Did you do any changes to the network settings? I have mine running on Nicehash with 33.5 Gh @ 690 watts.
At first fire up, did not do anything. Waited 5min and the miner status was still refreshing. So I check the instruction pdf on their website and change the network setting as in the instructions. Still nothing. Even reset and still nothing, I was able to upgrade no problem.
I think your network settings causing the problem. Check your dns1 and dns2 settings. For me, with default settng it was working fine. After couple of minutes i changed network settings with wrong dns1 and dns2 by mistake. Then i changed them to default numbers and its working fine now.