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.
Garage door opener trolley only moves a few inches.
If the door is working properly it should be easy to lift by hand.
When i try to open or close the garage door the opener will move the chain a couple of inches and turn off.
If the door only moves a few inches and stops the rpm sensor could be bad.
If the motor runs but doesn t move the door you may need to replace the gear and sprocket assembly or the drive and worm gears.
The garage door can be operated manually by disconnecting the garage door opener from the door using the red pull cord.
My craftsman 1 2 hp 315 mhz model 139 53985d gargage door opener will not open or close.
Genie garage door only moves a few feet and stops and when you push the button again it moves a few inches or a foot genie garage door only moves a few feet and stops and when i just had my driveway gate opener receiver replaced.
Garage door will only open about 3 inches then stops this morning i opened my garage door drove out tried to close it but it refused to close.
A broken chain or belt can also prevent the trolley from moving.
If the door only moves a few inches and stops the rpm sensor could be bad.
Disconnect the garage door opener from the door and go through the troubleshooting routine on the garage door repair page.
This indicates that the springs torsion springs in the case of the photo above are working properly and are not the issue.
If the motor doesn t run at all you may need to replace the garage door opener logic board.
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.
Garage door only travels a little way and then reverses does your garage door only travel a little way 6 inches or so and then reverse.
A broken belt or chain and cable assembly could also prevent the door from moving when the motor runs.
After a few minutes i realized one of the wires for one of the garage door eyes was covering the eye so i moved it and the door closed.
Use the tips in our video to troubleshoot the garage door opener if the motor runs but the trolley doesn t move.