Index: firmware/App/Modes/StateTxBloodPrime.c
===================================================================
diff -u -r046ffdda014e511363b04ed523eb3399a3eb4ad0 -rb30f390acbd6c972d4ecea536b875a409a2c8e77
--- firmware/App/Modes/StateTxBloodPrime.c	(.../StateTxBloodPrime.c)	(revision 046ffdda014e511363b04ed523eb3399a3eb4ad0)
+++ firmware/App/Modes/StateTxBloodPrime.c	(.../StateTxBloodPrime.c)	(revision b30f390acbd6c972d4ecea536b875a409a2c8e77)
@@ -156,6 +156,7 @@
 {
     // Set user alarm recovery actions allowed in this state
     setAlarmUserActionEnabled( ALARM_USER_ACTION_RESUME, TRUE );
+    setAlarmUserActionEnabled( ALARM_USER_ACTION_TEMPORARY_BREAK, TRUE );
     setAlarmUserActionEnabled( ALARM_USER_ACTION_RINSEBACK, TRUE );
     setAlarmUserActionEnabled( ALARM_USER_ACTION_END_TREATMENT, TRUE );
 
@@ -184,6 +185,13 @@
     cmdChangeQd( getTreatmentParameterU32( TREATMENT_PARAM_DIALYSATE_FLOW ) );
     cmdChangeQuf( 0.0F );
 
+    // Reset cumulative when we come back from temp break
+    if ( TRUE == getRinsebackIsCompleted() )
+    {
+        cumulativeBloodPrimeVolume_mL.data = 0.0;
+        setRinsebackIsCompleted( FALSE );
+    }
+
     setCurrentSubState( (U32)bloodPrimeState );
 }