Hello, I just bought a house that has an old garage door opener(the model number on the opener is 139.53720 Sears Roebuck and Co.). I do not have keys to the garage and the door opener has stopped working. The opener has three equal sized buttons, one which has a red LED on it. I was told when I bought the house to never press the button with the red light because the door will stop working..... lo and behold my niece pressed the button.

Now nothing happens when I press the open button. All three buttons turn the little LED on when you press them, but the door does not budge.

Help!! They did not give us keys to the garage when we moved in and now I cannot get to my car.

Thank you very much in advance!!

Bobby