I also got an answer from Mark Lane: he says a firware update MIGHT be the solution and has sent me a file to do it. Problem is I don´t have an interface cable, buying one means another 90 US dollars or so, and there´s no confirmation that it would be a definitive solution. He´s also offered to issue a RAN to send it back to the factory in case the aforementioned didn´t work, or it wasn´t an option.
I´m not sure about investing more money in a product which hasn´t proved itself as reliable.
I´m not sure about investing more money in a product which hasn´t proved itself as reliable.