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Question About Nighthawk Carbon Monoxide Alarm KN-COP-DP
carbon detector beeps and says err----unplugging a...

carbon detector beeps and says err----unplugging and plugging it back in does not help--also cleaned it with canned air and it still does the same thing---what does this mean and how can I fix it?

Asked by karla on 02/05/2012 1  Answer

ManualsOnline posted an answer 12 years, 8 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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