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Our only smoke detector is hard-wired into the ceiling. We have had 2 different smoke/CO detectors with battery backup. When a new battery is placed, it is fine for a few hours and then dies, causing the detector to chirp.
Is the electrical wiring somehow drawing power from the battery? Two completely different detectors have done the same thing, so I don't think it is a defective detector. I think there used to be another detector in the basement. I don't know if it was hard-wired or not, but we replaced it with a plug-in type. Any information would be great!
Its probably wiring. Make sure the hot and the neutral wire are not swapped or on the battery wiring check for bare spot that might be going to ground or grounding.
I have five hardwired smoke detectors with battery backup. I changed the batteries today, four of them show a green light and one has a flashing red light; it's not beeping.
By Dean F.
It can drive you to distraction, the constant unexplainable beeping of an electric smoke detector. Often it just needs the battery replaced but it may be a signal that it needs greater attention. This is a page about troubleshooting ideas when an electric smoke detector won't stop beeping.
There are a number of factors that can cause that annoying beeping of your smoke detector. This is a page about smoke detectors beep when the temperature drops.
ThriftyFun is one of the longest running frugal living communities on the Internet. These are archives of older discussions.
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