The photo eye will be about 4 6 inches off of the ground for most doors with an eye that is about the size of a pea.
Garage door will not open or close all the way.
Garage door won t close all the way if the garage door opens correctly but fails to close completely there may be one of three common causes.
If your garage door is not balanced right it won t go up or down all the way.
Disengage the garage door.
You should now be able to move the door up and down by hand.
From here lift the garage door by hand about 3 feet above the ground and then release the door and see were it lands.
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.
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.
Check the limit switch.
Secure the door if necessary.
One or more of these reasons is likely responsible for your garage door closing partially but not all the way.
This checklist will help you identify the reason why your garage door won t open all the way which in turn will reveal whether or not it s time to call in a professional garage door repair service.
The majority of garage doors manufactured since the early 1990s are equipped with this safety feature.
If your garage door won t close all the way the problem could be due to a blocked photo eye.
In order to figure out why your garage door.
There is one on each side of the door.
The close limit switch may need adjusting.
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.
Something blocking the door.
They both have lights and both lights should be on.
Let s take a closer look 1.
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.
Most garage doors from the past 15 20 years have a photo eye which detects if a person or object is blocking the door from lowering all the way.
But the springs that are part of your overall garage door system balance the door in two ways.
To check the balance pull the emergency release cord or chain to disconnect the door.
Close the door completely.
Your garage door has set limit switches that instruct the motor when to stop running both when it is opening and when it is closing.
First check the sensor lights.
Depending on the brand.
We mentioned that the springs are needed to balance the great weight of the door and make it easier to open and close the door.
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.
If one of them is off or blinking it means the invisible beam that tells the opener that the way is.