Garage Door Opener Hums After Closing

Here are the troubleshooting steps to follow when your craftsman garage door opener reverses after fully closing.

Garage door opener hums after closing.

If your garage door is closing fully and then reversing to open again then it may be due to a problem with the close limit switch. This brain can wear out in time so you could need a replacement. The part that is call the key is a resistor. If that resistor measures open that will cause a delay in the capacitor discharge making the motor hum.

A check garage door springs they seem ok to us. Because it hums when you try to open it the battery is working properly. This helps protect objects which may not have been detected by the safety sensors. Genie garage door humming sound this method did worked out and the garage door been working great ever since i made this repair.

Get logic board replacement. Glad i did it so hope it hel. We ended up releasing the door and closing the door manually. When the logic board wears out it can cause your garage door to close then open and vice versa without explanation.

Think if the door was heavy then the close adjustment would have to be set higher and when the travel is done it would really go thump look for a strength screw by the closer adjustments. The resistor would need to be replaced. First check if there is something in the way of the door. Locate the lens on each side of the garage door at the bottom.

Closing adjustment would be the bump sensitives. You need to measure its resistance with a multimeter and compare it to either what is stamped on it or the color code. Clean the lenses with the cloth. It might look like a nylon post out the back of the closer and easy to miss.

We looked through instruction manual which describes the opener motor hums briefly then won t work. When you find that your garage door motor is making a humming noise but not opening and closing it typically means that it has gone off track or needs some sort of small adjustment. When the garage door is closing and it doesn t reach the fully closed position it assumes there is an obstruction in the way and then it reverses. Your garage door s logic board is the brain of your garage door opener.