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