Basic Information: Printer Model: Ender 3 MCU / Printerboard: SKR E3V3 mini Host / SBC Raspi Zero2W klippy.log klippy(5).log.zip (105.0 KB) Describe your issue: So I haven’t been able to complete a print for a few weeks. The pi shuts down mid print and ruins the print. There was one time w…

Do you have cooling (heatsink, fan) for the Pi? MCU is recommended. USB chip also.

I did have heatsinks on the 3 B+ but no fan Eddy. It was shutting down due to overheating before I put the heatsinks on it. It ran fine like that right through summer when the ambient temp was getting well over 40 deg C, I only started having problems recently and the ambient temp has been around 12…

Thanks Sineos, I’ll go through that thread when I get back home later.

So I just completed my first successful print for a few weeks. It seems like it’s solved but I need to do a longer print to confirm it. I ran the stress tests Sineos suggested in the thread he linked to & everything seemed fine, so I added dtoverlay=dwc2 to /boot/firmware/config.txt and it seems O…

So I was able to knock out a 4 1/2 hour print the other day and I thought the issue was solved but I just got another timer too close error after barely warming it up, so the issue persists. So it’s as reliable as 2 bob watch. Maybe the raspi zero 2w isn’t up to the job, who knows. I’m pretty much …

Well, you are talking about different issues. The initial one was caused by a bug in the Raspberry Pi Linux kernel and basically had nothing to do with Klipper If you now get a TTC, then it is a different story. See Timer too close

Thanks Sineos, I had a suspicion that EMI interference could be an issue. The printer & Pi are on the same circuit as a fridge, which is not really ideal but that’s unavoidable right now. My ocilloscope died recently so I’m just guessing what could be wrong really. I put a hifi style line filter on …

Raspi shuts down mid print

General Discussion

Sineos September 3, 2025, 1:44pm 3

Check Help: Klipper crashes mid-print - #44 by Sineos

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Raspi shuts down mid print

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