Garage Door Motor Running But Chain Not Moving

If the motor hums but the chain doesn t move that indicates a problem with the motor.

Garage door motor running but chain not moving.

Maybe you have a broken torsion spring or the door is too heavy. Those are the two blue screws. If this is the case the motor will run but as the chain isn t where it should be it can t generate the lift to open the door. This process varies by manufacturer and model but many openers can be re engaged by pulling the emergency cord a second time.

Home owners say that they can hear the motor running but the opener simply will not operate the door. As the shoe moves into the trolley the emergency release should reset but if the release is jammed or broken that might not be happening. Image taken from a chamberlain manual. I ve not worked on garage doors before but i.

The motor will start and stop in response to button pushes like it is supposed to normally the first push starts it in one direction the 2nd reverses the direction and the 3rd will stop the motor. The chain and door connector assembly haven t budged since. One garage door malfunction that is very frustrating is when it will not open. 2 if it is getting power then disconnect the door and then see if the chain will move.

When we push the open button the motor runs and makes sound by the chain that opens the door does not move. However the chain has completely stopped moving and by extension so has the door. Automatic garage door opener runs but door doesn t move. The motor should be driving a chain or belt.

If the cord has accidentally or purposely been pulled the automatic door opener will not work until the chain is re engaged. This causes the motor to run for an extensive period of time before it seems to timeout and give up. There s something wrong with the garage door opener that s stopping it from opening the door for you. Press the remote or the wall mounted start switch listen to the motor and watch the movement of the chain.

There are a number of possible causes. In most cases the cause will be a stripped gear or a chain that has come off the sprocket.