Voron Trident 300 Raspberry Pi 4 1GB RAM Fysetc Spider 2.2 CAN Setup with Mellow FLY-SB2040-V2 and Mellow FLY-UTOC-V1 Twisted the default Mellow Wires as per their instructions Installation as per their instructions Has a Phaetus Rapido and Sunon 10k RPM Fan attached, aswell as Klicky and KNOMI, St…

Did you produce you candump with this command ? The candump log must be produced using the -tz -Ddex command-line arguments (for example: candump -tz -Ddex can0,#FFFFFFFF ) in order to use the parsecandump.py tool. If no - then catch that log again, for analysis I need last 60 seconds before iss…

I did run a candump for the entirity of the last 4 hour print which is what is attached, but for file size it was only logging error frames or rather bit stuffing violations in frame explicitly. While I still dont know what did it, I did switch the CAN Bridge board for a Canable board, and switched…

I have changed the Toolhead board from a MELLOW FLY SB2040 v2 to a v3, I have changed the Mellow U2C to a MKS Canable, changed its USB cable multiple times, I have changed the CAN cable twice, I have changed and upgraded the Pi, changed the MCU firmware between 32 and 64 bit because someone said tha…

Hi I’m not some high expert on canbus, but from what I see in your latest data at certain moment RPi did send message to canbus but it was not acknowledged by other side (probably RP2040) and 2 flags was raised BRS and ESI BRS - Bit rate switch ESI - Error State Indicator (6961.476757) can0 …

[image] gaolst: and 2 flags was raised BRS and ESI In my experience, the candump tool randomly reports B and E in its output. I recommend completely ignoring those columns during analysis. -Kevin

how exactly you did restore canbus communication ? Pretty much anything works. I can simply do FIRMWARE_RESTART and it will work again, I can reboot and it will work again. I dont have to physically do anything for the board to reconnect, even though the log contains that it shouldnt be able to s…

[image] VoltexRB: Pretty much anything works. I can simply do FIRMWARE_RESTART and it will work again, I can reboot and it will work again. I dont have to physically do anything for the board to reconnect, even though the log contains that it shouldnt be able to send a reset in the first place …

I did try with the ~November version of 64 bit MainsailOS first which is what I had on, then put on the current version of 64bit MainsailOS, then put on 32bit MainsailOS as I read somewhere that this fixed a similar issue for someone else, then i put on the current version of the normal 64bit Raspbe…

[image] VoltexRB: although I doubt that this would be a limiting factor as canbus traffic is maybe at 1kb/s I’m suggesting test because you need some reliable method to reproduce the issue without loosing physical 3D print job and you can leave it running for long time, additionally increased…

CAN-Bus suddenly losing connection ~3 Hours into Prints

General Discussion

VoltexRB April 2, 2024, 3:33pm 2

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Mellow Installation Manual

Timer too close SB2040 Pro and Manta M8P V2.0

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CAN-Bus suddenly losing connection ~3 Hours into Prints

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