Garage Door Won T Go Down Light Blinks

Troubleshooting a liftmaster with a flashing light step 1.

Garage door won t go down light blinks.

If one or both leds is blinking the sensors are misaligned. If you own a new garage door opener that comes with a locking feature it s possible someone may have accidentally locked your garage door by pressing the lock button. The movement should be fluid with no tough spots. When the infra red sensors are malfunctioning usually one of the sensor lights will be blinking.

If the led s on both sensors are off the problem is in the logic board or the sensor wiring. If any of these sensors should happen to get bumped or misaligned the infra red beam would be thrown off and the garage door won t go down. If you try to open your door using a remote while the lock system is engaged you ll notice that the garage door light will begin blinking continuously. The back of the motor has a circuit board with a service light as well.

The garage door will automatically reverse if it encounters too much resistance or if the sensor beam is interrupted. The transmitters remotes will not work to close the garage door. There are several reasons why your garage door opener is doing this. Count the number of times the led light beside the learn button flashes before it pauses and begins blinking.

The led light that is referred to in this article is the small light that is located on the opener near the adjustment learn or program buttons. If one of the leds is not on the door sensors need to be replaced. The problem is either due to a blocked path between the sensors dirty eyes loose wires at the sensors or at the motor head or just bad sensors. To check for resistance start with the door closed and pull the red handle.

Having your garage door light blink continuously is not only annoying it s also a sign that there is something wrong with the mechanism. If your garage door sending sensor is showing a yellow light and the other does not show a green light it is likely they are misaligned. Look at the led s on both door sensors. Then open and close the door.

If this is your situation the first thing you ll want to do is make sure these sensors are properly lined up. Garage door opener light blinks led light blinking indicates a problem note. However the two most common reasons include a problem with the lock button and malfunctioning safety reversing sensors. Ten flashes of the light tells you there is a problem with the door safety sensor circuit.

You may want to check the back of the motor unit.