Garage Door Buzzes But Won T Open

How to fix a chain drive garage door when it won t open 1.

Garage door buzzes but won t open.

Although rare a failed drive motor is another reason why the door won t open. Disengage the door from the trolley by pulling the emergency cord if none of the basic checks reveals a simple. Unfortunately this is just something that happens with usage over time. It can also be caused by attempting to use the garage door opener with a broken torsion spring.

When the door is lowered the spring winds up tightly creating a pulling force that helps lift the door up. Ensure that the unit is plugged in the door isn t locked and if you are using a remote. If the motor buzzes and doesn t move an unobstructed and disconnected trolley replace the drive motor. If the door only moves a few inches and stops the rpm sensor could be bad.

It typically has a small ball at the end. If the motor doesn t run at all you may need to replace the garage door opener logic board. Make basic checks first. If your door won t open no matter what you do but you still need to get your car out locate a red cord hanging from the track.