This is almost always the result of a dirty or obstructed safety feature.
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 track appears to be clean and well aligned then the problem could be with broken or rusty rollers.
The sensors are dirty wipe lenses with a clean soft cloth.
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 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.
The solution is usually one or more of the following.
You push the button to close the garage door.
An optical sensor that detects if an object is obstructing a.
Your garage door is programmed to travel a certain distance before it closes.
If the garage door does not close completely or begins to close and then opens back up again the down limit switch needs.
Replace them if needed or.
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.
But changes in weather conditions can causes your garage door components to shift or contract.
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.
They are misaligned this is the most likely problem and the most common issue with garage door openers.
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.
It goes partway down reverses direction and goes back up again.