enable ENSURE_SMOOTH_MOVES

Marlin/example_configurations/delta/flsun_kossel_mini/Configuration.h

 
   // Set the number of grid points per dimension.
   // Works best with 5 or more points in each dimension.
-  #define ABL_GRID_POINTS_X 9
-  #define ABL_GRID_POINTS_Y ABL_GRID_POINTS_X
+  #define ABL_GRID_MAX_POINTS_X 9
+  #define ABL_GRID_MAX_POINTS_Y ABL_GRID_MAX_POINTS_X
 
 // Set the boundaries for probing (where the probe can reach).
 #define DELTA_PROBEABLE_RADIUS (DELTA_PRINTABLE_RADIUS - 15)
 // Preheat Constants
 #define PREHEAT_1_TEMP_HOTEND 180
 #define PREHEAT_1_TEMP_BED     70
-#define PREHEAT_1_FAN_SPEED   255 // Value from 0 to 255
+#define PREHEAT_1_FAN_SPEED   0 // Value from 0 to 255
 
 #define PREHEAT_2_TEMP_HOTEND 240
 #define PREHEAT_2_TEMP_BED    100
-#define PREHEAT_2_FAN_SPEED   255 // Value from 0 to 255
+#define PREHEAT_2_FAN_SPEED   0 // Value from 0 to 255
 
 //
 // Nozzle Park -- EXPERIMENTAL

Marlin/example_configurations/delta/flsun_kossel_mini/Configuration_adv.h

  * Multiple extruders can be assigned to the same pin in which case
  * the fan will turn on when any selected extruder is above the threshold.
  */
+
 #define E0_AUTO_FAN_PIN -1
 #define E1_AUTO_FAN_PIN -1
 #define E2_AUTO_FAN_PIN -1
 #define E3_AUTO_FAN_PIN -1
 #define EXTRUDER_AUTO_FAN_TEMPERATURE 50
-#define EXTRUDER_AUTO_FAN_SPEED   255  // == full speed
+#define EXTRUDER_AUTO_FAN_SPEED   255  // 255 == full speed
 
 // Define a pin to turn case light on/off
 //#define CASE_LIGHT_PIN 4
 //    interrupts (without LCD update). By enforcing a minimum time-per-move, the buffer is prevented from
 //    draining.
 //
-//#define ENSURE_SMOOTH_MOVES
+#define ENSURE_SMOOTH_MOVES
 #if ENABLED(ENSURE_SMOOTH_MOVES)
   //#define ALWAYS_ALLOW_MENU      // If enabled, the menu will always be responsive.
                                    // WARNING: Menu navigation during short moves may cause stuttering!