When the door won t go down automatically.
Nothing blocking garage door still wont close.
Check your garage floor and the area surrounding it for any objects or debris that might be causing the improper close.
When you know you re in range and the door still won t open check to make sure the antenna is hanging down from the motor inside your garage and nothing is blocking it.
If your garage door was installed after 1993 it has two safety sensors on either side of the door.
The majority of garage doors manufactured since the early 1990s are equipped with this safety feature.
If anything interrupts this beam of light the garage door will not close and the ceiling light on the opener mechanism will flash as mentioned in the previous step.
If one sensor can t detect the other it stops the garage door from closing.
See if there is something under the door or blocking the safety sensors.
Your antenna must be free from any obstruction to clearly receive the signal to open and close the door.
Now if there is nothing physically blocking the door and sensors you can check the safety sensors to ensure they are clean and correctly aligned.
Each sensor has a photo eye that transmits a beam to its mate.
If it is sticking the opener won t force it lest something break.
Another thing that can prevent your garage door from closing are obstructions that are blocking the lenses.
The photo eye components consist of two pieces that align face to face across each side of the garage door roughly four feet above the ground.
Disconnect the drive mechanism pull the rope hanging from where it engages the track or flick the lever the rope would move it it was there manually close and open the door to verify that it is operating smoothly.
Depending on the brand.
Also inspect the antenna for any signs of damage.
The first step to take when your garage door won t close is to look around and do a visual check.
If your garage door won t close all the way the problem could be due to a blocked photo eye.
You may also want to check the tracks and the garage door itself for the culprit.
Clutter or obstructions that block the sensor are the first problems to look for if your door won t close or in extreme cases open at all.
If something is blocking the safety beam then the garage door will not close.
Garage doors are heavy and to prevent injuries manufacturers of automatic openers include safety sensors to stop the door when someone is in the way.
If there s something blocking the door from closing all the way a full close will be impossible.
First check the sensor lights.
