If you re in the habit of leaving the garage door open a variety of things including.
My garage door won t go down.
Also check the cables.
A twisted or slightly bent track may be the culprit.
If you ve tried everything listed above and your garage door still won t go down you.
If you operate your door manually and the door will not go all the way down don t force it.
Something is blocking the beam either the sender or receiver is misaligned kicked.
Something mechanical has most likely bound up.
Can you hold the button down to make the door go down.
If your garage door all of sudden won t go up and you re sure the transmitters are working properly and power is getting to the motor then you may have broken torsion springs.
For those who are unfamiliar with how garage door sensors work there are two sensors each.
How to fix a garage door that won t go all the way down safety sensors.
Force your garage door closed.
Carefully inspect the track and the rollers to see if something is stuck.
If the door goes up but you can t make it go down you probably need to adjust the sensors.
When you pressed the button did the opener lights blink at you.