Index: firmware/App/Controllers/PresOccl.c
===================================================================
diff -u -r4e9b962e7cb3c0b477462756a32214118b10fc16 -r2165ff5cb2127cfe2adfcafbccb9b9078e40e5b2
--- firmware/App/Controllers/PresOccl.c	(.../PresOccl.c)	(revision 4e9b962e7cb3c0b477462756a32214118b10fc16)
+++ firmware/App/Controllers/PresOccl.c	(.../PresOccl.c)	(revision 2165ff5cb2127cfe2adfcafbccb9b9078e40e5b2)
@@ -216,7 +216,7 @@
     initPersistentAlarm( ALARM_ID_HD_ARTERIAL_PRESSURE_OUT_OF_RANGE, 0, PRES_ALARM_PERSISTENCE );
     initPersistentAlarm( ALARM_ID_HD_VENOUS_PRESSURE_OUT_OF_RANGE, 0, PRES_ALARM_PERSISTENCE );
     initPersistentAlarm( ALARM_ID_HD_BP_OCCLUSION_OUT_OF_RANGE, 0, PRES_OCCL_ALARM_PERSISTENCE );
-    initPersistentAlarm( ALARM_ID_HD_VENOUS_LINE_OCCLUSION, 0, VEN_OCCL_ALARM_PERSISTENCE );
+    initPersistentAlarm( ALARM_ID_HD_VENOUS_LINE_OCCLUSION, 0, PRES_ALARM_PERSISTENCE );
 
     // Initialize the FPGA persistent alarms
     initFPGAPersistentAlarm( FPGA_PERS_ERROR_OCCLUSION_PRESSURE_SENSOR, ALARM_ID_HD_OCCLUSION_SENSOR_FPGA_FAULT,
@@ -842,18 +842,24 @@
 #ifndef _RELEASE_
         if ( getSoftwareConfigStatus( SW_CONFIG_DISABLE_VENOUS_PRESSURE_CHECK ) != SW_CONFIG_ENABLE_VALUE )
 #endif
-        {
-            if ( ( TRUE == txMode || TRUE == ptxMode ) &&
-                 ( venPres > VENOUS_PRESSURE_LIMIT_MAX_MMHG + VENOUS_PRESSURE_OCCL_OFFSET_MMHG ) )
-            {
-                if ( TRUE == isPersistentAlarmTriggered( ALARM_ID_HD_VENOUS_LINE_OCCLUSION, TRUE ) )
+        {   // only trigger alarm if BP is running
+            if ( isBloodPumpRunning() != FALSE )
+            {   // must be in treatment or pre-treatment mode to trigger this alarm
+                if ( ( TRUE == txMode || TRUE == ptxMode ) &&
+                     ( venPres > VENOUS_PRESSURE_LIMIT_MAX_MMHG + VENOUS_PRESSURE_OCCL_OFFSET_MMHG ) )
                 {
-                    SET_ALARM_WITH_1_F32_DATA( ALARM_ID_HD_VENOUS_LINE_OCCLUSION, venPres );
+                    if ( TRUE == isPersistentAlarmTriggered( ALARM_ID_HD_VENOUS_LINE_OCCLUSION, TRUE ) )
+                    {
+                        SET_ALARM_WITH_1_F32_DATA( ALARM_ID_HD_VENOUS_LINE_OCCLUSION, venPres );
+                    }
                 }
+                else
+                {
+                    isPersistentAlarmTriggered( ALARM_ID_HD_VENOUS_LINE_OCCLUSION, FALSE );
+                }
             }
             else
             {
-                clearAlarmCondition( ALARM_ID_HD_VENOUS_LINE_OCCLUSION );
                 isPersistentAlarmTriggered( ALARM_ID_HD_VENOUS_LINE_OCCLUSION, FALSE );
             }
         }