How To Fix Electric Garage Door Sensor

Align or replace the safety sensor 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.

How to fix electric garage door sensor.

Clear your garage doorway of obstructions. Door sensors do go bad so if no light is showing at all you may need to replace them. Either way turn off the power or unplug the system. This is an important step for safety because you ll be playing with wires next.

Open the garage door. You ll find this in your home s breaker box. Slide each garage door sensor downward so it is as. Loosen the screws that mount each of your garage door sensors.

Place a box or similar object between the safety sensors to block the sensing beam. If necessary tighten the brackets that hold them into place or. The door should stay open and the motor unit lights should blink. Cycle the garage door through the opening and closing actions using the control on the garage wall.

Sensor power reconnect the sensor to its power supply a common cause of a malfunctioning garage door sensor is lack of power supply. Look for small led lights on the sensors. Obstructions will set off the sensors and will prevent the door from. Remove any debris dust or cobwebs from the electric eye lenses on each sensor with a clean rag.

Cut off the power to the safety sensors. Dirt and debris may obstruct the lens in your sensors and prevent them. If they re turned on in both the sensors then there is no issue with the power supply. It may be run with a switch or be plugged into the wall.

Look for damaged or. In this video i show you how to realign your garage door sensors so that the garage door can function properly. Troubleshooting garage sensor problems 1. Clean your sensors with a microfiber towel.

Look for any physical objects that are preventing the sensors from seeing each other. Confirm that the sensors are properly aligned. This includes any dirt or. The small light on each sensor should be lit up when nothing is between them.

Attempt to close the garage door using a remote. Find the power source for the sensors and the garage door system.