diff --git a/dCArun/CArun.cpp b/dCArun/CArun.cpp
index 6b32ac4..02b2558 100644
--- a/dCArun/CArun.cpp
+++ b/dCArun/CArun.cpp
@@ -114,7 +114,7 @@ void CArun::chainControl(void)
     case SETUP_STEP::OPEN_SERIAL_PORT:
         qCritical() << "CArun: SETUP_STEP::OPEN_SERIAL_PORT";
         this->openSerialPort();
-        this->setupStep = SETUP_STEP::CHECK_VALID_DATA;
+        this->setupStep = SETUP_STEP::TEST_OPEN_PORT;
         this->timerChainCtrl->start();
         break;
     case SETUP_STEP::TEST_OPEN_PORT:
@@ -151,7 +151,7 @@ void CArun::chainControl(void)
 
         this->HWaccess->dc_autoRequest(1);
         this->setupStep = SETUP_STEP::CHECK_VALID_DATA;
-        this->timerChainCtrl->start();
+        this->timerChainCtrl->start(2000);
         break;
     case SETUP_STEP::CHECK_VALID_DATA:
         qCritical() << "CArun: SETUP_STEP::CHECK_VALID_DATA";