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Question About First Alert Carbon Monoxide Alarm UP-IAD-12-A
My First Alert model UP IAD 12A carbon monoxide de...

My First Alert model UP IAD 12A carbon monoxide detector started chirping intermittently. Checked the batteries and they were fine. Called 911 and responders detected zero carbon monoxide. Plugged in the unit again and no chirping. What's the problem?

Asked by B. Sharp on 11/16/2014 0  Answer

ManualsOnline posted an answer 9 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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