diff --git a/res/app/components/stf/common-ui/fatal-message/fatal-message-service.js b/res/app/components/stf/common-ui/fatal-message/fatal-message-service.js
new file mode 100644
index 00000000..ca3b54b9
--- /dev/null
+++ b/res/app/components/stf/common-ui/fatal-message/fatal-message-service.js
@@ -0,0 +1,41 @@
+module.exports = function FatalMessageServiceFactory($modal, $location, $route) {
+  var FatalMessageService = {}
+
+
+  var ModalInstanceCtrl = function ($scope, $modalInstance, device) {
+    $scope.ok = function () {
+      $modalInstance.close(5)
+      $route.reload()
+      //$location.path('/control/' + device.serial)
+    }
+
+    $scope.second = function () {
+      $location.path('/devices/')
+    }
+
+    $scope.cancel = function () {
+      $modalInstance.dismiss('cancel')
+    }
+  }
+
+  FatalMessageService.open = function (device) {
+    var modalInstance = $modal.open({
+      template: require('./fatal-message.jade'),
+      controller: ModalInstanceCtrl,
+      resolve: {
+        device: device,
+        items: function () {
+          return 10
+        }
+      }
+    })
+
+    modalInstance.result.then(function (selectedItem) {
+      console.log(selectedItem)
+    }, function () {
+      console.log('Modal dismissed at: ' + new Date())
+    })
+  }
+
+  return FatalMessageService
+}
diff --git a/res/app/components/stf/common-ui/fatal-message/fatal-message-spec.js b/res/app/components/stf/common-ui/fatal-message/fatal-message-spec.js
new file mode 100644
index 00000000..281d7cfe
--- /dev/null
+++ b/res/app/components/stf/common-ui/fatal-message/fatal-message-spec.js
@@ -0,0 +1,11 @@
+describe('FatalMessageService', function() {
+
+  beforeEach(module('stf.fatal-message'));
+
+  it('should ...', inject(function(FatalMessageService) {
+
+	//expect(FatalMessageService.doSomething()).toEqual('something');
+
+  }));
+
+})
\ No newline at end of file
diff --git a/res/app/components/stf/common-ui/fatal-message/fatal-message.jade b/res/app/components/stf/common-ui/fatal-message/fatal-message.jade
new file mode 100644
index 00000000..499fd69e
--- /dev/null
+++ b/res/app/components/stf/common-ui/fatal-message/fatal-message.jade
@@ -0,0 +1,8 @@
+.modal-header
+  h3.modal-title(translate) Device was disconnected
+  .modal-body
+    h4 Device is not in use anymore
+  .modal-footer
+    button.btn.btn-primary(translate, ng-click='ok()') Try to reconnect
+    button.btn.btn-success(translate, ng-click='second()') Go to Device List
+    button.btn.btn-warning(translate, ng-click='cancel()') Close
diff --git a/res/app/components/stf/common-ui/fatal-message/index.js b/res/app/components/stf/common-ui/fatal-message/index.js
new file mode 100644
index 00000000..20fa83b1
--- /dev/null
+++ b/res/app/components/stf/common-ui/fatal-message/index.js
@@ -0,0 +1,4 @@
+module.exports = angular.module('stf.fatal-message', [
+
+])
+  .factory('FatalMessageService', require('./fatal-message-service'))
diff --git a/res/app/components/stf/common-ui/index.js b/res/app/components/stf/common-ui/index.js
index 98c02311..a7211da5 100644
--- a/res/app/components/stf/common-ui/index.js
+++ b/res/app/components/stf/common-ui/index.js
@@ -7,5 +7,6 @@ module.exports = angular.module('stf/common-ui', [
   require('./notifications').name,
   require('./ng-enter').name,
   require('./tooltips').name,
-  require('./tree').name
-])
\ No newline at end of file
+  require('./tree').name,
+  require('./fatal-message').name
+])
diff --git a/res/app/control-panes/control-panes-controller.js b/res/app/control-panes/control-panes-controller.js
index 3b9aac34..9b6a0dc6 100644
--- a/res/app/control-panes/control-panes-controller.js
+++ b/res/app/control-panes/control-panes-controller.js
@@ -1,4 +1,4 @@
-module.exports = function ($scope, gettext, $routeParams, $location, DeviceService, GroupService, ControlService) {
+module.exports = function ($scope, gettext, $routeParams, $location, DeviceService, GroupService, ControlService, FatalMessageService) {
 
   var sharedTabs = [
     {
@@ -122,4 +122,15 @@ module.exports = function ($scope, gettext, $routeParams, $location, DeviceServi
     .catch(function () {
       $location.path('/')
     })
+
+
+  $scope.$watch('device.state', function (newValue, oldValue) {
+    if (newValue !== oldValue) {
+      if (oldValue === 'using') {
+        FatalMessageService.open(angular.copy($scope.device))
+      } else {
+
+      }
+    }
+  }, true)
 }
diff --git a/res/app/layout/layout-controller.js b/res/app/layout/layout-controller.js
index b70204ce..59a15943 100644
--- a/res/app/layout/layout-controller.js
+++ b/res/app/layout/layout-controller.js
@@ -1,2 +1,3 @@
-module.exports = function LayoutCtrl() {
+module.exports = function LayoutCtrl(FatalMessageService) {
+
 }