Basic Information: Printer Model: Custom MCU / Printerboard: SKR 2.0 rev B klippy.log Fill out above information and in all cases attach your klippy.log file. Pasting your printer.cfg is not needed Be sure to check our Knowledge Base and in particular this and this post Describe your issue: H…

Your bandwidth is quite high Advanced Trouble-Shooting / Graphing Klipper . More than half of your klippy.log is filled with: Unknown command:“M205” Maybe Crealty Ender 3 unknow command M205 over and over and over · Issue #610 · Klipper3d/klipper · GitHub ? Good luck, hcet14

[image] Timeout with MCU / Lost communication with MCU Knowledge Base Timeout with MCU / Lost Communication with MCU Background This error occurs when the Klipper host receives no response from a connected MCU to its regular “heartbeat” or other command message…

Thanks for the replies! I created a makro to filter out the unknown command. As far as I know m205 is created by cura and is ignored by klipper in general. Without the unknown command showing up my print failed again. I did a fresh installation of the raspberry pi and reflashed the board as well. B…

[image] vincent: As far as I know m205 is created by cura and is ignored by klipper in general. Yes, I agree. Line 1360-1364 in your klippy.log reports: Write g-code response Traceback (most recent call last): File “/home/pi/klipper/klippy/gcode.py”, line 446, in _respond_raw os.write(se…

Several errors causing Lost communication with MCU 'mcu'

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Sineos May 7, 2023, 1:19pm 3

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Several errors causing Lost communication with MCU 'mcu'

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