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Question About Nighthawk Carbon Monoxide Alarm KN-COPP-3
Resetting Unit...

I have intermitten beeps and when I hit the test/reset button I get Err. When I hit the peak level button I get E09. How do I reset this thing? I put a new battery in it. I get the three 8's and then the Err. HELP please

Asked by Donna on 01/29/2009 1  Answer

ManualsOnline posted an answer 15 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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