Index: firmware/App/Controllers/AirTrap.c
===================================================================
diff -u -raac87fcc5e595db0659a983017ce5113f1dd295f -r36d007b4b475ace14b370ab06366aed2196274f1
--- firmware/App/Controllers/AirTrap.c	(.../AirTrap.c)	(revision aac87fcc5e595db0659a983017ce5113f1dd295f)
+++ firmware/App/Controllers/AirTrap.c	(.../AirTrap.c)	(revision 36d007b4b475ace14b370ab06366aed2196274f1)
@@ -396,7 +396,7 @@
     else if ( AIR_TRAP_LEVEL_FLUID == getAirTrapLevel( AIR_TRAP_LEVEL_SENSOR_LOWER ) )
     {
         setValveAirTrap( STATE_CLOSED );
-        signalLowVenousPressureCheck( TRUE );
+        signalLowVenousPressureCheck();
         SEND_EVENT_WITH_2_U32_DATA( HD_EVENT_AIR_TRAP_FILL, STATE_CLOSED, 0 );
         result = AIR_TRAP_VALVE_CLOSED_STATE;
     }
Index: firmware/App/Controllers/PresOccl.c
===================================================================
diff -u -raac87fcc5e595db0659a983017ce5113f1dd295f -r36d007b4b475ace14b370ab06366aed2196274f1
--- firmware/App/Controllers/PresOccl.c	(.../PresOccl.c)	(revision aac87fcc5e595db0659a983017ce5113f1dd295f)
+++ firmware/App/Controllers/PresOccl.c	(.../PresOccl.c)	(revision 36d007b4b475ace14b370ab06366aed2196274f1)
@@ -838,8 +838,8 @@
     }
     else
     {
-        // Increment counter on airtrap valve close state
-        if( TRUE == lowVenousPressureExemptCheck )
+        // Increment counter on airtrap valve close state. Also, when next fill happens within exempt period, counter will be keep incremented irrespective of valve state.
+        if ( TRUE == lowVenousPressureExemptCheck )
         {
             venLowPresExemptAfterAirTrapFillTimerCtr++;
         }
@@ -1008,21 +1008,15 @@
 
 /*********************************************************************//**
  * @brief
- * The signalLowVenousPressureCheck function sets the low venous pressure Exempt check flag based on the air trap valve status .
+ * The signalLowVenousPressureCheck function sets the low venous pressure Exempt check flag to increment the counter.
  * @details Inputs: lowVenousPressureExemptCheck
  * @details Outputs: lowVenousPressureExemptCheck
  * @return none.
  *************************************************************************/
-void signalLowVenousPressureCheck( BOOL enable )
+void signalLowVenousPressureCheck( void )
 {
-    if ( TRUE == enable )
-    {
-        lowVenousPressureExemptCheck = TRUE;
-    }
-    else
-    {
-        lowVenousPressureExemptCheck = FALSE;
-    }
+   // When flag set, low venous pressure exempt counter increments.
+   lowVenousPressureExemptCheck = TRUE;
 }
 
 /*********************************************************************//**
Index: firmware/App/Controllers/PresOccl.h
===================================================================
diff -u -raac87fcc5e595db0659a983017ce5113f1dd295f -r36d007b4b475ace14b370ab06366aed2196274f1
--- firmware/App/Controllers/PresOccl.h	(.../PresOccl.h)	(revision aac87fcc5e595db0659a983017ce5113f1dd295f)
+++ firmware/App/Controllers/PresOccl.h	(.../PresOccl.h)	(revision 36d007b4b475ace14b370ab06366aed2196274f1)
@@ -97,7 +97,7 @@
 BOOL isCartridgeUnloaded( void );
 BOOL isSalineBagEmpty( void );
 
-void signalLowVenousPressureCheck( BOOL enable );
+void signalLowVenousPressureCheck( void );
 
 void setOcclusionInstallLevel( void );