Unfortunately this is just something that happens with usage over time.
Garage door buzzing sound.
Replace the gear and sprocket assembly or the drive and worm gears when they re worn and making noises.
The gears are spinning but nothing else is happening.
If you hear a garage door grinding noise it could be the rollers.
This wear could damage the roller surface causing them not to roll correctly.
The door track rollers move each time you open or close the door leading to a lot of movement and causing wear.
That is the buzzing sound that the customer hears.
Because it hums when you try to open it the battery is working properly.
A worn belt or chain and cable assembly can also make noise tighten chain or belt tension to correct this problem.
It can also be caused by attempting to use the garage door opener with a broken torsion spring.
When you find that your garage door motor is making a humming noise but not opening and closing it typically means that it has gone off track or needs some sort of small adjustment.
Worn gears inside the garage door opener s motor unit can make grinding or buzzing noises.