# Issue with parts cooling fan

**URL:** <https://klipper.discourse.group/t/issue-with-parts-cooling-fan/1096>\
**Category:** General Discussion\
**Created:** [October 12, 2021, 6:34pm UTC](https://klipper.discourse.group/t/issue-with-parts-cooling-fan/1096 "2021-10-12T18:34:11Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Temneanu](https://avatars.discourse-cdn.com/v4/letter/t/54ee81/32.png) [@Temneanu](https://klipper.discourse.group/u/Temneanu)\
**Post date:** [October 12, 2021, 6:34pm UTC](https://klipper.discourse.group/t/issue-with-parts-cooling-fan/1096/1 "2021-10-12T18:34:11Z")

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I have a small issue with the parts cooling fan  
On the slicer i have set up the speed 100% but on klipper i have 39%! Any ideas?

[IMG\_20211012\_135738|666x500](https://klipper.discourse.group/uploads/short-url/qOCMgU5rO9XUxkW3KO6UUsaZw7Y.jpeg)

 ![IMG_20211012_135711](https://global.discourse-cdn.com/free1/uploads/klipper/original/1X/53072ee73854fa501bfbd935d2dfc712728316aa.jpeg)

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**Author:** ![EddyMI3D](https://yyz2.discourse-cdn.com/free1/user_avatar/klipper.discourse.group/eddymi3d/32/1981_2.png) [@EddyMI3D](https://klipper.discourse.group/u/EddyMI3D)\
**Post date:** [October 13, 2021, 8:46am UTC](https://klipper.discourse.group/t/issue-with-parts-cooling-fan/1096/2 "2021-10-13T08:46:26Z")

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Something is messed up here.

Have a look what value is set in the gcode.  
Usually slicers produce values from 0 to 255.  
Somewhere 255 is set to 100(%).  
The value 100 equals approx 39% of a maximum value of 255.  
You may check fan the settings in printer.cfg

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**Author:** ![EddyMI3D](https://yyz2.discourse-cdn.com/free1/user_avatar/klipper.discourse.group/eddymi3d/32/1981_2.png) [@EddyMI3D](https://klipper.discourse.group/u/EddyMI3D)\
**Post date:** [June 18, 2024, 1:43pm UTC](https://klipper.discourse.group/t/issue-with-parts-cooling-fan/1096/3 "2024-06-18T13:43:25Z")

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