Index: firmware/App/Drivers/FluidPump.h
===================================================================
diff -u -r60693bf21a8a0277eae54cbfcb6cfd68176b079a -r9b970fd909c38f64f034cda1ffa793b9e1c8c365
--- firmware/App/Drivers/FluidPump.h	(.../FluidPump.h)	(revision 60693bf21a8a0277eae54cbfcb6cfd68176b079a)
+++ firmware/App/Drivers/FluidPump.h	(.../FluidPump.h)	(revision 9b970fd909c38f64f034cda1ffa793b9e1c8c365)
@@ -32,12 +32,14 @@
 
 // ********** public definitions **********
 
-#define MAX_P40_FLUID_PUMP_PWM_DUTY_CYCLE       5000            ///< Maximum settable pump duty cycle magnitude for P40.
+#define MAX_P40_FLUID_PUMP_PWM_DUTY_CYCLE       4900            ///< Maximum settable pump duty cycle magnitude for P40.
 #define MAX_P12_FLUID_PUMP_PWM_DUTY_CYCLE       500             ///< Maximum settable pump duty cycle magnitude for P12.
 #define MIN_FLUID_PUMP_PWM_DUTY_CYCLE           0               ///< Minimum settable pump duty cycle magnitude.
+#define MIN_P40_FLUID_PUMP_PWM_DUTY_CYCLE       100             ///< Minimum settable pump duty cycle magnitude.
 
 #define MAX_P40_FLUID_PUMP_DUTY_CYCLE_PCT       0.98F           ///< Max duty cycle for P40 in percentage
 #define MAX_P12_FLUID_PUMP_DUTY_CYCLE_PCT       0.90F           ///< Max duty cycle for P12 in percentage.
+#define MIN_P40_FLUID_PUMP_DUTY_CYCLE_PCT       0.02F           ///< Min duty cycle in percentage.
 #define MIN_FLUID_PUMP_DUTY_CYCLE_PCT           0.0F            ///< Min duty cycle in percentage.
 
 /// Enumerations of fluid pumps.