These settings also referred to as travel limits tell the opener.
Garage door opener does not work in the sun.
Two possible problems can lead to a garage door reversing before it even touches the floor.
Garage door openers have an adjustment screw that controls the closing force the pressure with which a door is allowed to descend before the motor switches off when the door reverses before it even hits the floor this is often because the close force.
Another way would be to block the sun from outside of the garage by maybe planting a shrub test it out by putting your garbage can in line to block the sun when it is low in the sky and see if it works.
When you rewire the sensors make sure the colors of the wires match up or they will not work.
This safety feature is required on garage doors and keeps the door from closing on.
Nowadays for safety reasons most garage doors have them.
Sunlight can interfere with the sensors beam and cause them to act as if an object blocks them.
Put a tube on the electric eye on each side of the garage door one side for mornings the other side for evenings 5 make sure the tube is extending straight out from the electric eye.
These sensors prevent the door from closing if the sensor beam gets.
Garage door reverses before hitting the floor.
You may need a short splice piece if the wire is too taunt.
People animals and other objects.
Many years ago sensors weren t common.
Garage door fix to allow it to close when the sun is hitting the electric eye which makes it so the eye will not allow the door to go down note.
If this does not work you can either build a shield for the sensors or build something the same level but farther back out of the sun.
If it isn t it could get in the way of the electronic beam and prevent the garage door from closing because the cardboard tube is breaking the beam.
If you ve checked the sensor eyes and alignment and the door still won t work properly the open and close limits could be to blame.
A few options to remedy this problem is to endure it until the sun moves in the sky or make a small tent like cover from paper or cardboard to deflect the sun s rays from hitting your photo eyes.