Make basic checks first.
Garage door buzzes but won t open.
If the motor buzzes and doesn t move an unobstructed and disconnected trolley replace the drive motor.
If your door won t open no matter what you do but you still need to get your car out locate a red cord hanging from the track.
As we have mentioned in previous blogs the torsion springs are the muscle of the door and pull it up and place it down properly.
How to fix a chain drive garage door when it won t open 1.
Although rare a failed drive motor is another reason why the door won t open.
Tug on it hard and it.
Many garage doors have a powerful torsion spring located horizontally above the door.
It can also be caused by attempting to use the garage door opener with a broken torsion spring.
Ensure that the unit is plugged in the door isn t locked and if you are using a remote.
It typically has a small ball at the end.
If the motor doesn t run at all you may need to replace the garage door opener logic board.
Unfortunately this is just something that happens with usage over time.