ok CM 1200W gold, running 1 ant and 1 BFL 60GH, power meter show 11.95V, and other 2 ant with 1000W CM gold draw 740W power meter show 11.80V hashing very well,
check all power cable all tight very tight.
i thing not the power issue
Ok... could be an issue. Make sure all your power is tight and you are supplying enough.