But changes in weather conditions can causes your garage door components to shift or contract.
Garage door reopens when closing.
Even a very small item can set off a sensor so give the area a thorough comb over and make sure there s absolutely nothing out of place.
This is almost always the result of a dirty.
Scan the safety sensors.
If the door stops short of closing lengthen the close limit by turning the control knob in the direction indicated usually counterclockwise.
These garage doors have sensors near the ground to ensure nothing gets stuck underneath the door when it closes.
Close the garage door with the opener and watch it closely as it closes.
It goes partway down reverses direction and goes back up again.
By wade shaddy updated december 19 2018 you push the button to close the garage door.
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.
They are usually on the motor housing and you access them by opening a panel or removing the housing cover.
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 have many parts that all work together including safety features.
As these wires short against the housing the electrical impulse causes the door opener to activate.
If the garage door does not close completely or begins to close and then opens back up again the down limit switch needs.
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.
There may also be loose wire connections inside the button housing itself.
Your garage door is programmed to travel a certain distance before it closes.
Check the track and tension spring.
Garage doors have sensors that keep them from closing on top of an object so you ll need to check to make sure there isn t something blocking the way.