All garage door/s and automation needs to serviced once a year to ensure a ballanced weight on the and that there is no strain the motor.
All garage door/s must be opperated in full view and only once the door has reached its full cycle either in the open or closed position then only can one drive into or out the garage.
Torsion and Tension Springs and Cabels has a life span of 3 to 5 years,and should be replaced when it has reached the 5years mark as they can and will break causing damage to the door and motor and can result in serious injuries and possible death.