diff --git a/STM32CubeIDE/Release/WLE5CC_NODE_STS.elf b/STM32CubeIDE/Release/WLE5CC_NODE_STS.elf
index 5a6da59..1c13d32 100644
Binary files a/STM32CubeIDE/Release/WLE5CC_NODE_STS.elf and b/STM32CubeIDE/Release/WLE5CC_NODE_STS.elf differ
diff --git a/STS/TOF/vl53l1x_uld/X-NUCLEO-53L1A1.c b/STS/TOF/vl53l1x_uld/X-NUCLEO-53L1A1.c
index 9d4efe8..d85842a 100644
--- a/STS/TOF/vl53l1x_uld/X-NUCLEO-53L1A1.c
+++ b/STS/TOF/vl53l1x_uld/X-NUCLEO-53L1A1.c
@@ -141,20 +141,28 @@ static void _I2cFailRecover(){
     if( HAL_GPIO_ReadPin(GPIOA, GPIO_PIN_11) == 0 ){
         __GPIOB_CLK_ENABLE();
         //We are still in bad i2c state warm user by blinking led but stay here
+        /*
         GPIO_InitStruct.Pin = LED1_Pin ;
         GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
         GPIO_InitStruct.Pull = GPIO_NOPULL;
         HAL_GPIO_Init(LED3_GPIO_Port, &GPIO_InitStruct);
+        */
+        nRetry = 0;
         do{
-            HAL_GPIO_WritePin(LED3_GPIO_Port, LED3_Pin, GPIO_PIN_SET);
+            // HAL_GPIO_WritePin(LED3_GPIO_Port, LED3_Pin, GPIO_PIN_SET);
+        	LED_RED_ON;
             HAL_Delay(33);
-            HAL_GPIO_WritePin(LED3_GPIO_Port, LED3_Pin, GPIO_PIN_RESET);
+            // HAL_GPIO_WritePin(LED3_GPIO_Port, LED3_Pin, GPIO_PIN_RESET);
+            LED_RED_OFF;
             HAL_Delay(33);
-            HAL_GPIO_WritePin(LED3_GPIO_Port, LED3_Pin, GPIO_PIN_SET);
+            // HAL_GPIO_WritePin(LED3_GPIO_Port, LED3_Pin, GPIO_PIN_SET);
+            LED_RED_ON;
             HAL_Delay(33);
-            HAL_GPIO_WritePin(LED3_GPIO_Port, LED3_Pin, GPIO_PIN_RESET);
-            HAL_Delay(33*20);
-        }while(1);
+            // HAL_GPIO_WritePin(LED3_GPIO_Port, LED3_Pin, GPIO_PIN_RESET);
+            LED_RED_OFF;
+            HAL_Delay(33*4);
+            nRetry++;
+        }while(nRetry < 3);
     }
 }