First check the sensor lights.
Why does my garage door not stay up.
If you determine that the sensors are not blocked you could be dealing with faulty or misaligned safety sensors.
Inspect your garage entrance and floor for any potential culprits.
It goes partway down reverses direction and goes back up again.
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 your garage door is not balanced right it won t go up or down all the way.
From here lift the garage door by hand about 3 feet above the ground and then release the door and see were it lands.
The main reason for this is that the springs aren t holding as they should you will need to have your springs adjusted to give your garage the ability to hold the weight of the door.
The transmitters remotes will not work to close the garage door.
While many problems that keep the door from opening are caused by broken springs a lot of other parts could be keeping your door from functioning properly.
There are two different types of spring systems for garage doors.
It s time to investigate the problem.
Contact an expert to schedule repair.
You should now be able to move the door up and down by hand.
If your garage door slips down below the header after you have opened it you garage door springs need to be adjusted.
This setting basically controls how much force is allowed when closing the garage door.
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.
Torsion springs are mounted directly above the door and need to be wound with special tools.
You will find that the door will only move an inch or so in the close direction and reverse.
There can be a few reasons as to why your garage door won t stay closed and by doing some snooping and checking a few parts of the garage door system you ll be able to see what s really going on.
The most common reason as to why a garage door won t stay closed is that the limit settings are off.
Adjusting the limit travel setting.
If you find that your garage door is reversing before even hitting the floor then it could be possible that there is a problem with the close force setting.
You push the button to close the garage door.
Adjustments to these types of spring should only be done by a professional.
To check the balance pull the emergency release cord or chain to disconnect the door.
Depending on the brand.
One of the more difficult problems for do it yourselfers to diagnose is a worn cable pulley on an extension spring door.