The button s indicator light will illuminate continuously for 30 seconds.
How to change liftmaster professional garage door opener motor.
Repeat step 2 if the garage door.
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The garage door motor is a roughly 8 in 5 in 20 cm 13 cm box mounted to the roof of your garage.
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Position a stepladder to access the rear of the garage door opener motor.
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.
Press and release the learn button on the opener s motor unit.
Now try opening the garage door once again with the remote control.
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Locate the manual force adjustment dials at the back of the liftmaster garage door opener.
Program a different code by depressing the top or.
They are usually blue in color.
When the motor unit s light begins blinking release the remote button.