Linear Garage Door Opener Sensor Problems

Look for small led lights on the sensors.

Linear garage door opener sensor problems. This video is for a linear garage door opener. If you are having problems closing the garage door please che. If they re turned on in both the sensors then there is no issue with the power supply. Two things can cause this as well first there is an obstruction in the doorway and secondly safety sensors are misaligned.

Safety sensors sit about six inches off the ground by the garage door tracks and are always getting hit or obstructed in a busy home. When this happens the door will reverse when closing. This is a problem that will require you or a service person to replace it. A common cause of a malfunctioning garage door sensor is lack of power supply.

Two types of accidental obstructions can cause the safety sensor to prevent a garage door from closing. The most common problem with garage door openers is safety sensor misalignment. If you find the lights turned off in one or both the sensors it indicates that there is a problem in power supply. The first is an obstruction in the path of the door and therefore in the path of the sensor.

If the circuit breaker or gfci is tripping repeatedly it s a sign that there is a short circuit somewhere in the system possibly even the garage door opener itself.