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Question About Aprilaire Carbon Monoxide Alarm 1800
User Manual...

Where can I get a user manual? My alarm keeps beeping twice every 60 seconds. According to the label on the back it says this indicates "fault". I need to know what to do to correct the "fault".

Asked by RONALD ROSHONG on 03/25/2010 1  Answer

ManualsOnline posted an answer 14 years, 8 months ago

The ManualsOnline team has found the manual for this product! We hope it helps solve your problem. Get the Manual Here

kevin posted an answer 14 years, 7 months ago

0 I have the same problem
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