diff --git a/components/actor/heater_sim.py b/components/actor/heater_sim.py
index a6802e4..a212bfe 100644
--- a/components/actor/heater_sim.py
+++ b/components/actor/heater_sim.py
@@ -21,11 +21,11 @@ class HeaterSim(AHeater):
 		return self.is_active
 
 	def process(self):
-		power_set = 100*round(self.power_set/100, 0)
-		self.power_eff = power_set if self.is_active else 0
+		power = 100*round(self.power_set/100, 0)
+		self.power_eff = power if self.power_set > 0 else 0
 
 	def set_power(self, power):
-		self.power_set = max(self.get_power_min(), min(self.get_power_max(), power))
+		self.power_set = min(self.get_power_max(), power)
 
 	def get_power(self):
 		return self.power_eff