diff --git a/tasks/heater.py b/tasks/heater.py
old mode 100644
new mode 100755
index 27f3a84..ae3d9f4
--- a/tasks/heater.py
+++ b/tasks/heater.py
@@ -14,10 +14,11 @@ class HeaterTask(ATask):
 		self.msg_handler = msg_handler
 		msg_handler.set_recv_handler(self.recv)
 		self.power_soll = 0
+		self.power_actor = 0
 		self.pulse_counter = 0
 
 	def actor(self, y):
-		self.power_soll = max(0, self.device.get_power_max() * y)
+		self.power_actor = max(0, self.device.get_power_max() * y)
 
 	def on_changed_active(self, is_activated):
 		asyncio.create_task(self.send({'Activate': int(is_activated)}))
@@ -44,23 +45,25 @@ class HeaterTask(ATask):
 
 		with self.device.open():
 			while True:
+				power_soll = max(self.power_soll, self.power_actor)
 				on_count = pulse_period_count
 				if self.device.get_power_min() > 0:
-					on_count = pulse_period_count*min(1, self.power_soll / self.device.get_power_min())
+					on_count = pulse_period_count*min(1, power_soll / self.device.get_power_min())
 
 				self.pulse_counter += 1
 				if self.pulse_counter >= pulse_period_count:
 					self.pulse_counter = 0
 
-				if self.power_soll < self.device.get_power_min():
-					if self.power_soll == 0 or self.pulse_counter >= on_count:
+				if power_soll < self.device.get_power_min():
+					if power_soll == 0 or self.pulse_counter >= on_count:
 						self.device.set_power(0)
 					elif self.pulse_counter < on_count:
 						self.device.set_power(self.device.get_power_min())
 				else:
-					self.device.set_power(self.power_soll)
+					self.device.set_power(power_soll)
 
 				self.device.process()
 				await asyncio.sleep(self.interval)
 
 
+