My Garage Door Sensor Is Yellow

Then take an object large enough to set between the 2 sensors and see what the sensors do one turns off.

My garage door sensor is yellow.

You ll need to first equip yourself with a wrench of some sort and a tape measure. Garage door sensor light is yellow not letting door shut. The sending sensor is usually amber or red and the receiving sensor is usually green or yellow. 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.

If they re turned on in both the sensors then there is no issue with the power supply. A common cause of a malfunctioning garage door sensor is lack of power supply. So how do you fix this issue. If they both have lights on then continue.

Open garage door then look at the safety sensors. Chamberlain liftmaster and sears craftsman garage door openers manufactured after 1997 will have an amber or yellow light on the sending safety sensor. Garage door sensor light is yellow not letting door shut. If you find the lights turned off in one or both the sensors it indicates that there is a problem in power supply.

Any flickering indicates alignment is needed. The light on the sending sensor should always be on even if the sensors are not aligned properly. Remember that the light on both sensors must be lit up solid they can be green amber or red. Look for small led lights on the sensors.