This is almost always the result of a dirty or obstructed safety feature.
Garage door malfunction closing.
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.
Keeping the garage door closed is important to home security so life can become pretty stressful when that door can t seem to stay shut.
Garage door won t close all the way.
You push the button to close the garage door.
It goes partway down reverses direction and goes back up again.
There may also be loose wire connections inside the button housing itself.
If the garage door opens correctly but fails to close completely there may be one of three common causes.
In your efforts to get your home safely sealed up again.
The same mechanism kicks in when other objects are placed near the door too.
The solutions first check your fuses gfci or breaker to see if any of them have tripped broken or burnt out.
This precaution ensures that the door doesn t close when your car is in the doorway.
Your garage door has set limit switches that instruct the motor when to stop running both when it is opening and when it is closing.
In general garage door sensors block the door from closing if there is an object nearby.