How To Troubleshoot A Garage Door Opener Sensor

It s important that there s no power running to your garage door motor or you may electrocute yourself when disconnecting the door sensors.

How to troubleshoot a garage door opener sensor. Open the garage door. If you re too far away this can cause a problem with opening or closing the door. You may also need to reprogram your keypad or replace the batteries in it. Cleaning and adjustment remove any debris dust or cobwebs from the electric eye lenses on each sensor with a clean rag.

This will disconnect the garage door from the opener. If the door goes up but goes down only when you hold down the wall switch check to see that the safety sensors are in alignment. The small light on each sensor should be lit up when nothing is between them. Adjust each sensor in small.

Align or replace the safety sensor. The safety sensors may have wire connection problems at the sensor port or at the opener s motor head. Place a box or similar object between the safety sensors to block the sensing beam. Door sensors do go bad so if no light is showing at all you may need to replace them.

Also verify the antenna on the motor unit is in the proper placement. Firstly check that you re using it within the range required for your opener. Attempt to close the garage door using a remote. Loosen the small nuts that hold each sensor to the l brackets with a small adjustable wrench.

To check if your garage door is balanced perform these troubleshooting steps. Other signs include flashing garage door opener lights missing sensor light or flashing sensor lights. Pull the emergency cord down and towards the garage door opener. Disconnect the power to the garage door.

Cycle the garage door. Flip the circuit that controls the power to the garage door or disconnect the garage door plug from the wall. Okay now that you know some of the common signs of garage door sensor malfunction you re ready for the next step troubleshooting. Loosen the nuts just.