What can trigger a carbon monoxide alarm?

Any fuel-burning appliance that is malfunctioning or improperly installed. Furnaces, gas range/stove, gas clothes dryer, water heater, portable fuel-burning space heaters, fireplaces, generators and wood burning stoves. Vehicles, generators and other combustion engines running in an attached garage.

What do I do if my carbon monoxide alarm is going off?

Call 911 immediately and report that the alarm has gone off. Do not assume it is safe to reenter the home when the alarm stops. When you open windows and doors, it helps diminish the amount of carbon monoxide in the air, but the source may still be producing the gas.

Why is my Carbon Monoxide alarm going off?

It is doing its job properly and detects CO pollution in the air

Does charging batteries set off your CO alarm?

The charging and discharging of the batteries will not produce carbon monoxide, but unless charged properly they will off-gas a foul odor consisting of a combination of hydrogen vapors and sulfuric acid. Rapid charging or rapid discharging of the batteries will also produce an abnormal amount of heat – as you’ve noticed.

What to do if your CO alarm sounds?

Turn off appliances,or other sources of combustion at once.

Why is my CO2 alarm going off?

Your carbon monoxide alarm is going off for one of the following reasons: It is doing its job properly and detects CO pollution in the air. It is a false alarm caused by other household items. The detector is malfunctioning or the batteries need changing. Let’s look at each bullet point in more depth to help you resolve the unwanted beeping.