Sometimes homeowners will find that their automatic garage door opener runs but the door doesn t move.
Garage door opener making noise but not moving.
So if you are pressing your wall console or remote and you hear the operator making noise but the door is not moving you just might need to replace your drive gear or screw drive coupler.
Replace the gear and sprocket assembly or the drive and worm gears when they re worn and making noises.
This is frustrating especially if you re trying to get your car out of the garage.
Worn gears inside the garage door opener s motor unit can make grinding or buzzing noises.
If you can manually lift the door then i d start by checking the motor capacitor.
Automatic garage door opener runs but door doesn t move.
It sounds to me like the motor is not starting.
Luckily these parts can be replaced.
If it s on the way out that could explain the intermittent failure.
They can hear the motor going but the door itself is not opening.