If you find that it keeps running this can present a problem in your system.
Garage door opener runs and stops.
If this is the case the motor will run but as the chain isn t where it should be it can t generate the lift to open the door.
This requires a simple turn with a screwdriver to reset the limit so the garage door opens and closes all.
When this unusual problem occurs it means the up limit switch probably needs to be moved away from the motor unit.
The motor continues to run after the garage door is closed.
The logic board receives and responds signals to any remote.
When the opener is activated the screw rotates causing the nut to move until it reaches the switch.
Quite often the cause of your door s malfunction is an improperly set garage door limit.
These systems usually operate with little difficulty but occasionally.
There s something wrong with the garage door opener that s stopping it from opening the door for you.
Doing this can save you some amount of cash.
It is rare for this problem to suddenly appear.
Measure the height where the door stops while it is being opened.
When the garage door opens about halfway or 5 feet from the ground and stops the up limit switch needs to be adjusted.
If it happens at all it will usually be noticed when you first install the garage door opener.
Garage door openers use a system of springs sensors pulleys and tracks to automatically open and close your garage door.
You might need to consider replacing it if your door is not working properly or you may purchase a new opener.
Sometimes the limit switch is activated by the movement of a specially shaped nut traveling on this track.
Open up the case and look for a screw type track that moves when the opener runs.
If your garage door opens and suddenly stops it might be because of your logic board.
In a typical situation the motor for your garage door opener should stop running once the door has closed.