// This option prevents extrusion if the temperature is below EXTRUDE_MINTEMP.
// It also enables the M302 command to set the minimum extrusion temperature
// or to allow moving the extruder regardless of the hotend temperature.
// *** IT IS HIGHLY RECOMMENDED TO LEAVE THIS OPTION ENABLED! ***
#define PREVENT_COLD_EXTRUSION
#define EXTRUDE_MINTEMP 170
Sei sicuro che il tuo hot end sia ad una temperatura superiore a 170 gradi ??? se piu bassa il tuo estrusore non funziona...
