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Question About Nighthawk Carbon Monoxide Alarm KN-COPP-3
Lo battery signal even with good battery...

My Nighthalk carbon monoxide alarm model KN-COPP-3 displays low battery singnal even when the battery tests in good range. The last new battery lasted less than 3 months before the singnal. The unit has done the same since purchase about 4 years ago.

Asked by Ray on 04/26/2009 4  Answers

ManualsOnline posted an answer 15 years, 5 months ago

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

vinyl posted an answer 15 years, 4 months ago

0 keeps beeping every 30 secs displays Lb put new battery in still does it. i think this unit is defective do you have replacements??? Vinylm812@hotmail.com
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vinyl posted an answer 15 years, 4 months ago

0 beeps and says lb new batteries, same thing, i believe product is defective, had it for several years still beeps. can someone help me.
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Carolyn posted an answer 15 years, 2 months ago

0 My unit (KN-COPP-3) has the rechargeable battery pack. It continues to beep and says low battery. Where can I purchase a new battery pack for this unit?
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