FF on MOBO

[zmallon2]

I am new to PC building and have limited knowledge. My build is as follows:

Asus Crosshair V formula Z MOBO
4.7 8 core CPU
MSI Radeon R9 390X VGA
EVGA 850W PSU
Corsair Vengeance Pro (4 X 8gb)

I think I have everything plugged in properly. Everything boots up and the MOBO goes through a series of codes. It stops after getting an FF code. I read a lot but all the answers aren't working for me. I tried stripping down to the MOBO and CPU only. But same code. Can anyone help?

 

[Tradesman1]

Believe FF is a reserved code, not in use (at least that's what it shows in my CVFZ mobo manual - have you tried the build outside of the case?