Liftmaster Garage Door Reverses After Closing

We design and engineer residential garage door openers commercial door operators and gate entry systems.

Liftmaster garage door reverses after closing.

It goes partway down reverses direction and goes back up again. 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. My door willnt close all the way it reverses and opens. This is a safety feature that has been added to garage door openers to help prevent the door from closing on a car pet or even a child.

Liftmaster motors will not operate when something obstructs the infrared beam between the safety sensors at the bottom of the garage door tracks. Liftmaster garage door opener won t close door. This is almost always the result of a. I have a steady amber and green indicating light on my sensors.

Repeat safety reverse test after adjustments. It doesn t matter if i use the remote or push button by the door. When the logic board wears out it can cause your garage door to close then open and vice versa without explanation. My door will not close and the light bulbs blink.

Troubleshooting a liftmaster opener with a flashing light involves inspection of the safety reverse sensing system. In order to fix this you ll want to make small changes to the close limit setting until the door opener knows to stop once the door has reached the floor. You push the button to close the garage door. When the garage door opens about halfway or 5 feet from the ground and stops the up limit switch needs to be adjusted.

An open door will not close if the infrared beam is broken. Review adjustment step 2. The safety reversing sensor must be connected and aligned correctly before the garage door opener will move in the down direction. It still would open.

This brain can wear out in time so you could need a replacement. Chamberlain group cgi the corporate parent company to liftmaster chamberlain merlin and grifco is a global leader in access solutions and products. How to fix a garage door that keeps reversing. Open the garage door and watch it closely as it opens.

I even tried holding the door push button down in the closed position. For the door to close correctly without reversing the safety sensors need to be aligned perfectly and there should be nothing in the way of the light beam. Your garage door s logic board is the brain of your garage door opener.