Index: firmware/App/Controllers/PresOccl.c
===================================================================
diff -u -rdbd9f64cc37fbae9e0a9cf30bc4a5e58ba2ea3cd -r32ea72e681cbfa5496e915aad19fa7e597c7cd70
--- firmware/App/Controllers/PresOccl.c	(.../PresOccl.c)	(revision dbd9f64cc37fbae9e0a9cf30bc4a5e58ba2ea3cd)
+++ firmware/App/Controllers/PresOccl.c	(.../PresOccl.c)	(revision 32ea72e681cbfa5496e915aad19fa7e597c7cd70)
@@ -697,19 +697,24 @@
         }
 
         // Check for venous occlusion
-        if ( ( TRUE == txMode || TRUE == ptxMode ) &&
-             ( venPres > getS32TreatmentParamUpperRangeLimit( TREATMENT_PARAM_VEN_PRESSURE_HIGH_LIMIT ) + VENOUS_PRESSURE_OCCL_OFFSET_MMHG ) )
+#ifndef _RELEASE_
+        if ( getSoftwareConfigStatus( SW_CONFIG_DISABLE_VENOUS_PRESSURE_CHECK ) != SW_CONFIG_ENABLE_VALUE )
+#endif
         {
-            if ( TRUE == isPersistentAlarmTriggered( ALARM_ID_HD_VENOUS_LINE_OCCLUSION, TRUE ) )
+            if ( ( TRUE == txMode || TRUE == ptxMode ) &&
+                 ( venPres > getS32TreatmentParamUpperRangeLimit( TREATMENT_PARAM_VEN_PRESSURE_HIGH_LIMIT ) + 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
+            {
+                clearAlarmCondition( ALARM_ID_HD_VENOUS_LINE_OCCLUSION );
+                isPersistentAlarmTriggered( ALARM_ID_HD_VENOUS_LINE_OCCLUSION, FALSE );
+            }
         }
-        else
-        {
-            clearAlarmCondition( ALARM_ID_HD_VENOUS_LINE_OCCLUSION );
-            isPersistentAlarmTriggered( ALARM_ID_HD_VENOUS_LINE_OCCLUSION, FALSE );
-        }
     }
 }