Confronted with an issue. Improperly connected cable USB pulling the +5 V is on the other connector (Pin 4 D-). Then, of course, ceased to operate the software. I want to ask - my pump is beyond repair or electronics will not recover?
I lifted the hood and checked all the diodes. This diode was burned. Unfortunately, I do not know what the face value can be replaced. Here is his picture:

Please forgive me for my English - it is not my native language. I look forward to a reply.