vu+ duo red ligth problem

camionero

Vu+ Newbie
Can somebody help me please my vu+duo only shows a red light and i cannot flash the box not by USB and not with the VU-Util tool neither the last time i used the box the only thing i did is turn off on the back and turn on thax all and now i have only red light in the display ? can some one help me thank you very much.
 
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