If the door closes while holding the button pressed you are likely having one of the following issues with your safety sensors.
Garage door closes then reopens problem.
A force sensitive switch that detects if the motor torque is excessive typically tripped by incorrect adjustment or by.
If the garage door does not close completely or begins to close and then opens back up again the down limit switch needs.
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.
It goes partway down reverses direction and goes back up again.
Close the garage door with the opener and watch it closely as it closes.
But when the door begins to descend all on its own the problem may point to the opener s logic board or the circuitry inside the motor unit itself.
Your garage door is programmed to travel a certain distance before it closes.
The solution is usually one or more of the following.
But changes in weather conditions can causes your garage door components to shift or contract.
If the track appears to be clean and well aligned then the problem could be with broken or rusty rollers.
An optical sensor that detects if an object is obstructing a.
This is almost always the result of a dirty or obstructed safety feature.
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.
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.
My garage door has two sensors either of which can cause the door to open immediately after apparently closing.
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.
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.
You push the button to close the garage door.