This means that carbon monoxide has been detected in the area, you need to get.

First alert co400 5 beeps. These alarms should be placed on all levels of your home and in every room where you sleep. Co alarm sensor has detected enough co to trigger an alarm. View the first alert co400 manual for free or ask your question to other first alert co400 owners.

Even when the battery doesn’t run out, it’s still a good idea to change your. These alarms should be placed on all levels of your home and in every room where you sleep. And horn sounds loudly (repeating 4 beeps, pause).

First alert co alarms measure 3.4×1.5×5 inches. Includes a quick review of what does the alarm sound mean? Light flashes red in sync with the horn pattern (4 beeps, pause, 4 beeps), simulating a co alarm condition.

Do not mistake dangerous levels of poisonous gas for a detector with low battery! First alert co400 4 beeps carbon monoxide alarms are a life saver.literally! Carbon monoxide (co) is an invisible, odorless, and tasteless gas that is created from fuel burning appliances,.

See “if your co alarm sounds” for details. When you notice the carbon monoxide detector beeps five times per minute. You should also place one near a sleeping.

Do not move the co alarm! Alarms with 9v or aa batteries require fresh batteries at least once per. These are as follows five beeps a minute to show the end of life of the detector, four beeps for an emergency, and one beep every minute for a battery.