Smoke Detectors


Old 11-29-05, 11:05 AM
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Smoke Detectors

I have a 4 year old home. Yesterday all the smoke detectors started sounding. They are wired and have battery backup. I removed all the batteries and they stopped. Then, 2 hours later I put the batteries back and all if ok for now. What causes this to happen.

Thanks in advance :}
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Old 11-29-05, 11:09 AM
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Sometimes they just need to have the accumulated dust cleaned out of them.
Old 11-29-05, 11:59 AM
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There is a third wire that interconnects all the smoke detectors. When one detects smoke, they all go off.

Smoke detectors should be blown clean with canned air once a year.
Old 11-29-05, 01:25 PM
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They may also need to have the batteries replaced. Though most just beep when the battery gets low.

I think you are suppose to replace the batteries twice a year (or is it once a year?) anyway.

If you smoke, have a fireplace, burn a lot of candles or cook fried foods a lot, you may need to clean them more often. All of those activities put a lot of particulate matter into the air.
Old 11-30-05, 08:35 PM
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Thanks for the advice guys!!!

I appreicate the advice. Thanks.
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