No FAN0_PIN

Marlin/pinsDebug.h

   #if PIN_EXISTS(FAN)
     PIN_SAY(FAN_PIN);
   #endif
-  #if PIN_EXISTS(FAN0)
-    PIN_SAY(FAN0_PIN);
-  #endif
   #if PIN_EXISTS(FAN1)
     PIN_SAY(FAN1_PIN);
   #endif

Marlin/pins_A4JP.h

 #define HEATER_BED_PIN       3
 
 #define FAN_PIN              8
-#define FAN0_PIN             6
-#define FAN1_PIN             2
+#define FAN1_PIN             6
+#define FAN2_PIN             2
 
 //
 // Misc. Functions