The problem is either due to a blocked path between the sensors dirty eyes loose wires at the sensors or at the motor head or just bad sensors.
Genie garage door will not close all the way.
You will find that the door will only move an inch or so in the close direction and reverse.
If one of them is off or blinking it means the invisible beam that tells the opener that the way is.
Replace the wiring if needed with garage door opener wiring.
Usually these sensors are located on the door tracks and very close to the floor.
If it is be sure that the lenses are mounted five to six inches from the floor on either side of the garage door opening.
Staples can cut insulation and short out the wires.
If there s something blocking the door from closing all the way a full close will be impossible.
Though this problem should be obvious it shouldn t be overlooked.
The transmitters remotes will not work to close the garage door.
There is one on each side of the door.
Locate them and determine if they are out of alignment.
For series ii wall console you can remove the wires from the back of the wall console and touch them together to see if the garage door moves.
Check for and clear any obstructions in its way.
If the problem persists check to see if the red safe t beam led indicator is blinking.
Step 4 turn the close force dial in small increments until the garage door reaches the ground when you hit the close button on the remote.
The door won t close all the way if the bolt is too high on the track.
Genie openers apply only limited force to the garage door during closing.
They both have lights and both lights should be on.
Your garage door opener may tell you this by showing a blinking light.
Something blocking the door.