Index: firmware/App/Controllers/Fans.c
===================================================================
diff -u -r1f500f8e6159a3fbab85ea68389e918a6df66400 -rd00ad426d849083922332f832e88e7137a1cad60
--- firmware/App/Controllers/Fans.c	(.../Fans.c)	(revision 1f500f8e6159a3fbab85ea68389e918a6df66400)
+++ firmware/App/Controllers/Fans.c	(.../Fans.c)	(revision d00ad426d849083922332f832e88e7137a1cad60)
@@ -12,14 +12,14 @@
 
 // ********** private definitions **********
 
-#define FANS_MIN_DUTY_CYCLE                         0.1                                           ///< Fans min PWM.
-#define FANS_MAX_DUTY_CYCLE                         0.95                                          ///< Fans max PWM.
+#define FANS_MIN_DUTY_CYCLE                          0.1                                           ///< Fans min PWM.
+#define FANS_MAX_DUTY_CYCLE                          0.95                                          ///< Fans max PWM.
 #define MIN_ALLOWED_AMBIENT_TEMPERATURE              20                                            ///< Min allowed ambient temperature.
 #define MAX_ALLOWED_AMBINET_TEMPERATURE              70                                            ///< Max allowed ambient temperature.
-#define FANS_MAX_ALLOWED_RAMP_UP_DELTA_DUTY_CYCLE          0.3                                           ///< Fans max allowed ramp up PWM change.
-#define FANS_MAX_ALLOWED_RAMP_DOWN_DELTA_DUTY_CYCLE        0.005                                         ///< Fans min allowed ramp down PWM change.
+#define FANS_MAX_ALLOWED_RAMP_UP_DELTA_DUTY_CYCLE    0.3                                           ///< Fans max allowed ramp up PWM change.
+#define FANS_MAX_ALLOWED_RAMP_DOWN_DELTA_DUTY_CYCLE  0.005                                         ///< Fans min allowed ramp down PWM change.
 
-#define ONE_MINUTE_TO_MICRO_SECONDS                  60000000                                      ///< One minute to micro seconds conversion.
+#define ONE_MINUTE_TO_MICRO_SECONDS                  ( SEC_PER_MIN * US_PER_SECOND )                                      ///< One minute to micro seconds conversion.
 #define TOGGLE_PERIOD_RESOLUTION                     2.5                                           ///< FPGA fans toggle period resolution in micro seconds.
 #define ROTATIONAL_TO_TOGGLE_PERIOD_CONVERSION_COEFF 4                                             ///< FPGA rotational to toggle period conversion coefficient.