Garage Door Opener Hums But Chain Doesn T Move

There are a number of possible causes.

Garage door opener hums but chain doesn t move.

This excess tension causes the gear that moves the chain to grind down. If the chain was installed too tightly on the garage door opener it can make opening the door more difficult for the automatic opener. The springs need to be put in a certain way so that they continue to work and allow the door to move up and down and catch it smoothly. Home owners say that they can hear the motor running but the opener simply will not operate the door.

This is frustrating especially if you re trying to get your car out of the garage. Press the remote or the wall mounted start switch listen to the motor and watch the movement of the chain. This will require a bit of time but it is pretty simple to accomplish. Automatic garage door opener runs but door doesn t move.

Check each spring to make sure that it isn t damaged and is set in the right spot. If the motor hums but the chain doesn t move that indicates a problem with the motor. One is the drive and worm gear replacement set which is 25 71 model 41a2817 or the whole drive assembly which includes these parts but is pre assembled is 34 11 model 41c4220a. If the gear becomes too worn it will no longer be able to move the chain.

It is best to troubleshoot the issue to determine the appropriate solution. When one spring is working and another isn t it may cause the garage door to hum without moving.