Index: sources/cloudsync/CloudSyncController.cpp
===================================================================
diff -u -r380136967ba230affe91f614a9805319688eb05b -r015a7cea7842d589a11325a989436be342b801ef
--- sources/cloudsync/CloudSyncController.cpp	(.../CloudSyncController.cpp)	(revision 380136967ba230affe91f614a9805319688eb05b)
+++ sources/cloudsync/CloudSyncController.cpp	(.../CloudSyncController.cpp)	(revision 015a7cea7842d589a11325a989436be342b801ef)
@@ -81,6 +81,15 @@
 // disabled coco end
 
 /*!
+ * \brief   CloudSyncController::doRegister
+ * \details Send the register device command.
+ */
+void CloudSyncController::doRegister()
+{
+    sendDeviceRegister();
+}
+
+/*!
  * \brief   CloudSyncController::initConnections
  * \details Initializes the required signal/slot connection between this class and other objects
  *          to be able to communicate.
Index: sources/cloudsync/CloudSyncController.h
===================================================================
diff -u -r380136967ba230affe91f614a9805319688eb05b -r015a7cea7842d589a11325a989436be342b801ef
--- sources/cloudsync/CloudSyncController.h	(.../CloudSyncController.h)	(revision 380136967ba230affe91f614a9805319688eb05b)
+++ sources/cloudsync/CloudSyncController.h	(.../CloudSyncController.h)	(revision 015a7cea7842d589a11325a989436be342b801ef)
@@ -197,6 +197,8 @@
     bool init(QThread &vThread);
     void quit();
 
+    void  doRegister        ();
+
 private slots:
     void  onWatchFileChange (const QString &vFile);
     void  onActionReceive   (GuiActionType vAction, const QVariantList &vData);
Index: sources/gui/qml/main.qml
===================================================================
diff -u -rd949be21f2a9badd0978dddaaf436f6805de28dc -r015a7cea7842d589a11325a989436be342b801ef
--- sources/gui/qml/main.qml	(.../main.qml)	(revision d949be21f2a9badd0978dddaaf436f6805de28dc)
+++ sources/gui/qml/main.qml	(.../main.qml)	(revision 015a7cea7842d589a11325a989436be342b801ef)
@@ -45,6 +45,7 @@
 import VAdjustmentAlarmVolume                               0.1
 import VBluetooth                                           0.1
 import VDuetRoWaterDG                                       0.1
+import VCloudSync                                           0.1
 
 // States views
 import VHDOperationMode                                     0.1
@@ -144,6 +145,7 @@
     VAdjustmentAlarmVolume                              { id: vAdjustmentAlarmVolume                                }
     VBluetooth                                          { id: vBluetooth                                            }
     VDuetRoWaterDG                                      { id: vDuetRoWaterDG                                        }
+    VCloudSync                                          { id: vCloudSync                                            }
 
     // ---- States
     VHDOperationMode                                    { id: vHDOperationMode                                      }
Index: sources/gui/qml/pages/settings/SettingsDeviceRegistration.qml
===================================================================
diff -u -r380136967ba230affe91f614a9805319688eb05b -r015a7cea7842d589a11325a989436be342b801ef
--- sources/gui/qml/pages/settings/SettingsDeviceRegistration.qml	(.../SettingsDeviceRegistration.qml)	(revision 380136967ba230affe91f614a9805319688eb05b)
+++ sources/gui/qml/pages/settings/SettingsDeviceRegistration.qml	(.../SettingsDeviceRegistration.qml)	(revision 015a7cea7842d589a11325a989436be342b801ef)
@@ -121,9 +121,9 @@
         y                   : _root.topMargin
         anchors.right       : parent.right
         anchors.rightMargin : _root.rightMargin
-
-        completeText    : qsTr("Registration complete")
-        stepNames       : [
+        completeVisible     : vCloudSync.isReady
+        completeText        : qsTr("Registration complete")
+        stepNames           : [
             qsTr("Cloud Service is running" ),
             qsTr("Registering the device"   )
         ]
@@ -132,15 +132,29 @@
     TouchRect { id              : _scanButton
         anchors.bottom          : parent.bottom
         anchors.bottomMargin    : Variables.mainMenuHeight * 2 + Variables.minVGap * 2
-        anchors.horizontalCenter:         parent.horizontalCenter
+        anchors.horizontalCenter: parent.horizontalCenter
         text.text               : qsTr("START")
         width                   : 350
         isDefault               : true
         enabled                 : true // ! device device registered
         onClicked               : {
-            vAdjustmentVersions     .doAdjustment()
+            let mHasNetworkConnection   = (_ipAddress_eth0.isValid || _ipAddress_wlan0.isValid)
+            if ( ! mHasNetworkConnection) { _root.notificationText = qsTr("No Network Connection"); return }
+
+            let mHasSerials             = ( _serial_HD != "" && _serial_DG != "")
+            if ( ! mHasSerials          ) { _root.notificationText = qsTr("No device Serial"     ); return }
+
+            vCloudSync              .doRegister  ()
         } // start device registration
     }
 
