[BUG] Sidewinder X1 MKS Gen L Fan issue

[braintr84]

Did you test the latest bugfix-2.1.x code?

Yes, and the problem still exists.

Bug Description

since upgrading to Marlin 2.1.2. (Digant build to work with Hemera) part cooler fan does not work correctly, when set to 255 via M106 Fan turns at full speed, on 254 fan barely turns( with strange wining noise), on 253 stops completly. tried also with spare fan.

Bug Timeline

since upgrading to 2.1.2

Expected behavior

Fan turns according to M106 value, 0 = 0, 255= max, 128 = 50% etc

Actual behavior

M106 S255 = max speed
M106 S254 = barely turns, wining noise
M106 S253 = fan stops completely
M106 >S253 = no movement

Steps to Reproduce

No response

Version of Marlin Firmware

2.1.2

Printer model

Artillery Sidewinder X1

Electronics

Stock board, but with BLW touch waggster mod & E3D Hemera

Add-ons

only above listed

Bed Leveling

ABL Bilinear mesh

Your Slicer

IdeaMaker

Host Software

OctoPrint

Don't forget to include

• A ZIP file containing your Configuration.h and Configuration_adv.h.

Additional information & file uploads

No response

[ellensp]

This has already been reported and a PR created to fix it.
See #25343

[github-actions]

This issue has been automatically locked since there has not been any recent activity after it was closed. Please open a new issue for related bugs.