Thermal runaway stock ender 3v2 with Ender3V2-422-MM-MPC-20231208

[notwired]

Did you test with a precompiled firmware?

Yes, and the problem still exists.

Bug Description

Was printing a gcode from octoprint installed on RPi and after 30 minutes, tasmota plugin that was monitoring thermal limits reported a thermal runaway and turned off the printer. Octoprint reported that the temperature blinked at 1000 degrees C.

Bug Timeline

printed fine with this firmware for many days

Expected behavior

No response

Actual behavior

No response

Steps to Reproduce

No response

Version of Professional Firmware

Ender3V2-422-MM-MPC-20231208

Printer model

Creality Ender 3V2 stock

Electronics

Board 4.2.2

LCD/Controller

No response

Other add-ons

No response

Bed Leveling

None

Your Slicer

Cura

Host Software

OctoPrint

Additional information & file uploads

No response

[mriscoc]

Did you removed the +VUSB from the USB cable? https://github.com/mriscoc/Ender3V2S1/wiki/Octoprint

[notwired]

Yes its taped day one. Since yesterday i printed the same part twice and no error. Maybe its the hotend thermistor going bad.

[mriscoc]

Could be related to https://github.com/mriscoc/Ender3V2S1/issues/889

[Fortex365]

4.2.2 + stock e3v2 thermistor and heater, custom build your firmware from latest in december:

rpi power pin disabled

[mriscoc]

Your temperature plot is very inconsistent, check your thermistor.

[github-actions[bot]]

This issue has had no activity in the last 60 days. Please add a reply if you want to keep this issue active, otherwise it will be automatically closed within 10 days.

[github-actions[bot]]

This issue has been automatically locked since there has not been any recent activity after it was closed. Please open a new issue for related bugs.