Right after location the two limits, validate that your safety techniques even now work properly. Present day openers include photoelectric sensors in the vicinity of the ground — if they’re misaligned, the door might reverse or end unexpectedly. Test the door operation afterward. If the issue persists, make reference to https://alexisujtdn.blogscribble.com/38493610/new-step-by-step-map-for-liftmaster-screw-drive-travel-limit-setup