Encountered a very strange problem

General Discussion
1

Basic Information:

Printer Model: FFF
MCU / Printerboard:CB1+M8P2.0
Host / SBC
klippy.log

I encountered a very strange problem. My printer automatically shut down without warning during the normal printing process (no response when clicking pause, or it took a long time to respond.), and I saw “CPU” in the notification bar of the touch screen. 100% RAM 34%" red prompt (my other machines also have these prompts, but they will not crash). In the log, I only found “EXITING SD CARD PRINT” and no other abnormalities, but I was graphical After checking my log files, I found that my temperature data seemed to be lost for a while, and the machine automatically heated up. It was the first time I encountered such a strange problem, and it confused me. All screenshots are below.

IMG_20240806_003018
IMG_20240806_0030181920×2560 295 KB

2

You’re going to need to post the full klippy.log.

3

klippy.log (3.9 MB)

4

From the log it looks like you just paused the print and you are referencing non existing pins in the pause and resume macros.

5

I had a similar problem it was a shorted part cooling fan

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