Many times the malfunction can be due to a loose connection or broken wire.
One garage door sensor light is yellow and the other is green.
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.
My garage door opener will not go up or down.
The garage door sensor yellow light and the green light together create a solid illumination.
Before we get on the opener unhook it from the door.
One of my garage door sensors is solid yellow and the other green.
Make sure the door is hooked up to the opener.
If that doesn t do the trick one of the sensors may have detected a fault in the system.
Door will close to about 1 foot remaining and then reverse as liftmaster sending sensor is yellow and receiver light is green.
If they are properly aligned both sensors display a steady light.
The one on the receiving sensor is green and the one on the sending sensor is orange.
Each sensor will usually have a light.
Noticed one door sensor light is yellow and the other green.
That can sometimes be cleared by disconnecting and reconnecting the power and then restarting the system.
So how do you fix this issue.
A good way to check for power connection is to check if other parts of the garage are getting power.
If so how do i correct it.
I can open the garage door with my remote but not close it.
If not fix this first.
The sensors do not matter here.
Could this be part of the problem.
When depressing the garage door opener the door starts to.
If something is in the path of the beam or.
If so re hook it back up.
These sensors are little black boxes found on either side of the bottom of the garage door.
They are supposed to be that way.
Since the lack of power supply is a common problem check the wires around the sensor when the led lights are not flashing.
Also i have to hold the button on the wall down to close it read more.
Does it operate from the wall station and not the remotes.
You ll need to first equip yourself with a wrench of some sort and a tape measure.
Liftmaster sending sensor is yellow and receiver light is.