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

submitted 6 months ago* (last edited 6 months ago) by pelletbucket@lemm.ee to c/asklemmy@lemmy.ml

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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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[–] Fosheze@lemmy.world 27 points 6 months ago

This makes it sound like it's probably just a defective detector. Swap it with one that hasn't been going off and see if that one starts going off too. If it doesn't then odds are something just failed in it.

You could also just try blowing some air through it to blow out any dust. But it shouldn't be that dusty after only a year so I'm still leaning towards defective.