diff --git a/sht30_driver.c b/sht30_driver.c
index 1f59c03..8ee7f19 100644
--- a/sht30_driver.c
+++ b/sht30_driver.c
@@ -114,16 +114,18 @@ void SHT30_calcRawData(SHT30_Struct_Type *p){
 
 }
  
- void sht30_ReadData(SHT30_Struct_Type *inst){
+int sht30_ReadData(SHT30_Struct_Type *inst){
 		int ret;
 		uint8_t reg[2] = {0xe0,0x00};
 		ret = readRegister(inst, reg, (void*)&inst->Message, sizeof(SHT30_Message_Type));
 
 		if(ret != 0){
 			SHT30_resetConnection(inst);
+			return 1;
 
 		}else{
 			SHT30_calcRawData(inst);
+			return 0;
 		}
 
 
@@ -138,7 +140,7 @@ int sht30_init(SHT30_Struct_Type *inst, void *i2c_transfer_inst, setGet_I2C_Even
 	inst->i2c_transfer_inst = i2c_transfer_inst;
 	inst->i2c_transfer_evt = i2c_transfer_evt;
 	
-	//SHT30_resetConnection(inst);
+	SHT30_resetConnection(inst);
 	
 	return 0;
 
diff --git a/sht30_driver.h b/sht30_driver.h
index c26393c..f9132ca 100644
--- a/sht30_driver.h
+++ b/sht30_driver.h
@@ -42,7 +42,7 @@ typedef struct SHT30_Struct
 
 
 int sht30_init(SHT30_Struct_Type *inst, void *i2c_transfer_inst, setGet_I2C_Event_fpt i2c_transfer_evt);
-void sht30_ReadData(SHT30_Struct_Type *p);
+int sht30_ReadData(SHT30_Struct_Type *p);
 uint8_t crc8_i2c_u16(uint16_t input);
 
 #endif /* MAIN_SHT30_DRIVER_SHT30_DRIVER_H_ */