Garage Door Sensor Light Is On But Will Not Close

Other signs include flashing garage door opener lights missing sensor light or flashing sensor lights.

Garage door sensor light is on but will not close.

If anything interrupts this beam of light the garage door will not close and the ceiling light on the opener mechanism will flash as mentioned in the previous step. First check the sensor lights. If you own a garage door opener by lift master chamberlain or craftsman you ll notice that the sender sensor will usually shine a yellow light and the receiver sensor will usually shine a green light. Here s how to tell if garage door sensor is bad five things to check.

If you see that the sender sensor is not yellow and the receiver sensor is not green then this means that your sensors are probably off. Start by checking if. The sensors are located above the. Garage door sensors use infrared light.

When the safety sensor is not properly aligned or something is obstructing the light beam the garage door will fail to close. The liftmaster garage door opener lights will flash for ten. When genie safety sensors are misaligned the red receiving sensor light will blink. If necessary you can close the garage door by pressing and holding the door control push bar until down travel is completed.

When the lumens of light from the sun surpass that of the infrared sensor light the sensors are not able to signal one another. Garage door light flashing but won t close. 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. This is of course a safety feature to prevent the heavy garage door crushing anyone or anything that might be in the pathway of the door when it comes down.

When you see you garage door opener lights flashing and the garage door will not close it could be the lock button or the safety reversing sensors. If you do not see a solid illumination or your garage door is not working the problem is most likely due to the sensors being out of line. Genie garage door openers use a green light for the sending sensor and a red light for the receiving sensor. The sun also carries infrared light which is more powerful than the light of the sensors.

For the door to close correctly without reversing the safety sensors need to be aligned perfectly and there should be nothing in the way of the light beam. This is a nice feature because if the light is blinking then you know you have power going to the receiving sensor all you have to do is align them. The garage door sensor yellow light and the green light together create a solid illumination. Automated garage door systems explains why this happens.

Okay now that you know some of the common signs of garage door sensor malfunction you re ready for the next step troubleshooting.