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Question About Nighthawk Carbon Monoxide Alarm None
Unit error...

We have unit error - it makes a sound every 30 seconds and shows "Error". We checked the batteries, they are OK. Please let us know what to do or send us a manual. Thank you. Email: dk6871@hotmail.com

Asked by Dmitriy on 04/06/2009 0  Answer

ManualsOnline posted an answer 15 years, 6 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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