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Question About Costar Carbon Monoxide Alarm 12RV-D
About once a day, the alarm starts doing an occasi...

About once a day, the alarm starts doing an occasional beep, sort of like what a smoke alarm does when the battery is running low. Except it's hardwired, so I don't understand why it keeps doing it. I'll hit the reset button, and then it's fine for about 24 hours, and then it does it again. Most annoying!

Asked by Patti Lemon on 03/13/2013 1  Answer

ManualsOnline posted an answer 11 years, 2 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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