Bosch spv25cx01r hums ⇐ Bosch

[Blackday]

Good afternoon. I bought myself a PMM spv25cx01r. From the very first start it hums when washing, the sound is similar to a transformer. What could be the reason? Friends have the same one and the same buzz. But my mother has some kind of krupersberg and there you can hear nothing except the sound of water. I’m attaching a video of the noise.