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Question About Universal Security Instruments Carbon Monoxide Alarm MCN400CN
power light keeps blinking on and off and alarm be...

power light keeps blinking on and off and alarm beeps. This happens whether the battery is in or out. Battery has been changed 3x to no avail. power light keeps flickering on and off and beeping continues.

Asked by carrol on 12/08/2014 1  Answer

ManualsOnline posted an answer 9 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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