How To Know If Carbon Monoxide Alarm Is Going Off. The Chirp sounds will typically be softer and lower pitch than the carbon monoxide alert that is a continuous and loud Beep sound. Your carbon monoxide alarm is going off for one of the following reasons.

This is why it must be working properly. That could be as a result of several things such as a poordead battery or you left a switch on. You get a beep every 15 to 30 seconds.
If you have an alarm and it goes off I would suggest that you presume it has detected.
Also your Carbon monoxide gas exceeds the standard limit. However carbon monoxide detector beeping doesnt mean that there has to be deadly gas in your house. Your carbon monoxide alarm is going off for one of the following reasons. Read to learn more.

