How To Test For A Bad Garage Door Opener Switch

Open the garage door and watch it closely as it opens.

How to test for a bad garage door opener switch.

When the garage door opens about halfway or 5 feet from the ground and stops the up limit switch needs to be adjusted. Loosen the two terminal screws on the side of the opener where the bell wire attaches using a screwdriver. Your garage door opener will look for a new remote signal press the button on your remote so the opener can pick it up and then the opener will store the new code. Depending on the model most work by connecting two to four wires onto terminals mounting the device on the wall and then plugging the unit into an electrical outlet.

Here s how to tell if garage door sensor is bad five things to check. Okay now that you know some of the common signs of garage door sensor malfunction you re ready for the next step troubleshooting. Other signs include flashing garage door opener lights missing sensor light or flashing sensor lights. If your opener seems to overrun the switch and just keeps trying to pull the garage door up or down after it reaches the end of travel you might assume that it missed the switch or was moving too fast.

Note that this will reset all the remotes that work with your garage door opener so you ll have to press the button on each if you have two or three remotes.