Index: sources/gui/qml/pages/MainStack.qml
===================================================================
diff -u -r65558208e4968de9a5470ff5fda1ee2a9d00c793 -r8f83b92860a33498ea7856e63afef0a10ee11923
--- sources/gui/qml/pages/MainStack.qml	(.../MainStack.qml)	(revision 65558208e4968de9a5470ff5fda1ee2a9d00c793)
+++ sources/gui/qml/pages/MainStack.qml	(.../MainStack.qml)	(revision 8f83b92860a33498ea7856e63afef0a10ee11923)
@@ -79,7 +79,7 @@
     }
 
     Connections { target: vHDOperationMode
-        onFaultChanged                  : { page( _faultModeScreen                  , vfault                    )}
+     // onFaultChanged                  : { page( _faultModeScreen                  , vfault                    )} // may needed later.
         onServiceChanged                : { page( _serviceModeScreen                , vservice                  )}
         onInitChanged                   : { page( _initialModeScreen                , vinit                     )}