Reciever Problem. On my JVC RX-6008V the display comes up "Overload" I checked the speaker wire,

Question

On my JVC RX-6008V the display comes up "Overload" I checked the speaker wire, the wire was good, i checked the speaker, it was good. I even tried switching speakers and it still doesnt work. It usually happens when i try to turn it up. So i figured it was an internal problem.