jpamplin
Mar 4, 2006, 07:36 AM
Mine has malfunctioned and does not quit once door is down
labman
Mar 4, 2006, 08:51 AM
If it goes back up, it is not tripping the switch near the end of the travel. If it sets there and grinds on, the clutch may need adjusted, often a nut at the back of the drive.