This is almost always the result of a dirty.
Garage door opener starts to open push button again.
Opener runs but the garage door does not move screw drive models make sure the carriage is engaged.
Replace broken chain belts sprockets or pulleys.
If you garage door is lowering then reversing.
If the remote were to malfunction due to a backward battery installation you might mistake this for a more serious problem with your garage door opener.
Check to make sure the pulley is not boken.
By wade shaddy updated december 19 2018 you push the button to close the garage door.
Check to make sure the chain belt assembly is not broken or off its pulley.
You ll need your owner s manual as the procedure to reset the remote varies by manufacturer but it s a relatively quick fix that involves pushing the buttons on.
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.
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.
Try resetting the remote.
It goes partway down reverses direction and goes back up again.
If not re engage it.