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Question About Nighthawk Carbon Monoxide Alarm KN-COPP-3
BEEPING...

IT WON'T STOP BEEPING, APPROX. EVERY 10 SECONDS. THE BATTERY IS NEW AND EVEN BEEPS FOR A WHILE WHEN I UNPLUG IT.

Asked by Nancy on 02/24/2009 1  Answer

ManualsOnline posted an answer 15 years, 7 months ago

The ManualsOnline team has found the manual for this product! We hope it helps solve your problem. Get the Manual Here

richards posted an answer 15 years, 7 months ago

0 mine does the same thing did you ever find out why
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