#MCU communication lost

1 messages · Page 1 of 1 (latest)

random valley
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I keep getting this sporadically never the same amount of time during prints causing a shutdown.. I don't really get what I'm looking for in here, but looking for lost communication to the mcu towards the end shows "Timeout with MCU 'mcu' (eventtime=25378.755375)
Transition to shutdown state: Lost communication with MCU 'mcu'"

📎 klippy.log
sonic rockBOT
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AI Help

It seems like you are experiencing a communication issue with your 3D printer's MCU (Microcontroller Unit) during prints. This can cause the printer to shut down. To troubleshoot this problem, you can try the following steps:

  1. Check the USB or serial cable connections between your computer and the printer. Make sure they are securely plugged in.
  2. Ensure that you have the latest firmware installed on your printer. Sometimes, firmware updates can fix communication-related issues.
  3. Consider using a different USB or serial port on your computer to ensure it's not a port-related problem.
  4. Check if there are any loose wires or connections within the printer itself. Reseat or tighten them if necessary.
  5. If you are using an SD card to print, try using a different card or formatting the existing one to rule out any issues with the card.
  6. Try printing with a different slicer software or using a different computer to see if the issue persists. This can help determine if it's a sof...
WARNING: This response is AI generated and may contain errors.
sonic rockBOT
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random valley
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bump

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Does that reopen?

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  File "/home/admin/klipper/klippy/gcode.py", line 459, in _respond_raw
    os.write(self.fd, (msg+"\n").encode())
BlockingIOError: [Errno 11] Resource temporarily unavailable```
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what could be the cause?

sonic rockBOT
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This post has been closed due to inactivity.

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pine bluff