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Question About Nighthawk Carbon Monoxide Alarm KN-COPP-3
code:err. can't reset...

after reseting attempt it reverts back to ERR. and the cycle of beeps begins I've even replaced the battery hoping it would help.

Asked by marina on 11/17/2008 0  Answer

ManualsOnline posted an answer 15 years, 10 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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