Detach the opener by pulling the emergency handle downward.
Garage door opener runs but gear won move.
Sometimes homeowners will find that their automatic garage door opener runs but the door doesn t move.
This indicates that something in the opener system has malfunctioned.
If you are able to raise your garage door easily it is not the problem.
Follow the steps in this repair guide and video to replace the gear and sprocket assembly in craftsman chamberlain and liftmaster chain drive garage door openers.
Check to make sure the pulley is not boken.
Replace a broken gear and sprocket assembly with the manufacturer approved replacement part.
In this case the motor will run and the gear will turn but the chain will not move and the door will not open.
They can hear the motor going but the door itself is not opening.
If not re engage it.
Automatic garage door opener runs but door doesn t move.
If the gear and sprocket assembly breaks the motor runs but the door won t move.
Replace broken chain belts sprockets or pulleys.
There are mainly two reasons for this occurrence and one of the reasons is depicted in this blog.
This excess tension causes the gear that moves the chain to grind down.
The next step is to attempt to open your garage door manually.
60 minutes or less.
If the gear becomes too worn it will no longer be able to move the chain.
This repair guide and video show step by step how to replace the drive and worm gears in a chain drive garage door opener.
This is frustrating especially if you re trying to get your car out of the garage.
Check to make sure the chain belt assembly is not broken or off its pulley.
You activate the door opener by either a remote control hand held unit or by pressing the wall button mounted on the wall and hear the motor humming but the garage door does not move.
This will determine if the issue is connected to the door itself or the opener.
If the chain was installed too tightly on the garage door opener it can make opening the door more difficult for the automatic opener.