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Question About Nighthawk Carbon Monoxide Alarm 9000089
digital displays reads zero wen we press reset/tes...

digital displays reads zero wen we press reset/test button unit flashes both red/green lights alarm sounds and reading displays 200+ then display returns to zero

Asked by mia tribe on 12/08/2011 0  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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