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Chirping Smoke Detector System |
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I have a hard wired smoke detector system with individual battery backup. My system started single chirps every 30 seconds 3 days ago. I changed all batteries in all smoke detector system, still chirps. I had an electrician come by today and he does not know what the problem is either. The chirp only comes from the master bedroom and disconnecting the bedroom detector physically and electrically does not stop the chirp. a physical inventory of the attic above the bedroom reveals NO box, etc. that could cause the chirp. I'm lost, need help.
Mike from Garland, Texas
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RE: Chirping Smoke Detector System
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Post By Paulette (Guest Post)
(11/28/2008)
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I have 4 hardwired smoke alarms in my home and repaced all the batteries, upon returning from a lengthy trip recently, as they began to chirp. Within 5 days they started chirping again and the batteries were hot to the touch. What do you think is wrong?
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RE: Chirping Smoke Detector System
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Post By fred (Guest Post)
(07/23/2008)
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I have a electrical smoke detector thats chirping like you know what. How do you open them to replace the battery or check it out without getting electricuted?
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RE: Chirping Smoke Detector System
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Post By Mandy (Guest Post)
(03/04/2007)
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This has happened to me,...it took about a week to figure it out. The electrician actually had one of the batteries in backwards. If I were you,..go around & make sure all of the batteries are in correctly. We had to call the manufacturer of the alarms,...they said they were made like that for "security" purposes. I hope this helps.
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RE: Chirping Smoke Detector System
Yes it is true that shorts can develop in the wiring in hardwired smoke detectors. Would your local fire department check it for free for you? It's worth enquiring at least. A big buggaboo of smoke detectors believe it or not, is dust in the sensors. Remove the top and batteries and vaccuum it out using the brush attachment of your vaccuum. Spiderwebs and housedust can cause the sensors to chirp. This last advice is from my husband who is a firefighter. The vaccuuming should be done to all detectors regularly, a good time is the twice yearly time that is recommended to change the batteries and do a manual check.

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RE: Chirping Smoke Detector System
Yep, we had this once, it was a short in the wiring. It had to be fixed by a repair guy.
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