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.
Garage door won t move at all.
The main drive gear is the plastic gear that comes in direct contact with the worm drive gear on the motor.
Fix any issues you find or have a garage door specialist repair the garage door.
2 brace the open door.
If the motor buzzes and doesn t move an unobstructed and disconnected trolley replace the drive motor.
Also make sure the door latch retracts fully.
Try to open the door manually.
This is frustrating especially if you re trying to get your car out of the garage.
If the latch gets locked accidentally or it isn t fully retracted then the door won t move.
Replace the main gear drive if the garage door opener makes a grinding noise but the door doesn t move your main drive gear is probably toast.
The following is a guide of how to adjust the tracks to unbind it.
They can hear the motor going but the door itself is not opening.
If the door only moves a few inches and stops the rpm sensor could be bad.
First check the sensor lights.
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.
Move the garage door up and down until you find a place where the door stays suspended when you let go.
If the door doesn t move at all or sticks in some areas check for a bent door track.
Loosening the screws on the track use a screwdriver to loosen the screws that are in the tracks to secure it to the garage door frame.
If the motor doesn t run at all you may need to replace the garage door opener logic board.
Clutter or obstructions that block the sensor are the first problems to look for if your door won t close or in extreme cases open at all.
Depending on the brand.
Although rare a failed drive motor is another reason why the door won t open.