This means you need to. When your fire alarm gives an emergency warning chirp, this means it has detected smoke in your home. Webwhat do the chirps on my co alarm mean?

Refer to the chart to learn what chirps or beeps mean on co alarms. It is time to replace the batteries in your carbon monoxide detector. Troubleshoot 1 chirp, 3 chirps, 5 chirps, or something. Webwhat does an emergency alarm beep mean?