EBBCan loses connection randomly

General Discussion
1

Basic Information:

Printer Model: Voron 2.4
MCU / Printerboard: BTT Octopus Max EZ
Host / SBC: x86 desktop computer with AMD A10-4655M APU, 4 cores, 16GB RAM
klippy.log

klippy.log (478.9 KB)

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Describe your issue:

I tried to print something with my Voron 2.4. But for a reason, I cannot get behind, it fails with the BTT EBBCan losing connection. Back in 22nd of August it worked flawless and printed properly. The failure has no clear timing when it fails. I cannot pinpoint what it is since back in August it printed without any issues.

Any help is appreciated :slight_smile:

More details: The only way to restart the printer is by restarting the klipper service. It does not help to execute FIRMWARE_RESTART or RESTART commands.

2

From the log, it is what it is. Messages can’t be delivered to the EBB.

I guess this thread can assist you to some degree: New Voron instance lost communication with EBB (can bus)

3

Good find man, I check the post and it is fairly similar to my issue. I am just confused that it happens now but used to work for so long. But on the other hand, my dad has similar issues (he has basically the same Voron). The capacitor would probably work, would it work connecting the powerlines directly to the PSU instead of the MCU?