Index: sources/gui/qml/pages/MainStack.qml
===================================================================
diff -u -r54c4136d95375116e6daf23b7d4179159cf13d0c -rfec49d1a8016d25cedff4cf2fefb4c4cd1c7c259
--- sources/gui/qml/pages/MainStack.qml	(.../MainStack.qml)	(revision 54c4136d95375116e6daf23b7d4179159cf13d0c)
+++ sources/gui/qml/pages/MainStack.qml	(.../MainStack.qml)	(revision fec49d1a8016d25cedff4cf2fefb4c4cd1c7c259)
@@ -36,16 +36,10 @@
 StackItem { id : _root
 
     // DEBUG: this property can mostly be used for debugging to get pass the initial screen
-    property var initialItem: _postModeScreen // _mainHome
+    property var initialItem: _postModeScreen
 
     stackView.initialItem   : _root.initialItem
 
-    function doSettingsDisinfect() {
-        _mainMenu.currentIndex = 0
-        page( _disinfectStack )
-        _disinfectStack.doSettingsDisinfect()
-    }
-
     // Standby / Disinfection
     DisinfectStack                  { id: _disinfectStack                   }
     // Pre Treatment
@@ -116,22 +110,45 @@
 
     MainHome                            { id: _mainHome
         onStartTreatment                : { page( _treatmentStack                                               )}
-        onCreateTreatment               : { vPreTreatmentAdjustmentInitTreatment.doInitiate()                    }
+        onCreateTreatment               : { vPreTreatmentAdjustmentInitTreatment.doInitiate()
+            if ( vSettings.noCANBus )
+                vHDOperationMode.validateParametersChanged(true)
+        }
         onVisibleChanged: {
             if (visible) {
                 _mainMenu.hidden = false // initially our landing screen is _initialModeScreen which should not have the Main menu.
             }
+            else {
+                _mainHome.reasonText = ""
+            }
         }
     }
 
+    Connections { target: vSettings
+        onNoCANBusChanged: {
+            //// DEBUG:
+            // console.debug("vSettings.noCANBus"      , vSettings         .noCANBus   ,
+            //               "vHDOperationMode.init"   , vHDOperationMode  .init       ,
+            //               "vHDOperationMode.fault"  , vHDOperationMode  .fault      ,
+            //               "vHDOperationMode.opMode" , vHDOperationMode  .opMode     )
+            if ( vSettings.noCANBus ) {
+                page( _mainHome ,
+                     vHDOperationMode.fault ||      // in fault mode
+                     vHDOperationMode.init  ||      // in initial post mode
+                     vHDOperationMode.opMode === 0  // has not even been initialized , which most probably is the case.
+                )
+            }
+        }
+    }
+
     Connections { target: vHDOperationMode
         onIsTreatmentChanged            : { if( visTreatment    ) _mainMenu.isTreatment()                        }
         onIsManagerChanged              : { if( visManager      ) _mainMenu.isManager  ()                        }
         onIsSettingsChanged             : { if( visSettings     ) _mainMenu.isSettings ()                        }
 
-        onFaultChanged                  : { page( _faultModeScreen                  , vfault                    )}
+        onFaultChanged                  : { page( _faultModeScreen                  , vfault    && ! vSettings.noCANBus )}
         onServiceChanged                : { page( _serviceModeScreen                , vservice                  )}
-        onInitChanged                   : { page( _postModeScreen                   , vinit                     )
+        onInitChanged                   : { page( _postModeScreen                   , vinit     && ! vSettings.noCANBus )
                                             if  ( vinit ) vHDPOSTData.reset() // better to reset on vinit = true because the rest makes the screen animation to run
         }
 
@@ -148,20 +165,6 @@
         onInvalidModeChanged            : { page( null                              , vinvalidMode              )}
     }
 
-    // As long as UI is in In-Tx BP/HR is updated and the dialog will pop up on interval.
-    Connections { target: vHDOperationMode
-        onInTreatmentChanged            : {
-            vTreatmentVitals.enableDialog = vinTreatment
-            if ( vinTreatment ) {
-                vTreatmentVitals.doTimerStart()
-            }
-            else {
-                vTreatmentVitals.doTimerStop()
-                vTreatmentVitals.doReset()
-            }
-        }
-    }
-
     // the page function is more flixible regarding our current design
     // and it's easier(or may not need) to modify later if required.
     // and is more optimized and will never leave screen empty
@@ -187,9 +190,7 @@
 
     Connections { target: vPreTreatmentAdjustmentInitTreatment
         onAdjustmentTriggered: {
-            // this may be handled by alarm and in that case if it is shown, it would be duplicate or simply will be covered by alarm.
-            // if not it is not handled by alarm, removing the comment will make it work properly, since the MainHome modified to support this.
-            // _mainHome.reasonText = vPreTreatmentAdjustmentInitTreatment.text()
+            _mainHome.reasonText = vPreTreatmentAdjustmentInitTreatment.adjustment_ReasonText
         }
     }
 }