3 feed the other end of the cord through the emergency release lever on the door opener.
Reconnect garage door after emergency release.
To achieve the connected position pull the emergency release cord down and toward the door away from the motor.
Reconnect garage door to motor.
Re connect the trolley to the opener carriage.
The next step is to go to the inside of the garage door.
An emergency release cord on the garage door arm opens the trolley to allow you to disengage the garage door from the opener.
When you are ready to reconnect your door pull the emergency cord toward the door to put the spring lever of the trolley in the connect position and allow it to attach to the carrier.
If simply hitting the button does not work you will have to take more action.
Some units will actually reconnect themselves but this is not typically the case.
The first thing to do is hit the door button.
Once the power is restored to the garage door opener you must.
When the spring lever is in the connected position the position required to re engage the garage door opener carriage the spring lever is compressed.
Tie a single overhand knot in the cord about an inch from the end.
From here you can manually move the garage door along the rail to meet with the carrier or use your garage door opener and it will connect automatically.