diff --git a/src/ATBAPP/DeviceControllerDiag.cpp b/src/ATBAPP/DeviceControllerDiag.cpp
index fab0e55..a5528d1 100644
--- a/src/ATBAPP/DeviceControllerDiag.cpp
+++ b/src/ATBAPP/DeviceControllerDiag.cpp
@@ -343,7 +343,7 @@ void DeviceControllerDiag::sub_componentAssessment()
     }
     if (modCond.temper>=200) {
         flag_sendOperate = false;
-        this->private_sendDiagEvent(DeviceController::State::E004);
+        this->private_sendDiagEvent(DeviceController::State::W004);
     }
 
     // check for warnings