Index: firmware/App/Controllers/PresOccl.c
===================================================================
diff -u -rc71ff8d9b1c3efea8649e11d12da472f06a5a511 -r48e04caf56eea9eb0580ec3631a04af0524f9f16
--- firmware/App/Controllers/PresOccl.c	(.../PresOccl.c)	(revision c71ff8d9b1c3efea8649e11d12da472f06a5a511)
+++ firmware/App/Controllers/PresOccl.c	(.../PresOccl.c)	(revision 48e04caf56eea9eb0580ec3631a04af0524f9f16)
@@ -589,6 +589,7 @@
         // Check arterial pressure during treatment mode
         if ( ( MODE_TREA == getCurrentOperationMode() ) &&
                 ( getTreatmentState() <= TREATMENT_DIALYSIS_STATE && getDialysisState() != DIALYSIS_SALINE_BOLUS_STATE ) )
+            // Note: do we want this alarm to be on during TREATMENT_BLOOD_PRIME_STATE?
         {
             F32 artLowLimit  = (F32)getTreatmentParameterS32( TREATMENT_PARAM_ART_PRESSURE_LOW_LIMIT );
             F32 artHighLimit = (F32)getTreatmentParameterS32( TREATMENT_PARAM_ART_PRESSURE_HIGH_LIMIT );
@@ -611,9 +612,7 @@
                 SET_ALARM_WITH_2_F32_DATA( ALARM_ID_ARTERIAL_PRESSURE_HIGH, artPres, artHighLimit );
             }
         }
-        else if (( MODE_TREA == getCurrentOperationMode() ) && ( TREATMENT_STOP_STATE == getTreatmentState() ||
-                 TREATMENT_RINSEBACK_STATE == getTreatmentState() || TREATMENT_RECIRC_STATE == getTreatmentState() ||
-                 TREATMENT_END_STATE == getTreatmentState()))
+        else if ( MODE_TREA == getCurrentOperationMode() )  // All treatment states not covered by the if above
         {
             // Check arterial pressure is within non-treatment alarm limits
             if ( TRUE == isPersistentAlarmTriggered( ALARM_ID_ARTERIAL_PRESSURE_LOW, artPres < ARTERIAL_PRESSURE_ND_MIN_MMHG ) )
@@ -684,9 +683,7 @@
                 SET_ALARM_WITH_2_F32_DATA( ALARM_ID_VENOUS_PRESSURE_HIGH, venPres, venHighLimit );
             }
         }
-        else if ( ( MODE_TREA == getCurrentOperationMode() ) && ( TREATMENT_STOP_STATE == getTreatmentState() ||
-                    TREATMENT_RINSEBACK_STATE == getTreatmentState() || TREATMENT_RECIRC_STATE == getTreatmentState() ||
-                    TREATMENT_END_STATE == getTreatmentState()))
+        else if ( MODE_TREA == getCurrentOperationMode() )  // All treatment states not covered by the if statement above
         {
             // Check venous pressure is less than non-treatment alarm limit
             if ( TRUE == isPersistentAlarmTriggered( ALARM_ID_VENOUS_PRESSURE_HIGH, venPres > VENOUS_PRESSURE_ND_MAX_MMHG ) )