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Question About Nighthawk Carbon Monoxide Alarm 900-0014-01
I plugged in my detector, hit the reset button and...

I plugged in my detector, hit the reset button and then a few minutes later it started the alarm with 9s across the display...is this a problem with the unut? It was mfg in 1996. This unit had been in storage for years and i just found it and plugged it in.

Asked by mary ellen on 11/13/2014 0  Answer

ManualsOnline posted an answer 9 years, 11 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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