Hi all so i have my 4028 part cooling fan installed it works but irrelevant of what percentage i set it at in slicer or manually in mainsail it only runs at 100% or off currently have blue wire from fan going to what i assume is PA0 on the toolboard i have tried the white wire as well ground is going to one of the heatbed neg terminals and power is going to one of the fan headers on the octopus please help here are my config files i use a user config as well pictures to follow