Index: sources/gui/qml/pages/MainStack.qml
===================================================================
diff -u -r11a7a3223f8405b6cfba01f8f684fadb2090e0cc -rb238ed3e1aa94f5c03d4e1a6ed6c9fdfdd2a3cb5
--- sources/gui/qml/pages/MainStack.qml	(.../MainStack.qml)	(revision 11a7a3223f8405b6cfba01f8f684fadb2090e0cc)
+++ sources/gui/qml/pages/MainStack.qml	(.../MainStack.qml)	(revision b238ed3e1aa94f5c03d4e1a6ed6c9fdfdd2a3cb5)
@@ -40,12 +40,6 @@
 
     stackView.initialItem   : _root.initialItem
 
-    function doSettingsDisinfect() {
-        _mainMenu.currentIndex = 0
-        page( _disinfectStack )
-        _disinfectStack.doSettingsDisinfect()
-    }
-
     // Standby / Disinfection
     DisinfectStack                  { id: _disinfectStack                   }
     // Pre Treatment
@@ -124,6 +118,9 @@
             if (visible) {
                 _mainMenu.hidden = false // initially our landing screen is _initialModeScreen which should not have the Main menu.
             }
+            else {
+                _mainHome.reasonText = ""
+            }
         }
     }
 
@@ -149,9 +146,9 @@
         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
         }
 
@@ -168,20 +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