My Carbon Monoxide Detector Keeps Beeping Every 30 Seconds. Replace the batteries when the unit beeps every 30 seconds. An open window will help slow down carbon monoxide.

Here are the most common reasons for your carbon monoxide detector making beeping or chirping sounds. Your alarm may have detected carbon monoxide. If you hear your carbon monoxide detector beeping do not ignore the alarm.
Lets look at each bullet point in more depth to help you resolve the unwanted beeping.
Call 9-1-1 and go to the hospital immediately. The last thing we want to hear in the middle of the night is our carbon monoxide detector making a consistent chirping sound. Carbon monoxide CO alarms monitor your home 24 hours a day 7 days a week and are designed to provide accurate readings for the life of the alarm. Mine was a real pain.
