Index: sources/canbus/messageglobals.h
===================================================================
diff -u -r426208cdb707400759bdc663b871ece9d1208aed -r56eea041fb0995182b3d3ea0c0ac19e4933a2d3d
--- sources/canbus/messageglobals.h	(.../messageglobals.h)	(revision 426208cdb707400759bdc663b871ece9d1208aed)
+++ sources/canbus/messageglobals.h	(.../messageglobals.h)	(revision 56eea041fb0995182b3d3ea0c0ac19e4933a2d3d)
@@ -37,6 +37,7 @@
  */
 const QHash<Gui::GuiActionType ,quint8> payloadLen {
     {Gui::GuiActionType::PowerOff           ,   1     },
+    {Gui::GuiActionType::PowerOffBroadcast  ,   0     },
     {Gui::GuiActionType::KeepAlive          ,   0     },
     {Gui::GuiActionType::BloodFlow          ,   7 * 4 }, // 7 parameters each 4bytes
     {Gui::GuiActionType::DialysateInletFlow ,   7 * 4 }, // 7 parameters each 4bytes
Index: sources/canbus/messageinterpreter.cpp
===================================================================
diff -u -r426208cdb707400759bdc663b871ece9d1208aed -r56eea041fb0995182b3d3ea0c0ac19e4933a2d3d
--- sources/canbus/messageinterpreter.cpp	(.../messageinterpreter.cpp)	(revision 426208cdb707400759bdc663b871ece9d1208aed)
+++ sources/canbus/messageinterpreter.cpp	(.../messageinterpreter.cpp)	(revision 56eea041fb0995182b3d3ea0c0ac19e4933a2d3d)
@@ -129,9 +129,12 @@
 void MessageInterpreter::printUnhandled(const Message &vMessage)
 {
     QString mActionIdHexString = Format::toHexString(vMessage.actionId, false, eLenMessageIDDigits);
-    qDebug() << "WARNG :" << tr("Unhandled Message ID (HD)");
-    qDebug().noquote() << QString(mActionIdHexString + "   " + vMessage.data.toHex('.')).toLatin1();
-    qDebug() << "";
+    QString logMessage = tr("Unhandled Message ID (HD)") + '\n' +
+            QString("%1 # %2   %3")
+            .arg(vMessage.can_id,3,16,QChar('0'))
+            .arg(mActionIdHexString)
+            .arg(QString(vMessage.data.toHex('.')));
+    LOG_ERROR(logMessage);
 }
 
 /*!
@@ -149,7 +152,7 @@
  */
 bool MessageInterpreter::interpretMessage_HD(const Message &vMessage, QVariantList &vData)
 {
-    bool    ok = true;
+    bool    ok = false;
     vData.clear();
 
     switch (vMessage.actionId) { // notice we are in receive mode
@@ -166,6 +169,10 @@
         ok = true;
         break;
 
+    case Gui::GuiActionType::PowerOffBroadcast:
+        ok = true;
+        break;
+
     case Gui::GuiActionType::BloodFlow:
         ok = bloodFlowData      (vMessage, vData);
         break;
@@ -188,12 +195,20 @@
 
     case Gui::GuiActionType::AlarmTriggered:
         printUnhandled          (vMessage);
+        ok = true;
         break;
 
     case Gui::GuiActionType::AlarmCleared:
         printUnhandled          (vMessage);
+        ok = true;
         break;
 
+
+    case Gui::GuiActionType::PressureOcclusion:
+        printUnhandled          (vMessage);
+        ok = true;
+        break;
+
     default:
         printUnhandled          (vMessage);
         break;
Index: sources/gui/guiglobals.h
===================================================================
diff -u -r426208cdb707400759bdc663b871ece9d1208aed -r56eea041fb0995182b3d3ea0c0ac19e4933a2d3d
--- sources/gui/guiglobals.h	(.../guiglobals.h)	(revision 426208cdb707400759bdc663b871ece9d1208aed)
+++ sources/gui/guiglobals.h	(.../guiglobals.h)	(revision 56eea041fb0995182b3d3ea0c0ac19e4933a2d3d)
@@ -36,11 +36,14 @@
             DialysateInletFlow      = 0x0800,
             DialysateOutletFlow     = 0x0B00,
             TreatmentTime           = 0x0D00,
+            PowerOffBroadcast       = 0x0E00,
 
             AlarmStatus             = 0x0200,
             AlarmTriggered          = 0x0300,
             AlarmCleared            = 0x0400,
 
+            PressureOcclusion       = 0x0900,
+
             String                  = 0xFFFE,
 
             Acknow                  = 0xFFFF,
Index: sources/gui/qml/dialogs/AutoHideInfo.qml
===================================================================
diff -u -r1b060ccba8bfccf34d6a7a5ddd6d94eb6d149829 -r56eea041fb0995182b3d3ea0c0ac19e4933a2d3d
--- sources/gui/qml/dialogs/AutoHideInfo.qml	(.../AutoHideInfo.qml)	(revision 1b060ccba8bfccf34d6a7a5ddd6d94eb6d149829)
+++ sources/gui/qml/dialogs/AutoHideInfo.qml	(.../AutoHideInfo.qml)	(revision 56eea041fb0995182b3d3ea0c0ac19e4933a2d3d)
@@ -36,4 +36,10 @@
         width: parent.width
         text: message
     }
+
+    function showDialog(vMessage, vDuration) {
+        _root.message = vMessage
+        _root.autoHideDuration = vDuration
+        _root.open()
+    }
 }
Index: sources/gui/qml/main.qml
===================================================================
diff -u -r1b060ccba8bfccf34d6a7a5ddd6d94eb6d149829 -r56eea041fb0995182b3d3ea0c0ac19e4933a2d3d
--- sources/gui/qml/main.qml	(.../main.qml)	(revision 1b060ccba8bfccf34d6a7a5ddd6d94eb6d149829)
+++ sources/gui/qml/main.qml	(.../main.qml)	(revision 56eea041fb0995182b3d3ea0c0ac19e4933a2d3d)
@@ -40,12 +40,28 @@
         onDidActionReceive: {
             //console.debug(vData)
             switch(vAction) {
+            case GuiActions.PowerOffBroadcast:
+                _autoHideInfo.showDialog(
+                            qsTr("System is shutting down"),
+                            5000 // if there is any error happening then after 5 seconds dialog hides.
+                            )
+                break;
+
             case GuiActions.PowerOff:
-                if (vData[GuiActions.PowerOff_ShowHide] === GuiActions.Command)
+                if (vData[GuiActions.PowerOff_ShowHide] === GuiActions.Command) {
                     _powerOffDialog.open()
-                if (vData[GuiActions.PowerOff_ShowHide] === GuiActions.Timeout)
+                }
+                if (vData[GuiActions.PowerOff_ShowHide] === GuiActions.Timeout) {
                     _powerOffDialog.close()
+                }
+                if (vData[GuiActions.PowerOff_ShowHide] === GuiActions.Rejected) {
+                    _autoHideInfo.showDialog(
+                                qsTr("Cannot shutdown during 'Treatment'"), // '%1').arg()
+                                1000 // if there is any error happening then after 5 seconds dialog hides.
+                                )
+                }
                 break;
+
             }
         }
     }
@@ -73,9 +89,7 @@
     }
 
     // 4 - Modals
-    AutoHideInfo { id: _autoHideInfo
-        message : "System is shutting down"
-    }
+    AutoHideInfo { id: _autoHideInfo }
 
     PowerOff { id: _powerOffDialog
         onAccepted: {