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