Lif Master Garage Opener won't cycle

SOURCE: Garage opener/ brand garage master 1/3 HP

trolley is not attatced to the chain, grab that red rope that is hanging down and give it a ****. run the door up until it re-locks onto they trolley

Posted on Mar 30, 2008

SOURCE: keypad garage door opener will not operate

what keypad are you using with new opener? Frequency has changed. can't use old one. you probably never needed to change things; just needed to follow proper coding procedures.

Posted on Jan 28, 2009

SOURCE: Garage Opener Model 3255 Chamberlain Lift Master

The most common cause of this problem is a bad wall control the wiring going to it. You can eliminate both temporarily by removing the wire at terminal 1 on the back of the motor unit. The wiring sometimes is shorted by the staples the installer uses. The wall control gets used a lot.

Posted on Jun 23, 2009

SOURCE: Access Master Garage Door Opener opens by itself

The most common cause of this is a bad wall control or the wiring going to it. The wall control goes bad from use and the wiring sometimes has intermittent short caused by the staples the installer used.

Posted on Jul 31, 2009

SOURCE: Sears Craftman Garage door opener model # 41A3493-1

That isn't the model number you give it is the part number for the logic board. The model number is on the opposite end of the motor unit and starts with 139. If you are asking if the opener should reverse when it hits an obstacle the answer is yes. If it doesn't it is not adjusted correctly or is faulty.

Posted on Dec 01, 2009