Garage Door Opener Logic Board Troubleshooting

Use a step ladder to access the garage door opener s power cord and motor unit.

Garage door opener logic board troubleshooting.

You may also need to reprogram your keypad or replace the batteries in it. Position a work table near the area under your motor unit to hold the garage door. If sending sensor indicator light glows steadily attach the receiving sensor. You can repair the circuit board so that your garage door opener can again properly function.

Garage door opener won t open all the way fix. If the wiring connections are okay wait a few minutes before plugging the garage door opener back in disconnecting the power resets the logic board after an electrical disturbance. A power surge due to lightening or a power outage in the house can damage the boards. Also verify the antenna on the motor unit is in the proper placement.

Make sure that the antenna on the motor unit is hanging downward and is not damaged in any way. Unplug the garage door opener and check the wiring connections on the panel. The main drive gear is the plastic gear that comes in direct contact with the worm drive gear on the motor. Step 1 remove the portion of the garage door opener that holds the controls from your garage s ceiling.

Then test whether the opener works. If you just want to get a new board and forget the repair you can get a new one on amazon http amzn to 2y1mabw in my last garage door repair video a ye. Here is a brief trouble shooting guide. Common problems experienced with garage door openers are often due to a faulty logic board.

Replace the main gear drive if the garage door opener makes a grinding noise but the door doesn t move your main drive gear is probably toast. Firstly check that you re using it within the range required for your opener. If you need to install a new system or replace a broke or failing circuit board liftmaster has a wide range of garage door logic board products to help fix any issues. Reattach sending sensor to garage door opener using shortened wires.

Disconnect all wires from back of garage door opener. 30 60 cm from back each of sensor. Modern garage door openers are essentially small radios that operate at about 315mh and a few feet of extra distance can affect the signal. If the light does not come on when the door opens or go off when it closes the problem could be the logic board.

Remove sensors from brackets and shorten sensor wires to 1 2 ft. When a circuit board in a garage door opener fails the door will suddenly stop while in motion or it will not open or close at all.