diff --git a/modules/base_plugins/brew_steps/__init__.py b/modules/base_plugins/brew_steps/__init__.py
index d534746..b0eb86f 100644
--- a/modules/base_plugins/brew_steps/__init__.py
+++ b/modules/base_plugins/brew_steps/__init__.py
@@ -234,6 +234,7 @@ class BoilStep(StepBase):
                 self.check_hop_timer(4, self.hop_4)
                 self.check_hop_timer(5, self.hop_5)
                 self.check_fining_timer(self.fining)
+
         # Check if timer finished and go to next step
         if self.is_timer_finished() == True:
             self.notify("Boil Step Completed!", "Starting the next step", timeout=None)
diff --git a/modules/base_plugins/gpio_actor/__init__.py b/modules/base_plugins/gpio_actor/__init__.py
index e346ef9..820a55e 100644
--- a/modules/base_plugins/gpio_actor/__init__.py
+++ b/modules/base_plugins/gpio_actor/__init__.py
@@ -36,10 +36,10 @@ class GPIOSimple(ActorBase):
 class GPIOPWM(ActorBase):
 
     gpio = Property.Select("GPIO", options=[0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27], description="GPIO to which the actor is connected")
-    duty_cylce = Property.Number("Duty Cycle", configurable=True)
+    frequency = Property.Number("Frequency (Hz)", configurable=True)
 
     p = None
-    power = 100
+    power = 100  # duty cycle
 
     def init(self):
         GPIO.setup(int(self.gpio), GPIO.OUT)
@@ -50,10 +50,10 @@ class GPIOPWM(ActorBase):
         if power is not None:
             self.power = int(power)
 
-        if self.duty_cylce is None:
-            duty_cylce = 50
+        if self.frequency is None:
+            self.frequency = 0.5  # 2 sec
 
-        self.p = GPIO.PWM(int(self.gpio), int(self.duty_cylce))
+        self.p = GPIO.PWM(int(self.gpio), float(self.frequency))
         self.p.start(int(self.power))
 
     def set_power(self, power):
diff --git a/modules/core/controller.py b/modules/core/controller.py
index aef2a7e..05f21fd 100644
--- a/modules/core/controller.py
+++ b/modules/core/controller.py
@@ -139,7 +139,7 @@ class FermenterController(ControllerBase, ActorController, SensorController):
     def heater_on(self, power=100):
         f = self.api.cache.get("fermenter").get(self.fermenter_id)
         if f.heater is not None:
-            self.actor_on(int(f.heater))
+            self.actor_on(power, int(f.heater))
 
     @cbpi.try_catch(None)
     def heater_off(self):
diff --git a/modules/fermenter/__init__.py b/modules/fermenter/__init__.py
index e2dcf91..93a353f 100755
--- a/modules/fermenter/__init__.py
+++ b/modules/fermenter/__init__.py
@@ -77,6 +77,7 @@ class FermenterView(BaseView):
 
     def _post_put_callback(self, m):
         m.state = False
+        self.reset(int(m.id))
 
     @route('/<int:id>/targettemp/<temp>', methods=['POST'])
     def postTargetTemp(self, id, temp):