diff --git a/script/RobotTCP.py b/script/RobotTCP.py
index 5ff3eff..f1162df 100644
--- a/script/RobotTCP.py
+++ b/script/RobotTCP.py
@@ -361,6 +361,10 @@ class RobotTCP(TcpDevice, Stoppable):
                 self.getLogger().info(ev)
                 self.on_event(ev)        
             self._update_state()    
+            self.setCache({"powered": self.powered 
+                           "speed": self.speed 
+                           "empty": self.empty 
+                           "settled": self.settled })
             #print time.time() - start                        
         except:
             if self.state != State.Offline: