Hat sich gerade erledigt, habe die Antwort selbst gefunden
#define FIX_MOUNTED_PROBE
This in theory are for proximity sensors. Since using proximity sensors are fixed probe (not retractable), this feature will ignore the z probe triggered state during printing or other than G28/G29 command so that you’re able to bring the nozzle closer to the bed.
[
www.marlinfw.org]