diff --git a/Control/brewpi/controller.py b/Control/brewpi/controller.py
index bbfb76e..3f7a39a 100644
--- a/Control/brewpi/controller.py
+++ b/Control/brewpi/controller.py
@@ -100,7 +100,7 @@ class Controller():
 		if self.thread != None:
 			self.is_pause = True
 			self.stirrer.deactivate()
-			self.plant.setPower(0)
+			self.plant.activate(False)
 
 	def cont(self):
 		if self.thread != None:
@@ -124,16 +124,13 @@ class Controller():
 			self.rast(rast)
 			if self.rast_abort:
 				break
+			time.sleep(1);
 
 		if not self.is_restart:
 			self.receipe_sema.release()
 
 	def rast(self, rast):
 
-		# Stirrer
-		self.stirrer.activate()
-		self.stirrer.setCycleTime(self.stirrCycleTime)
-
 		# Temperature
 		self.theta = self.plant.getTemperature()
 		theta_soll = rast['temp']
@@ -151,7 +148,14 @@ class Controller():
 		# ------------------------------
 		# The loop
 		# ------------------------------
-		doLoop = True
+		doLoop = theta_soll > self.theta
+		if doLoop:
+			# Stirrer
+			self.stirrer.activate()
+			self.plant.activate(True)
+
+			self.stirrer.setCycleTime(self.stirrCycleTime)
+
 		useKalman = False
 		while(doLoop):
 
@@ -285,3 +289,5 @@ class Controller():
 				doLoop = False
 
 		self.stirrer.deactivate()
+		self.plant.activate(False)
+