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Smoke Alarm Keeps Chirping

I changed the heat detector batteries located in my garage. My smoke alarms in the house have been going off ever since. I now have changed all the batteries in all the smoke alarms and yet, one keeps chirping about every minute and a half.

By Glenn O.

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November 13, 20120 found this helpful
Best Answer

When this happened at our house, the only way to shut them up was to replace them. Our volunteer fire chief came to the house to install the new ones and said he has heard of this happening a lot. He also said that they would not work if there was a real fire. Good luck. Good sleep.

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Anonymous
January 17, 20160 found this helpful
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KUDOS to the person who suggested checking the carbon monox. detector. That was my problem. I tried changing batteries etc.
No Luck. THEN I heard the "tiny" chirp of the carbon monox. detector. It was covered with "stuff". I removed the stuff and changed

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the batteries. All chirps stopped! Thanks for the great suggestion!! Hope this helps someone else!

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November 13, 20120 found this helpful

It's probably the smoke alarm itself that's bad. we have one in the house that's connected to the house electrical system and has a battery back-up. it started chirping the other day and I changed the 9v battery and it's still chirping which means the unit is bad and needs to be replaced. I have been told that they do have a shelf life existence and ours is 10 years old.
I am not a smoke alarm professional but, common sense says it's the unit.

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November 14, 20120 found this helpful

We had the same problem and it was the unit. We just replaced all of them as a precaution. No more chirping.

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Anonymous
January 5, 20160 found this helpful

Some batteries come defective from factory, even when the package is new. I had that experience with industrial Energizer batteries a few years ago twice. If you have a meter, test the battery.

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