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Question About Nighthawk Carbon Monoxide Alarm 900-0014-00
Yesterday I awoke to and occasional beep. Display...

Yesterday I awoke to and occasional beep. Display showed Errrrrr. I reset the device and an hour later it started to do it again with same code displayed. I brought my other unit downstairs, plugged it in and it's been displaying 0 ever since. Does this mean the original should be discarded?

Asked by Joseph "Joe" Kershner on 11/30/2012 0  Answer

ManualsOnline posted an answer 11 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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