How To Change Liftmaster Professional Garage Door Opener Motor

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

How to change liftmaster professional garage door opener motor.

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Press and release the learn button on the opener s motor unit. When the motor unit s light begins blinking release the remote button. Position a stepladder to access the rear of the garage door opener motor. During those 30 seconds press down and hold the learn button on the handheld remote control you want to use to operate the garage door.

Open the ladder by pulling the 2 metal halves apart from each other and pressing down on the 2 cross beams. Notice a row of small numbered toggle switches on the back of the motor. The button s indicator light will illuminate continuously for 30 seconds. Repeat step 2 if the garage door.

Locate the manual force adjustment dials at the back of the liftmaster garage door opener. Now try opening the garage door once again with the remote control.