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Question About Nighthawk Carbon Monoxide Alarm None
Showing 207 and beeping...

I've changed the battery 3 times and it beeps first shows Lb then shows 209, 207. Is there something wrong with this device. How do I get it to function properly?

Asked by Emmanuella on 12/22/2008 0  Answer

ManualsOnline posted an answer 15 years, 9 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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