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Question About Nighthawk Carbon Monoxide Alarm KN-COPP-3
I have a Nighthawk RKNCOPPBLS. Issued July 20 20...

I have a Nighthawk RKNCOPPBLS. Issued July 20 2010, The read out shows 0 ,When I push the test button, the read out is 888 and after a short lapse of time, the read out is 259. Is the that the carbon monoxide register in the air? When I push the peak level, the read out is 14. Is there a problem?

Asked by Jayne Fleming on 12/30/2014 1  Answer

ManualsOnline posted an answer 9 years, 9 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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