Garage door opener operates but the door stops short of fully closing, leaving a gap at the bottom.

Safety first: Keep clear of the door while adjusting travel.

• Inspect bottom seal and floor: Check for new or thick weatherstripping or raised concrete that may require more travel.
• Increase down travel: Adjust the DOWN travel on the Craftsman opener slightly so the door closes fully against the floor without excessive force.
• Check door alignment: Ensure the door is square in the opening and not hitting the jambs before reaching the floor.
• Test reversal: After adjustment, perform the 2x4 reversal test to confirm safety features still work properly.