Hi everyone! This video is about how to replace the battery in a First Alert carbon monoxide alarm model CO400. I spend 30 minutes trying open the battery while the only instruction on the manual said "Push and lift the battery door to open."
Very helpful...
I didn't see any video that shows how to open this detector so I decided to make this video.
Please be careful using the pocket knife!
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Негізгі бет How To Replace The Battery In A First Alert Carbon Monoxide Alarm Model CO400
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