In garage door operators made after 1993 there are required safety features that open the door during the close cycle when they detect something blocking the door.
Garage door opens up partially.
You push the button to close the garage door.
Your garage door is programmed to travel a certain distance before it closes.
It goes partway down reverses direction and goes back up again.
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.
Garage doors use radio frequencies to open and close.
This is done with the help of sensors in the motor and on each side of the opening near the floor and mounted on the tracks.
If your garage door still only opens partially then try adjusting the travel and force settings a little more.
You might need to consider replacing it if your door is not working properly or you may purchase a new opener.
As these wires short against the housing the electrical impulse causes the door opener to activate.
When you tried to lift your garage door after you disconnected it was it was too heavy to lift.
If so this means the springs are probable broken.
There may also be loose wire connections inside the button housing itself.
Whether you re using the passcode entry the buttons inside the garage or your remote opener the openers and the garage door itself must be on the same frequency.
Ever notice how it is easier to pull a wagon over a curb than it is to push it.
This is related to the up limit switch.
Garage doors were designed to be pulled not pushed.
It s important to get this switch at just the right distance from the motor so that the door is able to close all the way but the motor also knows to stop running.
T his is a pretty uncommon problem but one that can happen after you ve first installed your garage door opener.
If your garage door opens and suddenly stops it might be because of your logic board.
This is almost always the result of a dirty or obstructed safety feature.
The symptom of this is a garage door that is in constant motion opening fully then immediately descending only to start the same cycle again.
Remember that sometimes a garage door opener can increase the binding in a door just because of the way it pushes the door down.
But changes in weather conditions can causes your garage door components to shift or contract.
Broken springs can cause a garage door to open and then quickly shut.
Try making small adjustments.