Anet A8: Panel off and stops when heating

[parax]

Ok, so I bought an Anet A8 which has been working for a few hours correctly, and I was able to print some models accurately. But then suddenly it stopped working. In the middle of a PLA printing, the panel became blue and there was an acute sound coming from the area of the power supply. I had to restart the machine, but since then every attempt to print has the same effect as soon as it starts to heat the bed / nozzle. I was even able to reproduce it using “Quick settings => Preheat PLA”: As soon as the option is pressed, the panel becomes blue, the power supply makes that sound, and it stops there, doing nothing.

Sounds like a problem of the power supply, right?

Here is a video that shows the issue:

Thanks.

[Ewokalvino]

Check ps to board and board to bed/extruder conections