How can I figure out which smoke detector is chirruping?


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Ancient Hippy Profile
Ancient Hippy answered

By listening?

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Ancient Hippy
Ancient Hippy commented
Are they hard wired with a battery backup or are they strictly battery operated? I would just replace ALL of the batteries at the same time. If the beeping continues, you have a bad detector.
Moga Deet
Moga Deet commented
They are hard wired and it is the backup battery that has failed. I finally figured it out after taking down three.
Ancient Hippy
Ancient Hippy commented
Cool. I know that the beeping can drive you crazy. Glad that you found it.
Ancient One Profile
Ancient One answered

Wpe had the same issue. We have both hard wired with battery backup and solo battery devices. 10 in all. We had that single chirp every 30 minutes or so for months. We removed and replaced all the batteries to no avail. We checked each and every device however because it was a random chirp we could never pin it down. We finally disconnected all the devices and still heard the chirp. One of my daughters, with a fantastic set of ears, was staying the week end and asked me when I was going to change the battery in the "Carbon Monoxide Detector" . The beeping in the hall way kept her awake and she pin pointed it right away.

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