Sudden drop in table temperature

Basic Information:

Printer Model: anycubic kobra go
MCU / Printerboard:Raspberry Pi 3 Model B Rev 1.2 / Huada Semiconductor HC32F460
klippy.log (3.6 MB)


Please tell me what to do. The printer is heated, everything is fine, but as soon as it starts printing, the table temperature drops to - 80 C.

Fill out above information and in all cases attach your klippy.log file (use zip to compress it, if too big). Pasting your printer.cfg is not needed
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Describe your issue:

Might be an issue with your PSU or wiring/daughter boards for the thermistors.

Probably you did mean extruder is dropping to 80 …

Those Vertical doted lines indicate that there was a Gcode command which did requested new temp setting. So look at your GCode file.

Oh, now i get your question was about “-80” :slight_smile:
As @LifeOfBrian already did state - wiring, Psu, etc …

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