Ensure that the unit is plugged in the door isn t locked and if you are using a remote that the remote has batteries.
Garage door not connected to chain.
You may be missing that part.
If your opener seems to overrun the switch and just keeps trying to pull the garage door up or down after it reaches the end of travel you might assume that it missed the.
Raise the garage door fully.
Begin the chain disassembly.
I hope this helps.
If an extension is being used is comes with a longer chain and cable.
Most garage doors have an emergency release typically a red pull cord that allows the door to be opened and closed manually.
Just click here to watch the video.
Check the breaker controlling the door opener and reset if it it s tripped.
Remove this nut from the bolt with a socket wrench.
Pull straight down on the emergency release rope once the door is open.
The chain is located in the garage door s pulley bar.
The motor will run but will not move the chain.
Otherwise the solution is to add some links to the chain.
This enables the trolley to connect to the carriage.
When the cord is pulled the motor is disengaged from the chain.