u/maybe89

Hej,

im running an pretty stock SV08 with mainline Klipper and eddy-ng on an 32GB EMMC. Recently i have trouble with with the printer randomly shutting down with the Error: Lost communication with MCU 'extra_mcu'. So somehow the connection between mainboard and toolheadboard is interrupted.

So far i replaced the wire harness and the entire toolhead. I also added ferrit cores on both USB cables and still getting the same error.

Any idea what else i can try? Thanks in advance.