Why is there no power on the load side of a GFCI outlet?
If you're getting power on the LINE side but not the LOAD side of the GFCI, there's a few possibilities.


The GFCI is not set.  


Make sure the reset button is pushed in all the way.

The device is not wired probably.


GFCIs typically will not set if they are wired incorrectly.

The device is defective.


Exchange it, or buy a new one.

There's a ground-fault. 


Find the fault and fix it.



Based in your description, it sounds like a defective device.