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Originally Posted by REDCART
I searched TOTV but did not find a similar issue. At 2 am all of our 4 smoke and 2 CO alarms went off simultaneously. Six alarms in the middle of the night is unnerving. There was no fire, and our home is all electric, so no likely source of CO. I went from room to room removing the detectors from the wall. When I removed the last CO detector, it caused the remaining alarms to go silent, so I’ll assume that particular CO detector was the cause of our false alarm. Getting on a ladder in the middle of the night is never fun. I also wonder if we were away would the alarms sound indefinitely.
Our home was built in 2015, which makes our CO detectors likely candidates for replacement. I’m also going to replace the smoke alarms while I have the ladder out.
Anyone else have a similar false alarm experience? I’ve had expired CO detectors beep at the end of their useful life but I’ve never had a false alarm like this in my experience.
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As you seem to know the life of the carbon-monoxide tester is shorter than the smoke detectors. I don't recall but easy to look up. The beep pattern tells you if it is the battery or the device. Ours failed in only two years. I first replaced one and shortly after the other one failed. So you choosing to replace both is smart.
Like most of this stuff, I'm sure the people who design them are sick. They always choose to fail at the most inconvenient time. Sort of like robo calls when you are mixing five minute epoxi.
If, you buy the same one that has failed, in our case First alert, it is a simple plug in and
a twist using the already there screws. Be sure to remove the battery from the old unit.
Ours went off in the trash bag, bothering neighbor.