How can I fix my first alert SA302 smoke detector?

by Guest2400  |  11 years, 4 month(s) ago

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I have had this first alert Model SA302 for 6months and it started chirping so I replaced battery. kept chirping one chirp every so often mostly at night. changed battery twice more with the same effect. i tried a match near it and it works fine with heat and smoke but continues this night chirp. help please thanks

 Tags: alert, detector, fix, SA302, Smoke


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