Mcu 'rpi': Unable to connect after update and reinstall

[mtbmarkus]

Basic Information:

Printer Model: VZbot 4wd
MCU / Printerboard: octopus v1.1
klippy.log
moonraker (7).log (74.2 KB)
klippy (17).log (211.8 KB)

Describe your issue:

…
After a update i was not able to reach my mcu.
Now i have reinstalled evertythinh but still the same message mcu ‘rpi’: Unable to connect. I connect via usb and have RPI z2w

installed klipper firmware from btt github - same
installed the firmware from makemenu config - same
Installed new mainsail os - same

[Sineos]

The Klipper “host-mcu” process according to RPi microcontroller - Klipper documentation seems not correctly installed or has some other issues.

Also refer to Klipper-mcu Service Fails to Start. The issue outlined there might not be your issue, but it should give you some troubleshooting hints.

[mtbmarkus]

Thank you!
Everything works now when i installed RPi microcontroller