Index: firmware/App/Modes/ModeTreatment.c
===================================================================
diff -u -r8d4bc50b9ec9758cd79cb026dd6ebe8cd69a19d8 -rf70ddc5911bffe11fc5e670c8566164af4b6c88f
--- firmware/App/Modes/ModeTreatment.c	(.../ModeTreatment.c)	(revision 8d4bc50b9ec9758cd79cb026dd6ebe8cd69a19d8)
+++ firmware/App/Modes/ModeTreatment.c	(.../ModeTreatment.c)	(revision f70ddc5911bffe11fc5e670c8566164af4b6c88f)
@@ -7,8 +7,8 @@
 *
 * @file    ModeTreatment.c
 *
-* @author  (last)      Dara Navaei
-* @date    (last)      14-Mar-2024
+* @author  (last)      Sean Nash
+* @date    (last)      22-Apr-2024
 *
 * @author  (original)  Dara Navaei
 * @date    (original)  05-Nov-2019
@@ -28,6 +28,7 @@
 #include "NVDataMgmt.h"
 #include "OperationModes.h"
 #include "PersistentAlarm.h"
+#include "PresOccl.h"
 #include "Reservoirs.h"
 #include "Rinseback.h"
 #include "RTC.h"
@@ -752,6 +753,8 @@
                 sendTreatmentLogEventData( UF_START_RESUME_EVENT, 0.0, presUFRate );
             }
             transitionToDialysis();
+            // To update partial blood pump occlusion baseline - start of treatment
+            signalBloodPumpPressureOcclBaseline();
             result = TREATMENT_DIALYSIS_STATE;
         }
     }
@@ -1184,6 +1187,7 @@
         }
         // UF volume cannot be set lower than the UF volume that has already been collected
         else if ( ( uFVolume > ( getF32TreatmentParamUpperRangeLimit( TREATMENT_PARAM_UF_VOLUME ) * ML_PER_LITER ) ) ||
+                  ( uFVolume < ( getF32TreatmentParamLowerRangeLimit( TREATMENT_PARAM_UF_VOLUME ) * ML_PER_LITER ) ) ||
                   ( uFVolume <= colUFVol ) )
         {
             rejectReason = REQUEST_REJECT_REASON_UF_VOLUME_OUT_OF_RANGE;
@@ -1303,6 +1307,8 @@
                 // Set to new rate
                 result &= setTreatmentParameterU32( TREATMENT_PARAM_BLOOD_FLOW, bloodRate );
                 setDialysisBloodPumpFlowRate( getTreatmentParameterU32( TREATMENT_PARAM_BLOOD_FLOW ) );
+                // Update partial occlusion baseline when blood flow rate changes
+                signalBloodPumpPressureOcclBaseline();
             }
 
             // Handle dialysate flow rate changes
@@ -1313,6 +1319,8 @@
                 // Set to new rate
                 result &= setTreatmentParameterU32( TREATMENT_PARAM_DIALYSATE_FLOW, dialRate );
                 setDialysisDialInFlowAndUFRate( getTreatmentParameterU32( TREATMENT_PARAM_DIALYSATE_FLOW ), presMaxUFVolumeML, presUFRate );
+                // Update partial occlusion baseline when dialysate flow rate changes
+                signalBloodPumpPressureOcclBaseline();
             }
         }
         else