If you have a blue and black wire coming from your household circuit you should have two switches on your wall.
Green wire ground ceiling fan.
Copper or green wire is the ground wire and keeps your fan from experience power surges.
The wires are black black white and white.
Now coming out of the fan are 3 wires and the green ground.
There is a green ground wire on the ceiling fan mount plate.
Depending on your fan the wire can either be green or copper in color.
Typically a green wire is attached to your fan bracket and the other green wire is attached to the fan itself.
Twist the copper ends of the wires together to connect them together.
If you had a red wire coming from your ceiling it is hooked up to your wall switch.
The ground wire doesn t carry any electrical current unless there is a problem in your electrical system.
There should be two white wires from the ceiling fan kit and one from the box third connect the two green wires from the ceiling fan kit to the exposed copper wire with a wire nut.
The color indicates it is a ground wire.
The instructions are woefully scant and do not account to the 6 wires from the ceiling.
Its function is to keep the device from undergoing power surges.