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Liftmaster 8500 opening on its own
My garage door opened on its own the other day and I noticed some beeping from the opener itself and the yellow light on the door control was flashing on and off. I assumed the button had gone bad and got a new control. I switched it out and it seemed fine for about an hour then it did it again. I then thought the wire going from the control to the opener itself was bad so I got new wire and hooked up the new control with that. I got the same result, beeping with the yellow light flashing intermittently. Is it the board in the opener itself?
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Nick, we will help you figure this out. Let's start by checking into some of the common reasons such openings happen: https://goo.gl/ERgUHF. Let me know if any of these tips do the trick or if we need to take another step. Lauren
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