Hello, we're having an odd issue with our M2's fans. The printer is the 12v/19v version, has 3 12v fans (2x40mm, 1x50mm). The 50mm fan controlled with M106 (plugged into Extruder Fan 0) works fine. I can control that, turn it on/off, change speeds, etc. The 40mm fans (plugged into extruder fan 1) ar...