![firmware - Marlin 1.1.x on Ender 3 changing PREHEAT_1_FAN_SPEED has no effect? - 3D Printing Stack Exchange firmware - Marlin 1.1.x on Ender 3 changing PREHEAT_1_FAN_SPEED has no effect? - 3D Printing Stack Exchange](https://i.stack.imgur.com/dJh5p.png)
firmware - Marlin 1.1.x on Ender 3 changing PREHEAT_1_FAN_SPEED has no effect? - 3D Printing Stack Exchange
2.x Fan speed (M106) doesn't work until after G1 command · Issue #8579 · MarlinFirmware/Marlin · GitHub
![In Marlin (2.1.1), is Speed a percentage of what I set in the slicer? Or is this mm/s and overrides slicer settings? : r/3Dprinting In Marlin (2.1.1), is Speed a percentage of what I set in the slicer? Or is this mm/s and overrides slicer settings? : r/3Dprinting](https://i.redd.it/5oicrtlizdy91.jpg)
In Marlin (2.1.1), is Speed a percentage of what I set in the slicer? Or is this mm/s and overrides slicer settings? : r/3Dprinting
![BUG]Part Cooling Fan not Running - after clicking on Menu it starts with 100%, not adjustable - SKR Mini E3 V2 · Issue #20670 · MarlinFirmware/Marlin · GitHub BUG]Part Cooling Fan not Running - after clicking on Menu it starts with 100%, not adjustable - SKR Mini E3 V2 · Issue #20670 · MarlinFirmware/Marlin · GitHub](https://user-images.githubusercontent.com/69717507/103769000-cf7bb300-5023-11eb-8662-7463eb737298.jpg)