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My LiftMaster opener blinks but doesn’t close the door properly. I’ve cleaned the sensors, but it’s still acting up. Any ideas?
The same error happened with mine last winter during cold weather. Reading a few liftmaster reviews helped me realize it was likely the alignment of the safety beams. I adjusted them slightly, wiped off the dust, and reset the motor. Everything started working perfectly again. It’s one of those issues that seems complicated but ends up being a simple sensor fix once you know what to look for.
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