MCU 'mcu' shutdown: ADC out of range #571
michaelalanchase
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I've posted a follow up general klipper question relating to this over here: |
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Been using the rooted klipper configuration provided by the great helper script here for a few months on my K1C.
Had experience with klipperised ender 3s and klipper on a qidi smart3 printer, and this script (and the ability to get to root/fluidd etc) was the reason I purchased a K1C at all. I've printed LOTS of items in PLA without issue.
When I went to print ABS on the K1C for the 1st time, I kept getting "MCU 'mcu' shutdown: ADC out of range" error 2092.
Looking online this seems to be thermistor or wiring related, but I could not isolate it to the hotend or the bed by heating them independently. The logs did not seem to give much helpful information.
It would never give an issue at PLA temperatures, but reliably fail 5-10 mins (<5 layers) into a ABS print.
Creality sent me a new hotend, which I installed and the exact same problem returned (prints perfect PLA, throws the error on ABS). Creality asked me to revert the firmware to stock (ie no fluidd etc), which I did, and did an upgrade to 1.3.3.8 firmware, and was then printing many ABS items perfectly.
So, I thought the firmware or klipper config changes (minimal) I made might have been the issue, so I reinstalled via the helper script, and the first 2 ABS prints failed again. Uninstalled everything with the helper script and multiple ABS prints worked fine.
I really don't know where to start debugging this, as the error seems to be coming from deep inside klipper, in a compiled python script on the printer.
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