Kidde Nighthawk Combo Gas/co Detector Logo
Posted on Dec 16, 2008

Carbon monoxide is on

My carbon monoxide detectors are off and on since 8:am this morning.
it is very annoying everytime it starts ringing.How can I fix this problem.I can't go over with the manual because I don't have one.
Please help me to resolve this matter.

Sincerely,
Coney

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