You can clean them off by using your finger or a dry rag.
How to fix a garage door that keeps reversing.
Firstly check that you re using it within the range required for your opener.
Adjust the garage door opener mechanism.
I initially replaced the sensors but the problem persisted.
If one of the eyes has been knocked out of alignment this will also cause the door to reverse.
When i press the button to close the door it advances about 1 5 feet and then reverses.
The down force limit adjustment is usually near the two limit screws.
Operate the garage door opener with either a remote control or the wall switch.
When the garage door immediately leaps upward after touching the floor this too is a close limit switch problem.
I just replaced the logic board and the exact same problem persists.
You may also need to reprogram your keypad or replace the batteries in it.
I then figured it had to be something wrong with the logic board.
If your garage door isn t operating properly the torsion springs are likely to blame.
Look at the photo eyes themselves if there are cobwebs or if there is dust on the lenses the eyes will sense this and cause the door reverse.
My liftmaster garage door keeps reversing when i try to close it.
This is almost always the result of a dirty or obstructed safety feature.
You push the button to close the garage door.
Also verify the antenna on the motor unit is in the proper placement.
Refer to the owner s manual to determine which is.
Each photo eye has a light on it.
How to fix a garage door spring.
It goes partway down reverses direction and goes back up again.
Garage door reverses immediately after touching the floor.
Adjust the close limit adjustment screw on the door opener motor in small increments until the door stops upon touching the floor.
If you re concerned about tackling this project on your own consider hiring out the job to a professional.
If you re too far away this can cause a problem with opening or closing the door.
Continue adjusting the down force as necessary until the door closes without reversing.
5 turn the down force adjustment screw 1 8 turn clockwise with a flat head screwdriver.