Index: firmware/App/Controllers/DialInFlow.c
===================================================================
diff -u -r736cc5b56cc9c784ab1d8fc8687a73d190c35759 -r20207f527bfa5ccc19245a61bbe856d3aa4cf8c0
--- firmware/App/Controllers/DialInFlow.c	(.../DialInFlow.c)	(revision 736cc5b56cc9c784ab1d8fc8687a73d190c35759)
+++ firmware/App/Controllers/DialInFlow.c	(.../DialInFlow.c)	(revision 20207f527bfa5ccc19245a61bbe856d3aa4cf8c0)
@@ -51,7 +51,7 @@
 
 #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 MAX_DIAL_IN_PUMP_PWM_DUTY_CYCLE      0.78F           ///< Max duty cycle is 78% to cap pump speed to 3,400 RPM to prevent rotor speed errors.
 #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)