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Question About First Alert Carbon Monoxide Alarm CO605
The system made 1 beep, then repeated it 4 times(o...

The system made 1 beep, then repeated it 4 times(once a minute). It did not happen again until the middle of that night when it made 1 peep. What does this mean?

Asked by Frank Gengo on 12/01/2011 1  Answer

ManualsOnline posted an answer 12 years, 10 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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