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Question About Costar Carbon Monoxide Alarm 9RV
unable to test alarm...

Reinstalled battery and alarm continues to beep. Tried to press and hold button to test/reset and the button does not move. Is there a way to get the alarm reset, and working?

Asked by Shirley on 01/23/2009 1  Answer

ManualsOnline posted an answer 15 years, 4 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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