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Question About Firex Smoke Alarm 120-538B
Alarm sounding without reason...

Periodically one of installed 6 detectors alarm will sound for a few seconds (long enough to wake one up) then stops without obvious reason. This is not the chirp sound but the actually alarm itself.

Asked by Linda Mahlandt on 07/29/2010 0  Answer

ManualsOnline posted an answer 14 years, 5 months ago

The ManualsOnline team has found the manual for this product! We hope it helps solve your problem. Get the Manual Here

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