diff --git a/src/ATBAPP/DeviceControllerDiag.cpp b/src/ATBAPP/DeviceControllerDiag.cpp
index c79279c..49a83ec 100644
--- a/src/ATBAPP/DeviceControllerDiag.cpp
+++ b/src/ATBAPP/DeviceControllerDiag.cpp
@@ -166,7 +166,7 @@ void DeviceControllerDiag::sys_superviseSystem()
         // es gibt keinerlei gültige Daten vom DC
         qCritical() << "DeviceControllerDiag::sys_superviseSystem() no valid data!";
         hw->dc_autoRequest(true);
-        this->private_sendDiagEvent(DeviceController::State::E254);
+        this->private_sendDiagEvent(DeviceController::State::M0254);
         this->diagRequestTimeoutTimer->stop();
         this->isRequestRunning  = false;
         if (this->E255counter > 5) { this->restartCArun(); }
@@ -232,13 +232,13 @@ void DeviceControllerDiag::sub_componentAssessment()
         // Service or battery door is open
         flag_sendOperate = false;
         qCritical() << "DeviceControllerDiag::sys_superviseSystem() Service or battery door is open, goto INTRUSION MODE";
-        this->private_sendDiagEvent(DeviceController::State::E253);
+        this->private_sendDiagEvent(DeviceController::State::M0253);
     }
     if (dynMaCond.middleDoor) {
         // vault door is open
         flag_sendOperate = false;
         qCritical() << "DeviceControllerDiag::sys_superviseSystem() vault door is open, goto INTRUSION MODE";
-        this->private_sendDiagEvent(DeviceController::State::E252);
+        this->private_sendDiagEvent(DeviceController::State::M0252);
     }
 
     // check for invalid states:
@@ -366,12 +366,12 @@ void DeviceControllerDiag::sub_componentAssessment()
 
     if (dynMaCond.nowCardTest>0) {
         flag_sendOperate = false;
-        this->private_sendDiagEvent(DeviceController::State::E072);
+        this->private_sendDiagEvent(DeviceController::State::M0072);
     }
 
     if (dynMaCond.startupTestIsRunning>0) {
         flag_sendOperate = false;
-        this->private_sendDiagEvent(DeviceController::State::E073);
+        this->private_sendDiagEvent(DeviceController::State::M0073);
     }
 
     if (modCond.voltage>=200) {
@@ -526,28 +526,28 @@ void DeviceControllerDiag::private_sendDiagEvent(DeviceController::State result)
         this->_isErrorState = true;
         break;
 
-    case DeviceController::State::E071:   // cash box change is ongoing
+    case DeviceController::State::M0071:   // cash box change is ongoing
         eventClass = EVENT_CLASS::STATE;
         parameter  = "cash box change is ongoing";
         break;
-    case DeviceController::State::E072:   // card test running
+    case DeviceController::State::M0072:   // card test running
         eventClass = EVENT_CLASS::STATE;
         parameter  = "card test running";
         break;
-    case DeviceController::State::E073:   // startup-test is running
+    case DeviceController::State::M0073:   // startup-test is running
         eventClass = EVENT_CLASS::STATE;
         parameter  = "startup-test is running";
         break;
 
-    case DeviceController::State::E252:   // cash box door open
+    case DeviceController::State::M0252:   // cash box door open
         eventClass = EVENT_CLASS::STATE;
         parameter  = "cash box door open";
         break;
-    case DeviceController::State::E253:   // service or battery door open
+    case DeviceController::State::M0253:   // service or battery door open
         eventClass = EVENT_CLASS::STATE;
         parameter  = "service or battery door open";
         break;
-    case DeviceController::State::E254:   // no valid data from DeviceController
+    case DeviceController::State::M0254:   // no valid data from DeviceController
         eventClass = EVENT_CLASS::STATE;
         parameter  = "no valid data from DeviceController";
         break;
diff --git a/src/ATBAPP/DeviceControllerDiag.h b/src/ATBAPP/DeviceControllerDiag.h
index 1d44f24..2dc47d5 100644
--- a/src/ATBAPP/DeviceControllerDiag.h
+++ b/src/ATBAPP/DeviceControllerDiag.h
@@ -41,13 +41,14 @@ namespace DeviceController {
 
         E034,
 
-        E071,
-        E072,
-        E073,
+        M0071, // cashbox change is ongoing
+        M0072, // cardtest is running
+        M0073, // startup-test is running
+
+        M0252, // cashbox door open
+        M0253, // service or battery door is open
+        M0254, // no valid data from DC
 
-        E252,
-        E253,
-        E254,
         E255,
 
         W001,