diff --git a/plugin.py b/plugin.py
index c007176..9c7a512 100755
--- a/plugin.py
+++ b/plugin.py
@@ -84,6 +84,7 @@ class BasePlugin:
     pooling_current_step = 1
     max_retry = 6
     retry = max_retry
+    last_update = 0
 
     def __init__(self):
         return
@@ -301,6 +302,20 @@ class BasePlugin:
 
         Domoticz.Debug("Get Mode Response:" + str(response))
 
+        #Last Update
+        if 'updated_at' in response:
+            if self.last_update != response['updated_at']:
+                self.last_update = response['updated_at']
+
+            if time.time() > self.last_update + 60*30: #30 minutes
+                Domoticz.Status(f"Heatzy Mode obsolete! {(time.time() - self.last_update)//60} min")
+                Devices[1].Update(nValue=Devices[1].nValue, sValue=Devices[1].sValue, TimedOut = 1)
+                Devices[2].Update(nValue=Devices[2].nValue, sValue=Devices[2].sValue, TimedOut = 1)
+            else:
+                Domoticz.Status("Heatzy is back!")
+                Devices[1].Update(nValue=Devices[1].nValue, sValue=Devices[1].sValue, TimedOut = 0)
+                Devices[2].Update(nValue=Devices[2].nValue, sValue=Devices[2].sValue, TimedOut = 0)
+
         if 'attr' in response and 'mode' in response['attr']:
             mode = HEATZY_MODE[response['attr']['mode']]
             Domoticz.Debug(f"Current Heatzy Mode: {HEATZY_MODE_NAME[mode]}")