Doing this can save you some amount of cash.
Garage door tries to open but stops.
When the opener reverses the screw turns the opposite way and the nut travels back.
When the garage door ascends correctly but stops short it is fully open these are the likely causes.
If your garage door is closing fully and then reversing to open again then it may be due to a problem with the close limit switch.
The up limit switch may need to be moved toward the motor unit.
If there s anything stuck to the bottom of the door such as a leaf a small piece of paper.
This is a safety feature that has been added to garage door openers to help prevent the door from closing on a car pet or even a child.
You might need to consider replacing it if your door is not working properly or you may purchase a new opener.
When the door is lowered the spring winds up tightly creating a pulling force that helps lift the door up.
Many garage doors have a powerful torsion spring located horizontally above the door.
My garage door opens about six inches and stops i press the my garage door opens about six inches and stops i press the button twice so it will stop going down and then is goes up another 6 inches or so.
This switch is usually a simply touch lever mounted on the end of the track near the motor unit and if it is too far away the motor will stop the door before it fully opens.
If it still reverses raise the door halfway and stop it.
Check the bottom of the door.
In order to fix this you ll want to make small changes to the close limit setting until the door opener knows to stop once the door has reached the floor.
The photo eyes send an infrared beam across the bottom of your garage door opening if that beam is broken the door will reverse.
One for the opening limit and one for the closing limit.
If your garage door opens and suddenly stops it might be because of your logic board.
Fast easy step by step process on how to properly program your garage door travel system.
There may be two nuts on one track.