diff --git a/app/gui/oven_control/define.h b/app/gui/oven_control/define.h
index 8ece2ee..61cd6c3 100644
--- a/app/gui/oven_control/define.h
+++ b/app/gui/oven_control/define.h
@@ -5,11 +5,11 @@
 
 #define MAJOR_VER   1
 #define MINOR_VER   2
-#define HOTFIX_VER  01
+#define HOTFIX_VER  02
 
 // 0 for normal
 // 1 for premium
-#define MODEL_GRADE 1
+#define MODEL_GRADE 0
 
 namespace Define
 {
diff --git a/app/gui/oven_control/ovenstatics.h b/app/gui/oven_control/ovenstatics.h
index d117d69..3d96bbe 100644
--- a/app/gui/oven_control/ovenstatics.h
+++ b/app/gui/oven_control/ovenstatics.h
@@ -218,46 +218,48 @@ public:
     void resetSensorHistory(void);
 
 private:
-
+    /*
+     * 180920 : 중심온도 센서 과열 에러 삭제     *
+     */
     const uint32_t sys_err_mask[3][MAX_MODEL_COUNT] = {
-                                                             {0x03b8, //ele_10
-                                                             0x03b8, //ele_20
-                                                             0x03b8, //ele_24
-                                                             0x03b8, //ele_40
-                                                             0x03b8, //lpg_10
-                                                             0x03b8, //lpg_20
-                                                             0x03b8, //lpg_24
-                                                             0x03b8, //lpg_40
-                                                             0x03b8, //lng_10
-                                                             0x03b8, //lng_20
-                                                             0x03b8, //lng_24
-                                                             0x03b8 //lng_40
+                                                             {0x0398, //ele_10
+                                                             0x0398, //ele_20
+                                                             0x0398, //ele_24
+                                                             0x0398, //ele_40
+                                                             0x0398, //lpg_10
+                                                             0x0398, //lpg_20
+                                                             0x0398, //lpg_24
+                                                             0x0398, //lpg_40
+                                                             0x0398, //lng_10
+                                                             0x0398, //lng_20
+                                                             0x0398, //lng_24
+                                                             0x0398 //lng_40
                                                             },// noncooking state
-                                                            {0x03bd, //ele_10
-                                                             0x03bf, //ele_20
-                                                             0x03bd, //ele_24
-                                                             0x03bf, //ele_40
-                                                             0x03bd, //lpg_10
-                                                             0x03bf, //lpg_20
-                                                             0x03bd, //lpg_24
-                                                             0x03bf, //lpg_40
-                                                             0x03bd, //lng_10
-                                                             0x03bf, //lng_20
-                                                             0x03bd, //lng_24
-                                                             0x03bf //lng_40
+                                                            {0x039d, //ele_10
+                                                             0x039f, //ele_20
+                                                             0x039d, //ele_24
+                                                             0x039f, //ele_40
+                                                             0x039d, //lpg_10
+                                                             0x039f, //lpg_20
+                                                             0x039d, //lpg_24
+                                                             0x039f, //lpg_40
+                                                             0x039d, //lng_10
+                                                             0x039f, //lng_20
+                                                             0x039d, //lng_24
+                                                             0x039f //lng_40
                                                             },//cooking state
-                                                            {0x03bd, //ele_10
-                                                             0x03bf, //ele_20
-                                                             0x03bd, //ele_24
-                                                             0x03bf, //ele_40
-                                                             0x03bd, //lpg_10
-                                                             0x03bf, //lpg_20
-                                                             0x03bd, //lpg_24
-                                                             0x03bf, //lpg_40
-                                                             0x03bd, //lng_10
-                                                             0x03bf, //lng_20
-                                                             0x03bd, //lng_24
-                                                             0x03bf //lng_40
+                                                            {0x039d, //ele_10
+                                                             0x039f, //ele_20
+                                                             0x039d, //ele_24
+                                                             0x039f, //ele_40
+                                                             0x039d, //lpg_10
+                                                             0x039f, //lpg_20
+                                                             0x039d, //lpg_24
+                                                             0x039f, //lpg_40
+                                                             0x039d, //lng_10
+                                                             0x039f, //lng_20
+                                                             0x039d, //lng_24
+                                                             0x039f //lng_40
                                                             } //washing state
                                                              };
     const uint32_t comm_err_mask[3][MAX_MODEL_COUNT] =    {
@@ -315,6 +317,8 @@ private:
 //                                                          0x0213  //lng40
 //                                                         };
 
+
+
     const uint32_t sensor_err_mask[3][MAX_MODEL_COUNT] =    {
                                                           {0x0213, //ele10
                                                           0x0213, //ele 20