error

Hello, When switched ON, my D30Pro's screen is displaying "Err.2" "Er.2" and freeze in this state. It is no longer usable at all. I tested to unplug every thing (except the power cable of course), but the error remains. Any thought ? I opened this new thread because I found that the other...

I bought a Topping D30 Pro and one night i want to open it but it shows me error code!!! Has anyone encountered this type of problem? I wrote to the topping service e-mail ([email protected]) but no response yet.