Index: firmware/App/Modes/Rinseback.c
===================================================================
diff -u -r25ede6f944eb53b68c8073404663c99d3ce158b0 -r41eaf78372c0ee2a79b38d0a06bd3f02d54baed4
--- firmware/App/Modes/Rinseback.c	(.../Rinseback.c)	(revision 25ede6f944eb53b68c8073404663c99d3ce158b0)
+++ firmware/App/Modes/Rinseback.c	(.../Rinseback.c)	(revision 41eaf78372c0ee2a79b38d0a06bd3f02d54baed4)
@@ -40,7 +40,6 @@
 #define TUBING_RINSEBACK_VOLUME_ML                   80.0F                  ///< Target rinseback volume to deliver back to the patient (in mL).
 #define DEFAULT_RINSEBACK_VOLUME_ML                 300.0F                  ///< Default rinseback volume (in mL).
 #define MAX_TOTAL_ADDITIONAL_RINSEBACK_VOLUME_ML    300.0F                  ///< Maximum total additional rinseback volume allowed : all additionals (in mL).
-#define MAX_RINSEBACK_VOLUME_ERROR_ML                60.0F                  ///< Maximum error in total additional rinseback volume (20% of total).
 #define TARGET_ADDITIONAL_RINSEBACK_VOLUME_ML        10.0F                  ///< Target rinseback volume for an additional volume request (in mL).
 #define RINSEBACK_FLOW_RATE_ADJ_ML_MIN               25                     ///< Adjustment amount (in mL/min) to apply when user requests increase/decrease in flow rate.
 #define MIN_RINSEBACK_FLOW_RATE_ML_MIN               50                     ///< Minimum rinseback flow rate (in mL/min).
@@ -63,7 +62,6 @@
 
 static F32  rinsebackTargetVolume_mL;                                       ///< Calculated target rinseback volume (based on selected dialyzer and fixed tubing volume).
 static OVERRIDE_F32_T  cumulativeRinsebackVolume_mL = { 0.0, 0.0, 0.0, 0 }; ///< Total cumulative rinseback volume (in mL) from measured blood flow rate.
-static F32  expectedRinsebackVolume_mL = 0.0;                               ///< Total cumulative rinseback volume (in mL) expected based on target blood flow rate.
 static F32  targetRinsebackVolumePlusAdditional_mL;                         ///< Target rinseback volume w/ additional volume(s) added (in mL).
 static F32  additionalRinsebackVolume_mL;                                   ///< Total volume (in mL) delivered so far for additional volume request.
 static F32  totalAdditionalRinsebackVolume_mL;                              ///< Total accumulated volume (in mL) delivered so far for all additional volumes combined.
@@ -127,7 +125,6 @@
     targetRinsebackVolumePlusAdditional_mL = rinsebackTargetVolume_mL;
     rinsebackTimerCtr = 0;
     cumulativeRinsebackVolume_mL.data = 0.0;
-    expectedRinsebackVolume_mL = 0.0;
     additionalRinsebackVolume_mL = 0.0;
     totalAdditionalRinsebackVolume_mL = 0.0;
     rinsebackAdditionalTimerCtr = 0;
@@ -379,7 +376,6 @@
 
     // Update rinseback volume delivered so far
     cumulativeRinsebackVolume_mL.data += ( getMeasuredBloodFlowRate() * RINSEBACK_FLOW_INTEGRATOR );
-    expectedRinsebackVolume_mL += ( (F32)getTargetBloodFlowRate() * RINSEBACK_FLOW_INTEGRATOR );
 
     // Has user requested to end rinseback?
     if ( TRUE == endRinsebackRequested )
@@ -409,19 +405,6 @@
         setupForRinsebackStopOrPause();
         result = RINSEBACK_PAUSED_STATE;
     }
-    // Is rinseback taking too long?
-    else if ( fabs( expectedRinsebackVolume_mL - getRinsebackVolume() ) > MAX_RINSEBACK_VOLUME_ERROR_ML )
-    {
-#ifndef _RELEASE_
-        if ( getSoftwareConfigStatus( SW_CONFIG_DISABLE_PUMP_FLOW_CHECKS ) != SW_CONFIG_ENABLE_VALUE )
-#endif
-        {
-            setRinsebackIsCompleted( TRUE );
-            setupForRinsebackStopOrPause();
-            activateAlarmNoData( ALARM_ID_RINSEBACK_VOLUME_CHECK_FAILURE );
-            result = RINSEBACK_STOP_STATE;
-        }
-    }
     // Otherwise, continue rinseback
     else
     {   // Has user requested rate change?