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BRK Electronics Smoke Detector 4120B

Troubleshooting
Posted by isabella.nyc1 on Aug 15th, 2008 at 6:33am

Alarms going off for no reason in the middle of the night.

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  • alarms going off in the middle of the night for no reason!!!!
    Posted by royrgrs on Aug 31st, 2008 at 8:36pm

    it's terrifying, if anyone knows how to fix this, let me know!

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  • going off for no reason
    Posted by chris.hipskind on Sep 9th, 2008 at 4:47am

    same thing happened to us tonight..any ideas? I am about to rip these things down.

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  • alarms going off in the night for no reason
    Posted by royrgrs on Sep 9th, 2008 at 10:25am

    to the others with the same problem; we took them all down and dusted them with an air compressor. It has been just a week since, but so far so good.

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