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Question About Nighthawk Carbon Monoxide Alarm KN-COPP-3 Issue 2705
beeping...

when I plug in the monitor it resets and works for a short while. Then it beeps, without it showing a measurable high level of CO. I replaced the battery. What should I do to fix it?

Asked by PG on 01/24/2009 0  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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