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.
Garage door chain stopped moving.
Always look for loose hardware before you start checking out any other problems that might be associated with your chain drive garage door opener begin looking at the various nuts and bolts on the unit.
This excess tension causes the gear that moves the chain to grind down.
Press the remote or the wall mounted start switch listen to the motor and watch the movement of the chain.
I ve not worked on garage doors before but i have a degree in computer electrical engineering.
The chain and door connector assembly haven t budged since.
In most cases the cause will be a stripped gear or a chain that has come off the sprocket.
Squeaky garage door or garage door grinding sound when opening or closing if you hear a garage door grinding noise it could be the rollers.
Maybe you have a broken torsion spring or the door is too heavy.
Turn them to clockwise to max and try again.
There s something wrong with the garage door opener that s stopping it from opening the door for you.
Troubleshooting your chain drive garage door opener is easily done by following a few steps.
In order to fix this you ll want to make small changes to the close limit setting until the door opener knows to stop once the door has reached the floor.
However the chain has completely stopped moving and by extension so has the door.
2 if it is getting power then disconnect the door and then see if the chain will move.
Those are the two blue screws.
If the gear becomes too worn it will no longer be able to move the chain.
If your garage door is closing fully and then reversing to open again then it may be due to a problem with the close limit switch.
This wear could damage the roller surface causing them not to roll correctly.
If the motor hums but the chain doesn t move that indicates a problem with the motor.
Chain too tight if the chain was installed too tightly on the garage door opener it can make opening the door more difficult for the automatic opener.