I am loyal Repetier DeltaPrinter for life.
use 3 PWM outputs pin 36,40,41
36 Board with fans start G-code
40 and reserved
41 for Light and command M355 S1
these responses Host
17:08:55.586 : N31 M42 S255 P40 *50
17:08:55.601 : Error:Pin can not be set by M42, may in invalid or in use.
17:09:15.912 : N38 M42 S255 P41 *58
17:09:15.928 : Error:Pin can not be set by M42, may in invalid or in use.
17:09:25.428 : N42 M42 S255 P36 *55
17:09:25.428 : Set output: 36 to 255