what do the chirps on my co alarm mean? Refer to the chart to learn what chirps or beeps mean on co alarms. Troubleshoot 1 chirp, 3 chirps, 5 chirps, or something. what does an emergency alarm beep mean? When your fire alarm gives an emergency warning chirp, this means it has detected smoke in your home. This means you need to. It is time to replace the batteries in your carbon monoxide detector. This type of chirp indicates it is.
