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Question About Nighthawk Carbon Monoxide Alarm KN-COPP-3
What is L6?...

The devide bips and shows L6 on the screen....what does it mean?

Asked by Carlo on 02/16/2009 2  Answers

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

JoAnn posted an answer 15 years, 7 months ago

1 We shut the power off temporarily. Blackhawk KN-COPP-3 is now beeping and displaying L6 and 0 alternately. When I hit the test reset button the number 260 flashes for a brief time. What is going on and how can I find out asap?
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