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Question About Nighthawk Carbon Monoxide Alarm KN-COP-DP
It is beeping 4 beeps. Unplug and plug back in it ...

It is beeping 4 beeps. Unplug and plug back in it shows 8888 then resets to 0. If I push reset again it thinks a while and goes to 264 and begins 4 beep sequence again. Pls respond immediately as I don't know if we can stay in home

Asked by Pat on 04/08/2015 1  Answer

ManualsOnline posted an answer 9 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

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