+    // Connections { target: vCloudSync
+    //     function onselfTestConsumables_primeEntered         ( vValue ) {/*      _preTreatmentConsumablesSelfTest.checkList.setItem( 0, vValue )*/    }
+    //     function onSelfTestConsumables_biCarbPumpEntered    ( vValue ) {        _preTreatmentConsumablesSelfTest.checkList.setItem( 0, vValue       )}
+    //     function onSelfTestConsumables_biCarbPumpEntered    ( vValue ) {        _preTreatmentConsumablesSelfTest.checkList.setItem( 0, vValue       )}
+    //     function onSelfTestConsumables_biCarbPumpEntered    ( vValue ) {        _preTreatmentConsumablesSelfTest.checkList.setItem( 0, vValue       )}
+    //     function onSelfTestConsumables_acidPumpEntered      ( vValue ) {        _preTreatmentConsumablesSelfTest.checkList.setItem( 1, vValue       )}
+    // }
+
     notificationText: ""
 }
Index: sources/view/settings/VCloudSync.cpp
===================================================================
diff -u -r380136967ba230affe91f614a9805319688eb05b -r015a7cea7842d589a11325a989436be342b801ef
--- sources/view/settings/VCloudSync.cpp	(.../VCloudSync.cpp)	(revision 380136967ba230affe91f614a9805319688eb05b)
+++ sources/view/settings/VCloudSync.cpp	(.../VCloudSync.cpp)	(revision 015a7cea7842d589a11325a989436be342b801ef)
@@ -37,4 +37,12 @@
 
     connect(&_CloudSyncController   , &CloudSyncController  ::didRegisterDone,
             this                    , [this](bool vPass) { isRegisterDone  (vPass); });
+
+    connect(this                    , SIGNAL(didRegister()),
+            &_CloudSyncController   ,   SLOT( doRegister()));
 }
+
+void VCloudSync::doRegister()
+{
+    emit didRegister();
+}
Index: sources/view/settings/VCloudSync.h
===================================================================
diff -u -r380136967ba230affe91f614a9805319688eb05b -r015a7cea7842d589a11325a989436be342b801ef
--- sources/view/settings/VCloudSync.h	(.../VCloudSync.h)	(revision 380136967ba230affe91f614a9805319688eb05b)
+++ sources/view/settings/VCloudSync.h	(.../VCloudSync.h)	(revision 015a7cea7842d589a11325a989436be342b801ef)
@@ -38,15 +38,18 @@
     friend class ::tst_views;
 
     STATE(bool       , isRunning         ,   false)
-    STATE(bool       , isReady           ,   false)
     STATE(bool       , isRegisterStart   ,   false)
     STATE(bool       , isRegisterDone    ,   false)
+    STATE(bool       , isReady           ,   false)
 
     VIEW_DEC_CLASS(VCloudSync)
 
 private slots:
-public:
+public slots:
+    void  doRegister();
+
 signals:
+    void didRegister();
 };
 
 }