Carbon Monoxide Detector Beeps 3 Times Then Stopped. Inspect your device when it beeps or chirps. Replace with a new alarm as soon as possible.
Most carbon monoxide alarms have a life of five to seven years. My husband told me it was fine. Leave immediately because exposure can quickly lead to health risks including heart disease or fatality.
Sensors in the alarm dont last.
Many detectors have an explanation of the various warnings printed there along with the date of manufacture. If a CO alarm is at its end-of-life replacing the battery will not stop the beep. More information on carbon monoxide alarm requirements. Answer 1 of 4.
