I found any blocks with my Ants too.
http://s28.postimg.org/seareqcn1/Unbenannt.png

But my Antminer No 3 (screenshot) have to much hw. I have same settings at all Ants but this one is brutal..
http://s17.postimg.org/40sxqybfj/Unbenannt2.png

I test 350MHz, 375MHz and 400MHz. All time same results. Is my Ant No 3 defect? He mines pretty well at pool.