Random Lost communication with

General Discussion
1

Basic Information:

Printer Model: Ender 3
MCU / Printerboard: Creality board 4.2.7
Host / SBC: Raspberry PI 3
klippy.log

klippy (1).log (2.1 MB)

klippy.log (1.6 MB)

Fill out above information and in all cases attach your klippy.log file (use zip to compress it, if too big). Pasting your printer.cfg is not needed
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Describe your issue:

Hello guys I have a really wierd bug my klipper is randomly shutting down or losing communication , sometime it happends when the printer is not working sometime when is in half of print and sometime it work normaly and can print 6 hours can someone help me i tried to change the connection cables (usb) I even changed the powersupply but nothink work if it help when I press klipper restart it starts loading and after that it puts ERROR (Can not update MCU ‘mcu’ config as it is shutdown) its the klippy (1) log if someone know how to help i would be happy
Thank you Samu

BTW: I am save money for new board (Manta E3EZ, V1.0) if you have any opinion on it let me know

2

klippy.zip (3.4 MB)
I got new Cabel and power supply

3

And the result?

4

Nothing help still the same error

5

Update I don´t have that much time to find the problem so I installed Octoprint and classic 4.2.7 (that works fine) fimware and I will save up for the Manta Thank you for effort

6

Welcome samu,

I don’t get, what

means?

7

In short it solved I will buy new motherboard

8

I don’t understand what you did! Can you please explain?

9

I installed Octoprint on the PI and install clasic fimware for the printer that is all

10

Since you already have a Raspberry Pi, you might be better off getting an SKR Mini or Pico, since they connect over USB. The Manta will require you to purchase a CM4/5 or CB1/2 in addition to the board itself.

11

Yes I know , I read somethink about it and have lot of plans with my ender so I went for the Manta