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Question throat fan


New member
Printer Model
Voron 2.4R2
Cooling Type
Hi there, i ahve a issue with the throat fan (4010) on a V2.4R2. I have to start it manualy so it dont block the filament, if set at 100% at start it lower at 30% or so and keep rising as the print go on. Is there a way to make it start automatically at the begin of the print?
It sounds like you have a configuration error. In all stock voron configs, the heat break fan is configured as a "heater_fan" tied to the hot end heater, meaning it runs any time the hotend is on.

Perhaps you have swapped the wiring, and have it connected where the part fan is supposed to be? (That's the one just known as "fan" in klipper)