Fine tuned XYJERK.

Disallowed the Z_PROBE_OFFSET_RANGE_MAX to be greater than zero.

Marlin/example_configurations/Hephestos_2/Configuration.h

 #define DEFAULT_TRAVEL_ACCELERATION   1000    // X, Y, Z acceleration in mm/s^2 for travel (non printing) moves
 
 // The speed change that does not require acceleration (i.e. the software might assume it can be done instantaneously)
-#define DEFAULT_XYJERK                20.0    // (mm/sec)
+#define DEFAULT_XYJERK                15.0    // (mm/sec)
 #define DEFAULT_ZJERK                 0.4     // (mm/sec)
 #define DEFAULT_EJERK                 2.0     // (mm/sec)
 
 #if ENABLED(CUSTOM_M_CODES)
   #if ENABLED(AUTO_BED_LEVELING_FEATURE)
     #define CUSTOM_M_CODE_SET_Z_PROBE_OFFSET 851
-    #define Z_PROBE_OFFSET_RANGE_MIN -20
-    #define Z_PROBE_OFFSET_RANGE_MAX  20
+    #define Z_PROBE_OFFSET_RANGE_MIN -5
+    #define Z_PROBE_OFFSET_RANGE_MAX  0
   #endif
 #endif