Index: sources/gui/qml/pages/MainStack.qml
===================================================================
diff -u -r627b97843f87f5ca8fbd731c6c4a6d9fae4352ce -r11a7a3223f8405b6cfba01f8f684fadb2090e0cc
--- sources/gui/qml/pages/MainStack.qml	(.../MainStack.qml)	(revision 627b97843f87f5ca8fbd731c6c4a6d9fae4352ce)
+++ sources/gui/qml/pages/MainStack.qml	(.../MainStack.qml)	(revision 11a7a3223f8405b6cfba01f8f684fadb2090e0cc)
@@ -36,7 +36,7 @@
 StackItem { id : _root
 
     // DEBUG: this property can mostly be used for debugging to get pass the initial screen
-    property var initialItem: vSettings.noCANBus ? _mainHome : _postModeScreen
+    property var initialItem: _postModeScreen
 
     stackView.initialItem   : _root.initialItem
 
@@ -117,7 +117,6 @@
     MainHome                            { id: _mainHome
         onStartTreatment                : { page( _treatmentStack                                               )}
         onCreateTreatment               : { vPreTreatmentAdjustmentInitTreatment.doInitiate()
-            // DEBUG: console.debug(vSettings.categorys)
             if ( vSettings.noCANBus )
                 vHDOperationMode.validateParametersChanged(true)
         }
@@ -128,6 +127,23 @@
         }
     }
 
+    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  ()                        }