what will carbon monoxide detector sound like if there is CO in home?

carbon monoxide detectors malfunctioning image

Chloegirl

I just plugged in a first alert carbon monoxide detector down in basement. The horn will sound once or twice every 20 minutes or so and the red light will flash every so often also. Is this a malfunction or is there CO in my home?

Answer
A very load chirping noise.

Why did my carbon monoxide detector go off?

Shell c

My digital carbon monoxide detector went off and it read GAS. So, I called the gas company and they sent out an emergency technician. He checked my stove, oven, furnace, outside meter. Everything! He checked for gas leaks and carbon monoxide but nothing showed up. He said everything was fine. So, why did my alarm go off? I bought a new one and it hasn't went off.

Answer
Sometimes it's just due to a weak battery or even dust that builds up on the detector. Most of the time its a false alarm but alway better to be safe then sorry. I have went on many 911 calls for a co detector going off and it's usually a false alarm due to a weak battery or malfunction. Batteries should be changed at least every 6 months and the detectors cleaned. This is for both co detectors and smoke detectors. Hope this helped.

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