If so loosen the chain adjuster until it is no longer jammed against the bolt run the opener down a few inches and then unplug it.
Garage door opener hums but won t move.
Disengage the door from the trolley by pulling the emergency cord if none of the basic checks reveals a simple explanation for why the door won t open.
If you are able to raise your garage door easily it is not the problem.
Not the garage door the opener trolley.
Detach the opener by pulling the emergency handle downward.
They can hear the motor going but the door itself is not opening.
This will determine if the issue is connected to the door itself or the opener.
Look at it closely i ll bet it is jammed against the 5 16 bolt just in front of the motor unit.
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.
Automatic garage door opener runs but door doesn t move sometimes homeowners will find that their automatic garage door opener runs but the door doesn t move.
Try to open the door manually.
Is it all the way in the up open position.
This is frustrating especially if you re trying to get your car out of the garage.
This indicates that something in the opener system has malfunctioned.
If your chain drive garage door opener motor runs but the garage door won t move the drive and worm gears might be stripped or worn.
The next step is to attempt to open your garage door manually.
There are mainly two reasons for this occurrence and one of the reasons is depicted in this blog.
This repair guide and video show step by step how to replace the drive and worm gears in a chain drive garage door opener.