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How to change battery in 3240M 1/2 HP garage door??
Hello there, I have a 3-year-old 888LM LiftMaster with a MyQControl panel. So far we have had no problems with it until this past week. The MyQControl panel (or the overhead garage door opener) is beeping randomly every once in awhile, it takes several clicks of our remotes to open and close the garage (there are new batteries in them), and the overhead light turns on and off by itself throughout the day (I tried to deactivate the overhead light per the manual instructions but it still keeps doing its own thing.) I am thinking we need to put in a new battery in the overhead garage door opener? (Model is 3240M 1/2 HP). What kind of battery do I need to get and where can I find instructions? There seemed to be no mention of how to change the battery in the manual we received. Thank you!
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