Unfortunately, the cables were contacted completely wrong. On the ground of the current and vice versa was. Has a quite very expensive ASIC block Erupter Cube identified the Gar immediately. Unbedarfterweise you think yes, that the cables are the correct polarity and reverse polarity. Well, you learn from your smart.
The "return" of the cable was handled very quickly and easily: cables in the garbage and the purchase price was paid without objection. However, in comparison to a blown Miner unfortunately a very small consolation.