Liftmaster Garage Door Opener Motor Runs But Chain Doesn T Move

The motor should be driving a chain or belt.

Liftmaster garage door opener motor runs but chain doesn t move.

The next step is to attempt to open your garage door manually. Now the motor runs but the chain doesn t move. This is frustrating especially if you re trying to get your car out of the garage. This will determine if the issue is connected to the door itself or the opener.

Get up on a ladder and look at the top of the unit. If the motor hums but the chain doesn t move that indicates a problem with the motor. Press the remote or the wall mounted start switch listen to the motor and watch the movement of the chain. This process varies by manufacturer and model but many openers can be re engaged by pulling the emergency cord a second time.

Detach the opener by pulling the emergency handle downward. 3 if the chain still doesn t move check the force settings on the motor head. If you are able to raise your garage door easily it is not the problem. They can hear the motor going but the door itself is not opening.

Sometimes homeowners will find that their automatic garage door opener runs but the door doesn t move. The motor will run but will not move the chain. If this fixes the problem then oil the door and turn the screws back down until it no longer opens and closes and then turn 1 8th back up. You should be able to easily see if the chain is off the sprocket.

A professional garage door technician will be able to tell you whether it is best to replace the opener or repair the old one. Chamberlain group cgi the corporate parent company to liftmaster chamberlain merlin and grifco is a global leader in access solutions and products. This indicates that something in the opener system has malfunctioned. We design and engineer residential garage door openers commercial door operators and gate entry systems.

It sounds like the chain might not be on the sprocket that drives it. My old 15 years liftmaster chain garage door opener is making noise at motor driver gear part when the chain is going up with or without door engaged. Try running the opener while you are up there too. Automatic garage door opener runs but door doesn t move.

If the cord has accidentally or purposely been pulled the automatic door opener will not work until the chain is re engaged. Those are the two blue screws. If the chain or belt moves then the opener motor is ok and the problem is probably at the emergency release.