Index: firmware/App/Controllers/DialOutFlow.c
===================================================================
diff -u -r706f67e47f41e06b30e95026af2e9854e0e801e2 -r0902a15ea36ad1cc1faa9ecc9422d557a0c680a4
--- firmware/App/Controllers/DialOutFlow.c	(.../DialOutFlow.c)	(revision 706f67e47f41e06b30e95026af2e9854e0e801e2)
+++ firmware/App/Controllers/DialOutFlow.c	(.../DialOutFlow.c)	(revision 0902a15ea36ad1cc1faa9ecc9422d557a0c680a4)
@@ -57,7 +57,8 @@
 #define MAX_DIAL_OUT_PUMP_PWM_CHANGE            0.05F           ///< Maximum duty cycle change allowed.
 #define MAX_DIAL_OUT_PUMP_PWM_STEP_UP_CHANGE    0.01064F        ///< Maximum duty cycle change when ramping up.
 #define MAX_DIAL_OUT_PUMP_PWM_STEP_DN_CHANGE    0.016F          ///< Maximum duty cycle change when ramping down.
-#define MAX_DIAL_OUT_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 MAX_DIAL_OUT_PUMP_PWM_DUTY_CYCLE_SET    0.78F           ///< Max duty cycle is 78% to cap pump speed to 3,400 RPM to prevent rotor speed errors.
+#define MAX_DIAL_OUT_PUMP_PWM_DUTY_CYCLE        0.90F           ///< Controller will error if PWM duty cycle > 90%, so set max to 90%.
 #define MIN_DIAL_OUT_PUMP_PWM_DUTY_CYCLE        0.10F           ///< Controller will error if PWM duty cycle < 10%, so set min to 10%.
 #define MIN_DIAL_OUT_CL_PWM_DUTY_CYCLE          0.11F           ///< Dial outlet pump Closed Loop minimum PWM duty cycle.
 #define MAX_DIAL_OUT_PUMP_PWM_OFFSET_CONTROL    0.4F            ///< Maximum PWM offset (added to DPi PWM duty cycle).
@@ -329,7 +330,7 @@
                 dialOutPumpControlMode = mode;
                 // Set PWM duty cycle target to an estimated initial target to ramp to based on target flow rate - then we will control to flow when ramp completed
                 dialOutPumpPWMDutyCyclePct = pwmDC;
-                dialOutPumpPWMDutyCyclePct = RANGE( dialOutPumpPWMDutyCyclePct, MIN_DIAL_OUT_PUMP_PWM_DUTY_CYCLE, MAX_DIAL_OUT_PUMP_PWM_DUTY_CYCLE );
+                dialOutPumpPWMDutyCyclePct = RANGE( dialOutPumpPWMDutyCyclePct, MIN_DIAL_OUT_PUMP_PWM_DUTY_CYCLE, MAX_DIAL_OUT_PUMP_PWM_DUTY_CYCLE_SET );
 
                 switch ( dialOutPumpState )
                 {
@@ -868,7 +869,7 @@
             }
 
             // Limit PWM range
-            dialOutPumpPWMDutyCyclePctSet = MIN( dialOutPumpPWMDutyCyclePctSet, MAX_DIAL_OUT_PUMP_PWM_DUTY_CYCLE );
+            dialOutPumpPWMDutyCyclePctSet = MIN( dialOutPumpPWMDutyCyclePctSet, MAX_DIAL_OUT_PUMP_PWM_DUTY_CYCLE_SET );
             dialOutPumpPWMDutyCyclePctSet = MAX( dialOutPumpPWMDutyCyclePctSet, MIN_DIAL_OUT_CL_PWM_DUTY_CYCLE );
 
             // Apply new PWM to DPo pump