My garage door won't open all way up as I pressed the button either from the remote control. I have to press at least twice in order to open garage door all way up. what is wrong with i?
Building Materials - Sears - LiftMaster - Craftsman LiftMaster Chamberlain Garage Door Opener Wireless...
Answers & Comments
You may have a bad door spring or a bad drive gear in the opener. It is a white nylon gear and is just in front of the motor. If it is going bad it will be obvious.