Basic Information: Printer Model: Anycubic Predator MCU / Printerboard: SKR 1.4 Turbo klippy.log klippy.log (325.7 KB) Describe your issue: “MCU ‘rpi’: Unable to connect. Once the underlying issue is corrected, use the ‘FIRMWARE_RESTART’ command to reset the firmware, reload the configuratio…

mcu 'rpi': Unable to open port: [Errno 2] No such file or directory: '/tmp/klipper_host_mcu' You have the Pi set up as a secondary MCU for your adxl. When you reinstalled the OS you deleted all of files that make that work. You need to reinstall that. https://www.klipper3d.org/RPi_microcontroller.…

Klipper Broken Again?

General Discussion

Sineos October 10, 2023, 10:31am 2

Check if Debian 11 (Bullseye) udev bug - No board or serial found is applicable

Topic		Replies	Views
Mcu 'mcu': Unable to connect after Sep 17 klipper update General Discussion	6	149	November 22, 2024
Mcu 'rpi': Unable to connect The klippy host software is attempting to connect General Discussion	4	5008	June 11, 2024
Mcu 'rpi': Unable to connect after update and reinstall General Discussion	3	2607	March 12, 2024
Mcu unable to connect to klipper General Discussion	12	562	October 25, 2024
Klipper unable to connect to MCU after exhausting other support materials I could find General Discussion	4	78	March 16, 2025

Klipper Broken Again?

Related topics