If you had a red wire coming from your ceiling it is hooked up to your wall switch. Copper or green wire is the ground wire and keeps your fan from experience power surges.

Hunter Ceiling Fan 4 Wire Switch Repair
Green wire ceiling fan. So if you wire your fan without the ground wire it. There is a green ground wire on the ceiling fan mount plate. The second solution to the problem is to wire the ceiling fan without the ground. Third connect the two green wires from the ceiling fan kit to the exposed copper wire with a wire nut. The ground wire will be attached to the mounting bracket which is metal or use a wire connector to attach the green ground wire from the fan directly to the bare ground wire from the ceiling if your house is newer and has one. Typically a green wire is attached to your fan bracket and the other green wire is attached to the fan itself.
Attach the black wires together from the fan and ceiling with a wire connector. Now coming out of the fan are 3 wires and the green ground. Twist the copper ends of the wires together to connect them together. If the cable has already been pulled through the wall and ceiling from the switch box to the fan box youll see a white black red and neutral wire in the fan box and youll see the same four wires in the switch box. The wires are black blackwhite and white. The ground wire carries displaced electricity away to reduce the risk of electrical shock if lets say the metal parts of the ceiling fan or any other appliance or part attached to your electrical system becomes accidentally charged with electricity.
The instructions are woefully scant and do not account to the 6 wires from the ceiling. These are the circuit wires. If you have a blue and black wire coming from your household circuit you should have two switches on your wall. In addition youll see another black white and neutral wire in the switch box. Attach the bare copper wire from your electrical box to the short green wire by twisting and. Finally connect the red wire from the electrical box to the remaining wire.
Leave the green or copper wire thats coming out the ceiling unattached for now. Find the short green wire or the green ground screw on your ceiling fan hanging bracket. Before making the connections turn off the beaker in the main panel that controls the circuit and test the black circuit wire with a non contact voltage tester to. The ground wire doesnt carry any electrical current unless there is a problem in your electrical system.