When the LED lights up the connection wire is plugged in with wrong polarity! The light on the USB2SYS may only flash sporadically when data is transferred between computer and MICROBEAST unit but it mustn't light up continuously. | When the LED lights up the connection wire is plugged in with wrong polarity! The light on the USB2SYS may only flash sporadically when data is transferred between computer and MICROBEAST unit but it mustn't light up continuously. |