When the blue LED lights up the connection wire is plugged in with wrong polarity! Usually the light on the interface flashes sporadically when data is transferred between computer and BEASTX device but it mustn't light up continuously.</p><br /> | When the blue LED lights up the connection wire is plugged in with wrong polarity! Usually the light on the interface flashes sporadically when data is transferred between computer and BEASTX device but it mustn't light up continuously.</p><br /> |