add try_catch for cooler methods in fermentercontroller

modules/core/controller.py

@@ -125,11 +125,13 @@ class FermenterController(ControllerBase, ActorController, SensorController):
         if f.heater is not None:
             self.actor_off(int(f.heater))
 
+    @cbpi.try_catch(None)
     def cooler_on(self):
         f = self.api.cache.get("fermenter").get(self.fermenter_id)
         if f.cooler is not None:
             self.actor_on(id=int(f.cooler))
 
+    @cbpi.try_catch(None)
     def cooler_off(self):
         f = self.api.cache.get("fermenter").get(self.fermenter_id)
         if self.cooler is not None: