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.
So how do you fix this issue.
I reprogrammed my genie opener after that was done the door i reprogrammed my genie opener after that was done the door will only go down by holding the wall button down until the door is completely down.
The light on the sending sensor should always be on even if the sensors are not aligned properly.
You ll need to first equip yourself with a wrench of some sort and a tape measure.
A common cause of a malfunctioning garage door sensor is lack of power supply.
Garage door sensor light is yellow not letting door shut.
Chamberlain liftmaster and sears craftsman garage door openers manufactured after 1997 will have an amber or yellow light on the sending safety sensor.
Open garage door then look at the safety sensors.
Garage door sensor light is yellow not letting door shut.
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.
Watch the sensors as the garage door operates.
The sending sensor is usually amber or red and the receiving sensor is usually green or yellow.
The garage door sensor yellow light and the green light together create a solid illumination.
If they re turned on in both the sensors then there is no issue with the power supply.
If they both have lights on then continue.