Do Carbon Monoxide Detectors Beep Continuously. To warn of dangerous CO levels most detectors will beep 4 or 5 times in a row about every 4 seconds. Carbon monoxide detectors beep when they detect carbon monoxide in the air.

The noise that they make was described as chirping beeping and squeaking. I spoke with a representative of First Alert about how to interpret your carbon monoxide alarm beeping or chirping. Firstly there are a few different reasons why your carbon monoxide detector may be beeping but always take the beeping seriously especially if it has never beeped before.
Usually this can be in the form of four beeps.
Its annoying but its usually nothing to worry about. The duration of the batteries depends on the devices model Its important to check if your alarm is working properly every now and then. Actuation of the carbon monoxide detector CO detector indicates the presence of carbon monoxide gas. 5 Beeps Every Minute.

