Incorrect limit switch options: Garage door openers use limit switches to regulate how significantly the door travels up and down. If these are typically off, the door may not near fully. This guideline will wander you thru the procedure step-by-stage regarding how to set travel limits on the garage door https://claytonmjyof.smblogsites.com/38364504/everything-about-old-chamberlain-travel-limit-adjustment-old-liftmaster-travel-limit-adjustment-screw-drive-garage-door-opener-travel-limits