Unfortunately these parts often go out over time which may cause your garage door opener to no longer function.
Garage door opener making noise but not moving.
A worn belt or chain and cable assembly can also make noise tighten chain or belt tension to correct this problem.
Luckily these parts can be replaced.
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.
This is frustrating especially if you re trying to get your car out of the garage.
Replace the gear and sprocket assembly or the drive and worm gears when they re worn and making noises.
Sometimes homeowners will find that their automatic garage door opener runs but the door doesn t move.
You may notice physical damage to the capacitor leaking buldging etc.
If it s on the way out that could explain the intermittent failure.
Worn gears inside the garage door opener s motor unit can make grinding or buzzing noises.