At the bottom of your door there s a small infrared sensor.
Garage door moves few inches stops.
The garage door can be operated manually by disconnecting the garage door opener from the door using the red pull cord.
It passes a beam a few inches off the floor from side to side.
This read more.
I researched that symptom on this website and was directed towards replacing the rpm sensor.
Open up the case and look for a screw type track that moves when the opener runs.
If anything breaks the beam for a fraction of a second the door reverses.
Try to operate the garage door manually.
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 down.
This helps you determine if the problem is related to the door or the motor.
After installing new gear the garage door opener carrige only moved a few inches back and forth.
Sometimes the limit switch is activated by the movement of a specially shaped nut traveling on this track.
When the opener is activated the screw rotates causing the nut to move until it reaches the switch.
Originally the plastic gear got chewed up so i replaced it.
After installing a new rpm sensor and new interuptor cup i still have the same problem the carrige only moves a few inches back and forth.
If your garage door opener uses a keypad and that keypad stops working then there are a few things you can do to get it functioning again.
If your garage door is stopping before it meets the floor watch this video for the fix.
Much of the door weight is held by the spring assembly if those springs are not adjusted correctly then there may be too much weight for the opener to handle.
There a few things that might be making it hard for your opener to lift the door.
It may be as simple as the floor limit switch getting hit incorrectly.
The solutions firstly check that you re using it within the range required for your opener.
My garage door opens about six inches and stops i press the my garage door opens about six inches and stops i press the button twice so it will stop going down and then is goes up another 6 inches or so.