First check the sensor lights.
Garage door closes but does not open.
If the door won t open then it s the door itself which is causing the problem.
If it is the door there are several reasons why it won t open.
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.
Many garage doors have a powerful torsion spring located horizontally above the door.
The limit setting is off.
Its power source is disrupted.
When you can t see any blinking red light at all on top the box.
Your garage door is programmed to travel a certain distance before it closes.
But changes in weather conditions can causes your garage door components to shift or contract.
Snapped or loose cables.
11 reasons why your automatic garage door won t open or shut the photo eye is blocked.
When the door is lowered the spring winds up tightly creating a pulling force that helps lift the door up.
If the door opens as you get very close to the box but fails to open as you back away the battery is low and needs to be replaced.
If your garage door is closing fully and then reversing to open again then it may be due to a problem with the close limit switch.
If you can open the door then the door is not at fault.
Depending on the brand.
Instead you ll need to investigate the garage door opener.
Thieves out of your garage garage door opener stopped working garage door opener repair and easy for fixing garage door keypad klik2u p2 original er universal 11 most mon reasons why your garage door won t open dengardenelectric garage door opener stopped working no power greentop 10 reasons your garage door won t work how.
In order to fix this you ll want to make small changes to the close limit setting until the door opener knows to stop once the door has reached the floor.
The torsion springs are broken.
The door has dislodged from its track.