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 door closes then reopens problem.
They are misaligned this is the most likely problem and the most common issue with garage door openers.
Your garage door is programmed to travel a certain distance before it closes.
If your garage door won t open or close the problem could be a bent track a broken torsion spring or a bad capacitor int he motor housing.
But changes in weather conditions can causes your garage door components to shift or contract.
If the garage door does not close completely or begins to close and then opens back up again the down limit switch needs.
It goes partway down reverses direction and goes back up again.
If the door closes while holding the button pressed you are likely having one of the following issues with your safety sensors.
Close the garage door with the opener and watch it closely as it closes.
The sensors are dirty wipe lenses with a clean soft cloth.
If it closes only partway the safety sensors are usually responsible clean the lenses or realign them and make sure there are no obstacles blocking the beam.
Replace them if needed or.
The solution is usually one or more of the following.
The door sticks while closing or opening check the tracks to confirm they are clean and free of debris that can get in the way of the rollers and make them stop.
You push the button to close the garage door.
This is almost always the result of a dirty or obstructed safety feature.
My garage door has two sensors either of which can cause the door to open immediately after apparently closing.
An optical sensor that detects if an object is obstructing a.
When a garage door descends on command but then immediately reverses itself the problem is usually with the sensor eyes along the side tracks or with the door s wheels binding in their tracks.