Welcome! I just found your problem. I had same problem on my Berlingo (when i bought), it had faulty main IGBT. When you press the throttle then there is a yellow warning light, and the fault is: chopper board failure. The price of the IGBT is app. usd 27, and took about 2 hours to exchange. There was no burning marks on the chopper control board (usually the excitation's small IGBT like to burn) .
Bye:
Laszlo
thank you for your advices, but a few days ago I sell my eCar. So, there is no further chance to fix the fault.
Very nice that you want to help me.
best greetings
Markus