Updated

Assets/script/FloorSwitch.cs

@@ -3,12 +3,15 @@ using System.Collections;
 
 public class FloorSwitch : MonoBehaviour {
 
+    //Ignore sprite renderer in file and set image useing first place in list
     
-    public Collider2D playerCollider;
+    public GameObject player;
     public bool isSwitchOn = false;
     public Sprite[] sprites;
-   
+    public bool isSwitchBack = true;
 
+
+    private Collider2D pCol;
     private bool charIsOn = false;
     private SpriteRenderer spriteRenderer;
 
@@ -16,17 +19,20 @@ public class FloorSwitch : MonoBehaviour {
     void Start ()
     {
         //Sets sprite to first frame
-        spriteRenderer = GetComponent<Renderer>() as SpriteRenderer;      
+        pCol = player.GetComponent<Collider2D>();
+        spriteRenderer = GetComponent<Renderer>() as SpriteRenderer;
+        spriteRenderer.sprite = sprites[0];
     }
 	
 
     void OnTriggerEnter2D(Collider2D col)
     {
 
-        //Debug.Log("somthing moving on");
+        //Debug.Log(col.name);
 
-        if(col == playerCollider)
+        if(col == pCol)
         {
+            //Debug.Log("somthing moving on");
             //Turns on bool and changes sprite
             isSwitchOn = true;
             spriteRenderer.sprite = sprites[1];
@@ -36,10 +42,11 @@ public class FloorSwitch : MonoBehaviour {
     void OnTriggerExit2D(Collider2D colE)
     {
 
-        //Debug.Log("somthing moving off");
+        
 
-        if (colE == playerCollider)
+        if (colE == pCol && isSwitchBack == true)
         {
+            //Debug.Log("somthing moving off");
             //Turns off bool and changes sprite
             isSwitchOn = false;
             spriteRenderer.sprite = sprites[0];