If the garage door does not close completely or begins to close and then opens back up again the down limit switch needs.
Garage door closes too far.
When the settings are too high the door senses the floor as an obstruction and immediately opens again after closing.
A common garage door problem.
Move the spring within the track hanger.
Check that the door closes evenly.
When your garage door falls too quickly it is a symptom that something is loose of.
But changes in weather conditions can causes your garage door components to shift or contract.
Your garage door is programmed to travel a certain distance before it closes.
Close the garage door with the opener and watch it closely as it closes.
Garage door openers come with an adjustable switch that dictates how far the door should lower in order to close completely.
If you re too far away this can cause a problem with opening or closing the door.
If the switch is set too high for your opening the door may not close.
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.
If any of the parts fail to perform their task the garage door will let you know.
This requires a simple turn with.
You may also need to reprogram your keypad or replace the batteries in it.
Adjust the lift cable.
It is possible that the vertical track down the side has gone out of alignment and shifted due to a slightly loose lag screw.
If it closes before that distance has been traveled it thinks something is wrong and it reopens to help prevent any damage or safety risk.
Quite often the cause of your door s malfunction is an improperly set garage door limit.
A garage door that only opens halfway becomes a nuisance for many reasons.
Also verify the antenna on the motor unit is in the proper placement.
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.