Basic Information:
Printer Model: Ender 3
MCU / Printerboard: Octopus Pro V1.1 (H723)
klipper shows “MCU ‘mcu’ shutdown: Not a valid PWM pin”
this is my klippy log
klippy (7).log (4.9 MB)
…
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Fixed this issue by changing the fan from PA8 port to PD12 port
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