Your browser does not seem to support JavaScript. As a result, your viewing experience will be diminished, and you have been placed in read-only mode.
Please download a browser that supports JavaScript, or enable it if it's disabled (i.e. NoScript).
undefined
Thank you. After update firmware to 3.01-RC11 extruder fan turn on and works after starting print.
@pete1961 Problem Solved, Thanks!!!
Yes, connect it as either a 2-wire fan (using just red and black wires), or as a 4-wire fan as explained on that wiki page.