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Posted by Joseph Meehan on April 27, 2008, 8:08 pm
Line powered smoke alarms almost always will have a backup battery.
Likely you need to replace that battery. Since it may be 16 years old,
you likely should replace it. They become less sensitive with age and less
reliable. Of course there is a very good chance that spider webs or dead
insects may be causing a failure as well.
I would (and have in my own home) replaced the old ones. If you don't
want to go that way, I suggest starting by vacuuming them and then taking a
good look for a battery.
> I have a couple of line powered (mains/AC powered) smoke
> alarms. Today one of them started beeping seemingly
> randomly. Not sure if that means something, or if I
> should change it out. It is between 9 and 16 years old.
> I thought initially it was the battery, but when I took
> it down, i found it was powered from the mains.
>
> Thanks
--
Joseph Meehan
Dia 's Muire duit
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