How To Test Garage Door Opener Motor

Set up a ladder beneath the garage door motor in your garage.

How to test garage door opener motor.

There should be wires that connect to the same colors much like jump starting a car. The garage door motor is a roughly 8 in 5 in 20 cm 13 cm box mounted to the roof of your garage. 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. If replacing the battery doesn t work you can hop up on a ladder and press and hold the learn button on the motor unit.

If such a device is in place you can test the auto reverse mechanism by breaking the continuity of the beam. Our inspectors test the reversing mechanism with a 1 1 2 block. Here s how to tell if garage door sensor is bad five things to check. Spray the sides of the garage door and the hinges with a silicon based lubricant.

Other signs include flashing garage door opener lights missing sensor light or flashing sensor lights. In many jurisdictions new garage door openers have a photoelectric eye that senses obstructions. Activate the garage door opener to close the door on the object. If the door doesn t reverse within two seconds after striking the block the door requires too much force to reverse.

Open the ladder by pulling the 2 metal halves apart from each other and pressing down on the 2 cross beams. If you don t notice anything that may look like damage to the capacitor itself then you can hook up your voltmeter. Place an object such as a brick on the ground directly in the path of the door. Before you start inspecting the motor make sure the garage door is fully functioning.

Then climb up the ladder until you can comfortably reach the garage door motor. Okay now that you know some of the common signs of garage door sensor malfunction you re ready for the next step troubleshooting. Follow these simple steps to test your garage door s automatic safety reverse sensors. The door should automatically reverse when it makes contact with or senses the object in its path.

You can easily try this method to test your auto reverse. We place the block on the floor under the door. Do this by hooking the voltmeter s wires up to the capacitor itself. 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.