If your garage door won't open, this video should really help. How to Fix A Garage Door Opener - the opener shown is the Craftsman 1/2 HP 315 model, however many brands are nearly identical. There's lots of things that can go wrong with a garage door opener. If you are having problems with it hopefully this video will give you some good clues as to what can be causing the problems: First start with the obvious and easy to check problems. Is there power on in the home?

Assuming yes, When you push the main button to open the garage do the lights blink or come on at all? Jer 2 Youtube Mp3 Plugin more. Is there anything blocking the path of the door, if it's open is there something in the way of the sensors like a spider web or are they misaligned? Most sensors have an indicator light that tells you if they are working and the path is clear. If it's not your garage door lights should blink when you try and open it. There is also the chain, which may occasionally break, although not often.