Basic Information: Printer Model: Vcore 3 MCU / Printerboard: Octopus Pror Host / SBC rpi4 klippy.log its strange {“error”: {“code”: 404, “message”: “Not Found”, “traceback”: “Traceback (most recent call last):\n\n File "/home/pi/moonraker-env/lib/python3.11/site-packages/tornado/web.py",…

my god… solved… i have use Kiauh, and Rollback Klipper… AND NOW WORKS… thanks, as ever for your help, and sorry for disturb [image]

I really have a hard time to follow this description and understand your issue. Please check How-To Ask for Help . Here are various methods listed to access the relevant log files.

Sorry, my English is not very good, I use Google Translator… I’ll try to rephrase the question. First of all, I don’t attach any Klippy.log, because I can’t download it, when I try I get the message in Fluidd that I posted above… { "error": { "code": 404, "message": "Not Found", "tra…

[image] Peurif: First of all, I don’t attach any Klippy.log, because I can’t download it, when I try I get the message in Fluidd that I posted above… You already used Putty to connect to your Rpi. You may use the search function here to search in which directory on your Rpi the “klippy.log” …

[image] Peurif: What can I try? Disconnect the Octopus board Reconnect the board Follow How-To Trouble-Shoot

i have find klippy.log klippy.log (5.6 MB)

i have sended dmesg by console… but i cant interepretate. can someone help me? Thx dmesg.txt (36.7 KB) EDIT: Without knowing much…in dmesg appears listed Octopus… andin lsusb result does appear detected by rPi.

I’m not sure that I understand your report: dmesg shows that the Octopus MCU is correctly enumerated your latest klippy.log shows a correct Klipper start with connected Octopus MCU

versions after rollback… [before update] now i am triying to rerun update… more info later…

eiii… after update… now works… [image] and screenshot working [image]

Can reflash Klipper in MCU?

General Discussion

Sineos December 5, 2024, 8:28am 5

Disconnect the Octopus board
Reconnect the board
Follow How-To Trouble-Shoot

Topic		Replies	Views
Mcu 'mcu': Unable to connect after Sep 17 klipper update General Discussion	5	229	September 23, 2024
Klipper Broken Again? General Discussion	8	2812	October 10, 2023
I reflashed my mcu while it was probably not needed General Discussion	7	216	April 26, 2025
Embedded rpi not updating klipper General Discussion	4	2056	January 26, 2024
Klippy not connected? after updates General Discussion	27	13256	May 24, 2023

Can reflash Klipper in MCU?

Related topics