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Question About Nighthawk Carbon Monoxide Alarm KN-COPP-3
error reading on unit...

KN-COPP-3 - reads err 03 Why? I can not find the original manual It was mfg on 9/11/2000

Asked by Judy on 11/08/2008 2  Answers

ManualsOnline posted an answer 15 years, 11 months ago

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

d posted an answer 15 years, 8 months ago

0 I have the same model manufactured on the same date with the same problem. Issue # is 1830, purchased from Costco.
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