Your garage door opener may tell you this by showing a blinking light.
Genie garage door will not close all the way.
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.
Something blocking the door.
Check for and clear any obstructions in its way.
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.
If there s something blocking the door from closing all the way a full close will be impossible.
They both have lights and both lights should be on.
The door won t close all the way if the bolt is too high on the track.
You will find that the door will only move an inch or so in the close direction and reverse.
Replace the wiring if needed with garage door opener wiring.
Genie openers apply only limited force to the garage door during closing.
Though this problem should be obvious it shouldn t be overlooked.
Check for reversed broken or cut wires.
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.
Staples can cut insulation and short out the wires.
The transmitters remotes will not work to close the garage door.
There is one on each side of the door.
Usually these sensors are located on the door tracks and very close to the floor.
All you will have to do in this case is readjust the sensors to allow the garage door to fully close.
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.
If one of them is off or blinking it means the invisible beam that tells the opener that the way is.