Index: firmware/App/Controllers/DialInFlow.c
===================================================================
diff -u -r9353792f6dbd624a1d55cf1e87fa848e8fbaea71 -rf77b1d88f39e089be83734aaadfc952d17750d03
--- firmware/App/Controllers/DialInFlow.c	(.../DialInFlow.c)	(revision 9353792f6dbd624a1d55cf1e87fa848e8fbaea71)
+++ firmware/App/Controllers/DialInFlow.c	(.../DialInFlow.c)	(revision f77b1d88f39e089be83734aaadfc952d17750d03)
@@ -49,17 +49,17 @@
 
 #define MAX_SETTABLE_DIAL_IN_FLOW_RATE       700             ///< Maximum settable dialysate inlet flow rate (in mL/min).
 
-#define MAX_DIAL_IN_PUMP_PWM_STEP_UP_CHANGE  0.0133F         ///< Max duty cycle change when ramping up ~ 200 mL/min/s.
-#define MAX_DIAL_IN_PUMP_PWM_STEP_DN_CHANGE  0.02F           ///< Max duty cycle change when ramping down ~ 300 mL/min/s.
+#define MAX_DIAL_IN_PUMP_PWM_STEP_UP_CHANGE  0.01064F        ///< Max duty cycle change when ramping up.
+#define MAX_DIAL_IN_PUMP_PWM_STEP_DN_CHANGE  0.016F          ///< Max duty cycle change when ramping down.
 #define MAX_DIAL_IN_PUMP_PWM_DUTY_CYCLE      0.90F           ///< Controller will error if PWM duty cycle > 90%, so set max to 90%.
 #define MIN_DIAL_IN_PUMP_PWM_DUTY_CYCLE      0.10F           ///< Controller will error if PWM duty cycle < 10%, so set min to 10%.
 #define MIN_DG_DIAL_FLOW_RATE                10.0F           ///< Minimum DG Dialysate Flow Rate (mL/Min)
 
 #define DIP_CONTROL_INTERVAL_SEC             4               ///< Dialysate inlet pump control interval (in seconds).
 /// Interval (ms/task time) at which the dialIn pump is controlled.
 static const U32 DIP_CONTROL_INTERVAL      = ( DIP_CONTROL_INTERVAL_SEC * MS_PER_SECOND / TASK_GENERAL_INTERVAL );
-#define DIP_P_COEFFICIENT                    0.0001F         ///< P term for dialIn pump control.
-#define DIP_I_COEFFICIENT                    0.00075F        ///< I term for dialIn pump control.
+#define DIP_P_COEFFICIENT                    0.00008F        ///< P term for dialIn pump control.
+#define DIP_I_COEFFICIENT                    0.00060F        ///< I term for dialIn pump control.
 
 #define DIP_HOME_SPEED                       400             ///< Target pump speed (in RPM) for homing.
 #define DIP_HOME_TIMEOUT_MS                  10000           ///< Maximum time allowed for homing to complete (in ms).
@@ -100,16 +100,16 @@
 ///< Macro converts a 12-bit ADC reading to a signed 16-bit value.
 #define SIGN_FROM_12_BIT_VALUE(v)            ( (S16)(v) - (S16)DIAL_IN_PUMP_ADC_ZERO )
 
-#define DIP_SPEED_ADC_TO_RPM_FACTOR          1.751752F       ///< Conversion factor from ADC counts to RPM for dialIn pump motor (3500 RPM/1998 counts).
-#define DIP_MOTOR_RPM_TO_PWM_DC_FACTOR       0.000238F       ///< ~42 BP motor RPM = 1% PWM duty cycle
+#define DIP_SPEED_ADC_TO_RPM_FACTOR          2.152152F       ///< Conversion factor from ADC counts to RPM for dialIn pump motor (4300 RPM/1998 counts).
+#define DIP_MOTOR_RPM_TO_PWM_DC_FACTOR       0.0002F         ///< ~50 BP motor RPM = 1% PWM duty cycle
 #define DIP_CURRENT_ADC_TO_MA_FACTOR         3.002F          ///< Conversion factor from ADC counts to mA for dialIn pump motor.
 
 #define DIP_REV_PER_LITER                    146.84F         ///< Rotor revolutions per liter.
 /// Macro converts flow rate to motor RPM.
 #define DIP_ML_PER_MIN_TO_PUMP_RPM_FACTOR    ( DIP_REV_PER_LITER / ML_PER_LITER )
 #define DIP_GEAR_RATIO                       32.0F           ///< DialIn pump motor to dialIn pump gear ratio.
 #define DIP_PWM_ZERO_OFFSET                  0.1F            ///< 10% PWM duty cycle = zero speed.
-#define DIP_100_PCT_PWM_RPM_RANGE            4000.0F         ///< 10-90% PWM range yields 0-3,200 RPM range.  Full 100% PWM range would yield 4,000 RPM range.
+#define DIP_100_PCT_PWM_RPM_RANGE            5000.0F         ///< 10-90% PWM range yields 0-4,000 RPM range.  Full 100% PWM range would yield 5,000 RPM range.
 
 /// Conversion from PWM duty cycle % to commanded pump motor speed.  PWM range is 10% to 90%.  RPM range is 0 to 3200.  3200 / 0.8 = 4000.
 #define DIP_PWM_TO_MOTOR_SPEED_RPM(pwm,dir)  ( ( ((pwm) - DIP_PWM_ZERO_OFFSET) * DIP_100_PCT_PWM_RPM_RANGE ) * ( dir == MOTOR_DIR_FORWARD ? 1.0F : -1.0F ) )