Sears craftsman garage door openers have an important safety feature that prevents the door from closing when something or someone is in the way.
Garage door sensor lights one yellow one green.
Liftmaster sending sensor is yellow and receiver light is green.
No shavings apparent in light.
Tried to adjust orange sensor light to communicate with green one no luck.
The door goes up about 6 inches goes back down by itself and up again.
What is wrong and how do we fix it.
These sensors are little black boxes found on either side of the bottom of the garage door.
The garage door sensor yellow light and the green light together create a solid.
The latest garage door sensors are technologically advanced and even allow you to control the opening and closing through an app on your smartphone.
One full turn should be equal about 2 inches of travel.
One of my garage door sensors is solid yellow and the other green.
When this beam is obstructed by an object of some sort you won t see a solid yellow light and the garage door will immediately quit working.
If your garage door opener won t open and the motor unit lights blink 10 times it usually means you have a problem with your safety sensors.
If you are unable to get the door closed and the safety sensors are the issue the garage door can be closed by pressing and holding the push button.
In this video from sears partsdirect we ll show you some simple fixes like checking the garage door opener s alignment and clearing obstructions.
One is a transmitter that sends a beam and the other is a receiver that reads the beam.
Also i have to hold the button on the wall down to close it read more.
Slowly rotate sensor back aligning sensor with sending sensor until it lights up green again.
Try adjusting the closing travel limit.
Look closely at the picture of the garage door and the arrow to see which way to adjust it further closed.
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When you have a strong green light put it back into the bracket and put the wing nut back on.
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.
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.
One will have a green light used to show that the units are powered up and the other will have a red light to show that there s no obstruction between the sensors and that they re seeing each other.
I can open the garage door with my remote but not close it.
Sometimes the sensor may be beyond repair due to wear and tear and in such a case your best bet is to replace the garage door sensor with a new one.
One of the door sensors has an xxxxx xxxxxght which is on constantly.
