Invert E dir of Geeetech A10 (#16149)

config/examples/Geeetech/A10/Configuration.h

@@ -1010,12 +1010,12 @@
 // @section extruder
 
 // For direct drive extruder v9 set to true, for geared extruder set to false.
-#define INVERT_E0_DIR false
-#define INVERT_E1_DIR false
-#define INVERT_E2_DIR false
-#define INVERT_E3_DIR false
-#define INVERT_E4_DIR false
-#define INVERT_E5_DIR false
+#define INVERT_E0_DIR true
+#define INVERT_E1_DIR false  // unused, the A10 only has one extruder by default
+#define INVERT_E2_DIR false  // unused, the A10 only has one extruder by default
+#define INVERT_E3_DIR false  // unused, the A10 only has one extruder by default
+#define INVERT_E4_DIR false  // unused, the A10 only has one extruder by default
+#define INVERT_E5_DIR false  // unused, the A10 only has one extruder by default
 
 // @section homing