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what invisible thing could set off my smoke detector? (lemm.ee)

submitted 5 months ago* (last edited 5 months ago) by [email protected] to c/[email protected]

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(I have carbon monoxide detectors that are not going off)

I have smoke detectors that are incorporated into my home alarm system. The other day, the one by my front door went off for no apparent reason, twice, and when I changed the batteries, it started alarming again immediately.

there was absolutely no reason for it, there were no open windows or doors nearby, it just went off. so, my alarm company replaced it. installed the new smoke detector yesterday and... it just went off again. completely different smoke detector.

there's absolutely nothing in my house that could produce carbon monoxide, but I have separate CO detectors anyway that aren't going off. there's no smell, there's nothing visible, and these are those ~~electro optical~~ photoelectric style ones.

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[–] [email protected] 5 points 5 months ago (1 children)

Might be worth buying an infrared thermometer to see if there is wiring overheating in your walls. I'm not an electrician but i wonder if it's something then can happen sporadically such as if there is something drawing a lot of power that turns on/off. There are inexpensive ones out there and they can be handy to have around.

[–] [email protected] 1 points 5 months ago

I'ma show this to my wife the next time the smoke thing beeps as an excuse to get a fancy new thermometer.