Good evening, I got the Roborock S7 on Monday and wanted to try it out today. From the beginning I get error 1. Neither does it clean nor does it drive to the station. Both a firmware update and a reset worked. It gets very loud 3x, the side brush rotates, then the error comes. The laser rotates most of the time, but stops. I think I have a defective device from the beginning. Or has someone already had this?