Index: sources/gui/qml/PowerItem.qml
===================================================================
diff -u -rc15ce613e372838316d42c40a86953e6f0aa05d3 -r76d4131d70c18cbfaf47c242c17258e80161e8dc
--- sources/gui/qml/PowerItem.qml	(.../PowerItem.qml)	(revision c15ce613e372838316d42c40a86953e6f0aa05d3)
+++ sources/gui/qml/PowerItem.qml	(.../PowerItem.qml)	(revision 76d4131d70c18cbfaf47c242c17258e80161e8dc)
@@ -52,6 +52,10 @@
     }
 
     PowerOff { id: _powerOffDialog
+        onVisibleChanged: {
+            if (visible) _alarmItem.alarmHide()
+            else         _alarmItem.alarmMaximize()
+        }
         onAccepted: {
             _GuiView.doActionTransmit(GuiActions.ID_PowerOff, GuiActions.Accepted)
         }
@@ -65,10 +69,12 @@
             switch (vpoweroff) {
             case GuiActions.Command:
                 _powerOffDialog.open()
+                _alarmItem.alarmHide()
                 break;
 
             case GuiActions.Timeout:
                 _powerOffDialog.close()
+                _alarmItem.alarmMaximize()
                 break;
 
             case GuiActions.Rejected: