Index: firmware/App/Controllers/PresOccl.c
===================================================================
diff -u -rbb5280946ac08388b456c7c1848d7797c4a28038 -r9848d793638e2f613678e60ea7c0f1e7bc31d9eb
--- firmware/App/Controllers/PresOccl.c	(.../PresOccl.c)	(revision bb5280946ac08388b456c7c1848d7797c4a28038)
+++ firmware/App/Controllers/PresOccl.c	(.../PresOccl.c)	(revision 9848d793638e2f613678e60ea7c0f1e7bc31d9eb)
@@ -587,8 +587,8 @@
         }
 
         // Check arterial pressure during treatment mode
-        if ( MODE_TREA == getCurrentOperationMode() &&
-             TREATMENT_DIALYSIS_STATE == getTreatmentState()  && getDialysisState() != DIALYSIS_SALINE_BOLUS_STATE )
+        if ( ( MODE_TREA == getCurrentOperationMode() ) &&
+             ( TREATMENT_DIALYSIS_STATE == getTreatmentState() ) && ( getDialysisState() != DIALYSIS_SALINE_BOLUS_STATE ) )
         {
             F32 artLowLimit  = (F32)getTreatmentParameterS32( TREATMENT_PARAM_ART_PRESSURE_LOW_LIMIT );
             F32 artHighLimit = (F32)getTreatmentParameterS32( TREATMENT_PARAM_ART_PRESSURE_HIGH_LIMIT );
@@ -727,7 +727,7 @@
             signalBloodPumpHardStop();  // Stop pump immediately
             SET_ALARM_WITH_1_U32_DATA( ALARM_ID_OCCLUSION_BLOOD_PUMP, bpOccl )
         }
-        else if ( bpOccl <= ( OCCLUSION_CLEAR_THRESHOLD_OFFSET + bloodPumpOcclusionAfterCartridgeInstall ) )
+        else
         {
             clearAlarmCondition( ALARM_ID_OCCLUSION_BLOOD_PUMP );
         }