Solved Random halts/freezes of Klipper/RPi/software/hardware,...?

[xark]

Printer Model

Voron Trident

Extruder Type

Clockwork 2

Cooling Type

Stealthburner

Hello everybody.

I own a Voron Trident for about two weeks now. I bought the LDO kit RevD with Leviathan and Nitehawk boards. It prints beautifuly and flawlessly,... exept it randomly freezes/halts when printing. So far I have printed only PLA, so no high temps yet(nozzle=215˚C, bed=60˚C). After 20, 35, 60, 80min,... It must be a reason that it stops printing but I can not find it and boy I have tried to find the flaw. I checked all the logs in Klipper(klippy, moonraker, fluidd,..), logs on RPi 3B+, journalctl, dmesg and I can not see any errors.

I am running RPi OS, fully updated and same for Klipper and other modules. I have searched on the internet for all the possible reasons and tried them. I changed USB cables from Leviathan to RPi, connected to different USB ports with three different cables. I tried unplugging power supply from Leviathan to RPi and I gave separate power adapter to RPi micro USB with 3A rating with same results. I reinstalled RPi OS to a different USB thumb drive and even tried in different USB ports,... still the same. I even soaked RPi in contact cleaner and dried it,....

RPi is running at 40˚C when control fan are running, when they are not(idle), it is at 50˚C.

Please help me out. What else should I try and which logs do you want me to upload here?

Thank you in advance for all your help.

 

[shiftingtech]

Does the pi freeze, or does the print job stop? You kinda say both at different points in your post, so I'm not sure which is actually under discussion. For example, can you still access the web ui after the print stops?

 

[xark]

Does the pi freeze, or does the print job stop? You kinda say both at different points in your post, so I'm not sure which is actually under discussion. For example, can you still access the web ui after the print stops?

Print job stops and RPi freezes. I can not connect to RPi in any shape or form(web or ssh). KlipperScreen does not work too. Only power off, power on helps.

 

[xark]

I found the problem and solved it. It was my fault. I installed latest RPi 64bit OS on my RPi 3B+ and it was causing random freezes/halts of printer. I tested it with latest 32bit and legacy 32bit RPi OS-es and it works without problems.

Please mark this topic as solved and let it be a lesson to other newcomers like me.