At random door dont close. some times door moves 4 inches,or goes half way then revirses,cupple times stops 6 inches from the bottom. if open and close door about 3-4 times motor overheats. i checked door sencors cleand eys and green lights are lit. i adjusted the force down and same problem. i checked the door rolers (ok) manule open door and close operats ok. im thinking it is something in the opener. the green light flashes 4 times when door reverses,5 times when overheated. any thouts will be good steve

Building Materials - Sears - LiftMaster - Craftsman LiftMaster Chamberlain Garage Door Opener Wireless...