Index: firmware/App/Controllers/PresOccl.c
===================================================================
diff -u -r818d96fff963c707f5e2cb5aae7bf16f23e4b08a -rf46b7a1f9bbfa15ab3f9b6a0fe6873f393f10248
--- firmware/App/Controllers/PresOccl.c	(.../PresOccl.c)	(revision 818d96fff963c707f5e2cb5aae7bf16f23e4b08a)
+++ firmware/App/Controllers/PresOccl.c	(.../PresOccl.c)	(revision f46b7a1f9bbfa15ab3f9b6a0fe6873f393f10248)
@@ -717,37 +717,43 @@
 #endif
     {
         // Range check occlusion sensor
+
         if ( TRUE == isPersistentAlarmTriggered( ALARM_ID_HD_BP_OCCLUSION_OUT_OF_RANGE, outOfRange ) )
         {
             SET_ALARM_WITH_1_U32_DATA( ALARM_ID_HD_BP_OCCLUSION_OUT_OF_RANGE, bpOccl );
         }
 
         // Check for occlusion in PreTreatment modes when the cartridge is installed
         // and setOcclusionInstallLevel has been called.
+
         if( MODE_PRET == getCurrentOperationMode() )
         {
 
             if( getPreTreatmentSubState() > HD_PRE_TREATMENT_CART_INSTALL_STATE && getDrySelfTestsState() > DRY_SELF_TESTS_START_STATE )
             {
-                // Check for occlusion
+                // Check for occlusion
+
                 if ( bpOccl > ( OCCLUSION_THRESHOLD_OFFSET + bloodPumpOcclusionAfterCartridgeInstall ) )
                 {
+
                     signalBloodPumpHardStop();  // Stop pump immediately
                     SET_ALARM_WITH_1_U32_DATA( ALARM_ID_OCCLUSION_BLOOD_PUMP, bpOccl )
                 }
             }
         }
 
-        // Check for occlusion in PreTreatment modes where pumps are moving
+        // Check for occlusion in Treatment modes where pumps are moving
         else if( MODE_TREA == getCurrentOperationMode() )
         {
 
             if( TREATMENT_STOP_STATE != getTreatmentState())
             {
 
                 // Check for occlusion
+
                 if ( bpOccl > ( OCCLUSION_THRESHOLD_OFFSET + bloodPumpOcclusionAfterCartridgeInstall ) )
                 {
+
                     signalBloodPumpHardStop();  // Stop pump immediately
                     SET_ALARM_WITH_1_U32_DATA( ALARM_ID_OCCLUSION_BLOOD_PUMP, bpOccl )
                 }