It could happen for any number of reasons but some people have trouble figuring out how to reconnect the door to the automated system.
Garage door red pull string.
Liftmaster 41a2828 red emergency pull rope with handle.
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The process really is not very difficult to do and it can be done in just a little time.
Beyond that the torsion spring is color coded so that technicians can determine the thickness or gauge of the wire.
There s usually a little lever that the string attaches to.
The emergency release cord is the red rope that hangs from the door trolley.
The trolley is connected to the door and moves with the door as it opens and closes.
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When you pull it it disconnects the door from the drive mechanism.
Pulling the red release cord will disengage the trolley from the opener carriage the part that is moved by the motor along the rail.
The color code on a torsion spring indicates whether it is a right wind or left wind spring with black indicating right wind and red indicating left wind.
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Now go push the button.
Once these two parts are separate you can move your garage door manually.
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Push up on it and it should snap into place.
The opener carriage is the automated mechanism that moves the door along the door rail track.
There will probably come a time when almost every homeowner needs to use the release cord on the garage door.