It is possible that the vertical track down the side has gone out of alignment and shifted due to a slightly loose lag screw.
Garage door closes too far.
Also verify the antenna on the motor unit is in the proper placement.
Your garage door is programmed to travel a certain distance before it closes.
When your garage door falls too quickly it is a symptom that something is loose of.
If you re too far away this can cause a problem with opening or closing the door.
Move the spring within the track hanger.
Close the garage door with the opener and watch it closely as it closes.
Adjust the lift cable.
Check that the door closes evenly.
A garage door that only opens halfway becomes a nuisance for many reasons.
Brace the open door.
If the switch is set too high for your opening the door may not close.
You may also need to reprogram your keypad or replace the batteries in it.
Push the door back to adjust the door and get the center aligned again.
By pushing the door back into position you should have made the vertical track straighten.
Quite often the cause of your door s malfunction is an improperly set garage door limit.
Firstly check that you re using it within the range required for your opener.
When the settings are too high the door senses the floor as an obstruction and immediately opens again after closing.
But changes in weather conditions can causes your garage door components to shift or contract.
This requires a simple turn with.
If any of the parts fail to perform their task the garage door will let you know.
To understand garage door problems you have to look it as a whole this means that your garage door is composed of the different parts that work all together to open and close the door efficiently.
A common garage door problem.
If the garage door does not close completely or begins to close and then opens back up again the down limit switch needs.