Ditto X4 glitched

Ditto X4 glitched

Hi! I’ve purchased a ditto x4 a couple of months ago.
It was working perfect and all of a sudden all 4 lights are lit
and no sound is coming out.
I’ve read a couple of related posts here but nothing seems to work.
As I read,I’ve tried to put the usb,then hold the loop 1 and put its power supply.
After a while the led above loop 1 is supposed to turn off but it doesn’t.
What can I do?

read more

Source: http://forum.tcelectronic.com