Employing a screwdriver or your fingers (depending on the design), switch the “Down” limit screw or dial: In the event your opener refuses to respond, helps make grinding noises, or retains managing after the door stops, it’s most effective to Get hold of a Accredited technician. Electrical or circuit board https://download-free-software-2075296.digiblogbox.com/62656441/everything-about-old-chamberlain-travel-limit-adjustment-old-liftmaster-travel-limit-adjustment-screw-drive-garage-door-opener-travel-limits