They can easily become mis aligned due to bumping twisting and loose mounting.
Garage door only closes if i hold the button down.
Your remote is normal too.
Until it completely closes and the remotes only make the door move.
If that isn t the problem then try opening and closing the door with the wall switch.
You will find that the door will only move an inch or so in the close direction and reverse.
When you can close the door with the wall button by holding it down.
You may find that the door will only move an inch or so in the close direction.
When the garage door is closed and the button on the control is pushed it will open all the way just fine but when i try to close the garage door it won t close unless i hold the button down until it s in a the fully closed position.
Most likely this will resolve the situation.
So if you have to do this to close the door it means the sensor is malfunctioning.
Any transmitter like a handheld clicker or outdoor keypad will also not work to close the door if there is a problem with the sensor.
In the case that the door responds to the switch then there s a good chance it s the remote that has an issue.
Part way up stop and then back down is normal operation for a stop due to a heavy door or a too lightly set door force to open.
When this happens your garage door will only close by holding down on the wall button or wall console until the door fully closes.
You are overriding the infrared beam sensor when you hold down the wall button continuously while the garage door is closing.
Try replacing the batteries in the remote and trying again.
This method is the only way to override the safety sensors and close the door.
This is also a direct clue that the safety sensors are the problem.
A small amount and the door returns that is the sign of the safety sensor system.
This method is the only way to override the safety and close the door.