Garage Door Will Not Go Down Light Flashes

There is one on each side of the door.

Garage door will not go down light flashes. Garage door starts down then stops and goes back up or safe t beam system malfunction. It goes partway down reverses direction and goes back up again. When the safety sensor is not properly aligned or something is obstructing the light beam the garage door will fail to close. If you push the garage door opener switch when the sensors are obstructed or not aligned properly your garage door will reverse and the lights will blink 10 times.

First check the sensor lights. If the operator s light bulb isn t flashing once door reversed release the door to manual mode while it s fully closed raise and lower it by hand to check for any obstructions and that the door is correctly balanced. This is almost always the result of a dirty or obstructed safety feature. To troubleshoot your liftmaster safety sensors.

Check if the limits are properly set. Garage door will go up but not come down when using remote. If your garage door opener won t open and the motor unit lights blink 10 times it usually means you have a problem with your safety sensors. Pressing wall mount it closes.

In this video from sears partsdirect we ll show you some simple fixes like checking the garage door opener s alignment and clearing obstructions. You push the button to close the garage door. Since the lack of power supply is a common problem check the wires around the sensor when the led lights are not flashing. They both have lights and both lights should be on.

Check if something is blocking the way of the safety sensor. Many times the malfunction can be due to a loose connection or broken wire. The garage door will. Depending on the brand of garage door you have one of the sensor lights may flash dim or go out completely when the beam is interrupted.

Eliminate any item in between the sensors. If it is a new installation check the postion of the door arm. Sweep the garage floors and look through the sidings to ensure that there are no objects to obstruct the door. If the door goes up but you can t make it go down you probably need to adjust the sensors.

Make sure only the safe t beams that came with this garage door opener are installed. If your garage door opener is still blinking try realigning the safety reversing sensors. Adjust the limits as needed. Check if the safe t beams red led light is flashing.