Index: firmware/App/Controllers/DialInFlow.c
===================================================================
diff -u -r22f7bcd7e26dc6be337fdb6adbc9281e8f60dbbc -r5217f70ca5c74bd586dc14540e6404b43feea004
--- firmware/App/Controllers/DialInFlow.c	(.../DialInFlow.c)	(revision 22f7bcd7e26dc6be337fdb6adbc9281e8f60dbbc)
+++ firmware/App/Controllers/DialInFlow.c	(.../DialInFlow.c)	(revision 5217f70ca5c74bd586dc14540e6404b43feea004)
@@ -47,8 +47,6 @@
 #define DIP_CONTROL_INTERVAL                 ( 500 / TASK_GENERAL_INTERVAL ) // interval (ms/task time) at which the dialIn pump is controlled
 #define DIP_P_COEFFICIENT                    0.0002          // P term for dialIn pump control
 #define DIP_I_COEFFICIENT                    0.00002         // I term for dialIn pump control
-#define DIP_MAX_ERROR_SUM                    10.0            // for anti-wind-up in I term
-#define DIP_MIN_ERROR_SUM                   -10.0
 #define DIP_MAX_PWM_DC_DELTA                 0.01            // prevents large steps in PWM duty cycle
 #define DIP_MIN_PWM_DC_DELTA                -0.01
 
@@ -168,8 +166,7 @@
     // initialize dialysate inlet flow PI controller
     initializePIController( PI_CONTROLLER_ID_DIALYSATE_FLOW, MIN_DIAL_IN_PUMP_PWM_DUTY_CYCLE,
                             DIP_P_COEFFICIENT, DIP_I_COEFFICIENT,
-                            MIN_DIAL_IN_PUMP_PWM_DUTY_CYCLE, MAX_DIAL_IN_PUMP_PWM_DUTY_CYCLE,
-                            DIP_MIN_ERROR_SUM, DIP_MAX_ERROR_SUM );
+                            MIN_DIAL_IN_PUMP_PWM_DUTY_CYCLE, MAX_DIAL_IN_PUMP_PWM_DUTY_CYCLE );
 }
 
 /*************************************************************************