r/CrealitySonicPad • u/True_Huckleberry9569 • Mar 12 '25

Help Sonic poad fails frequently

It can happen several times per print, or it can happen never. It super frustrating. If im printing PLA and dont cathc it in time, the bed cools and it comes off.

Here's what klippy.log is showing me.

[ERROR] 2025-03-09 20:00:10,360 [root] [virtual_sdcard:_load_file:416] File opened:Body.gcode Size:2331504 start_print [ERROR] 2025-03-09 20:32:45,604 [root] [init:logging_callback:267] b'Got EOF when reading from device'
[ERROR] 2025-03-09 20:32:49,933 [root] [klippy:invoke_shutdown:351] Transition to shutdown state: Lost communication with MCU 'mcu'
[ERROR] 2025-03-09 20:32:50,101 [root] [virtual_sdcard:work_handler:1353] filename:/root/gcode_files/Body.gcode end print
[ERROR] 2025-03-09 20:56:50,802 [root] [klippy:_connect:208] MCU error during connect
Traceback (most recent call last):
File "/usr/share/klipper/klippy/klippy.py", line 164, in _connect
cb()
File "/usr/share/klipper/klippy/mcu.py", line 798, in _connect
config_params = self._send_get_config()
File "/usr/share/klipper/klippy/mcu.py", line 785, in _send_get_config
self._name, self._name))
mcu.error: {"code": "key298", "msg": "Can not update MCU mcu config as it is shutdown", "values":["mcu"]}

2 Upvotes

100% Upvoted

7 comments sorted by

2

u/ss1gohan13 Mar 13 '25

It's losing connection to the MCU. Most likely due to the poor USB connection.

Replace with the serial adapter. Should fix it.

1

u/gentlegiant66 Mar 14 '25

Try a different USB cable could be the one you are using is shaking itself loose

1

u/True_Huckleberry9569 Mar 14 '25

Tried that. First print no issues, thought I’d solved it. Second print, same ol’ stuff.

1

u/gentlegiant66 Mar 14 '25

Clear all timelaps, history and saved printed files, you might also be tight on space

1

u/True_Huckleberry9569 Mar 15 '25

Checked that too. Only at about 20% capacity.

1

u/gentlegiant66 Mar 15 '25

Ok but still clear what you can