Depending on the brand.
Garage door not closing without holding button down.
First check the sensor lights.
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.
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.
Like mentioned above there are two lenses one on each side.
Check for interference from adjacent photo eye sensors of any brand.
The transmitters remotes will not work to close the garage door.
They can easily become mis aligned due to bumping twisting and loose mounting.
When this happens your garage door will only close by holding down on the wall button or wall console until the door fully closes.
Another thing that can prevent your garage door from closing are obstructions that are blocking the lenses.
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.
Step by step procedures to try if the garage door of your home will not go down without holding the button before calling a repair man was this video helpful.
Press and hold the wall console button until the garage door is completey closed.
If something is blocking the safety beam then the garage door will not close.
Door starts down then stops before it is closed.
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 an operational problem exists and the garage door opener will not close the opener can be forced to close.