Index: firmware/App/Controllers/PresOccl.c
===================================================================
diff -u -raa7b1f5f68aae23c1c52b32658fcb625c29accfb -r984bd22d53c604713e6b3a22a536c64a920e9100
--- firmware/App/Controllers/PresOccl.c	(.../PresOccl.c)	(revision aa7b1f5f68aae23c1c52b32658fcb625c29accfb)
+++ firmware/App/Controllers/PresOccl.c	(.../PresOccl.c)	(revision 984bd22d53c604713e6b3a22a536c64a920e9100)
@@ -15,7 +15,8 @@
 *
 ***************************************************************************/
 
-#include "PresOccl.h"
+#include "PresOccl.h"
+#include "AirPump.h"
 #include "AlarmMgmt.h"
 #include "FPGA.h"
 #include "ModeTreatmentParams.h"
@@ -50,6 +51,7 @@
 #define VENOUS_PRESSURE_MIN_PSI             ( -30.0F )                                      ///< Minimum of scale for venous pressure sensor reading (in PSI).
 #define VENOUS_PRESSURE_MAX_PSI             ( 30.0F )                                       ///< Maximum of scale for venous pressure sensor reading (in PSI).
 #define MIN_VENOUS_PRESSURE_FOR_RAMP_MMHG   ( 0.0F )                                        ///< Minimum venous pressure during blood pump ramp up (in mmHg).
+#define VENOUS_OFFSET_WITH_AIRPUMP_MMHG     ( 150.0F )                                      ///< Value to increase venous pressure high limit alarm when air pump is operating.
 
 #define ARTERIAL_PRESSURE_OFFSET            ( 1638 )                                        ///< Offset for 14-bit arterial pressure sensor reading.
 #define ARTERIAL_PRESSURE_SCALE             ( 14745 - VENOUS_PRESSURE_OFFSET )              ///< Scale for arterial pressure sensor.
@@ -563,6 +565,11 @@
                 venHighLimit = (F32)getS32TreatmentParamUpperRangeLimit( TREATMENT_PARAM_VEN_PRESSURE_HIGH_LIMIT );
             }
 
+            if ( AIR_PUMP_STATE_ON == getAirPumpState() )
+            {
+                venHighLimit = (F32)getS32TreatmentParamUpperRangeLimit( TREATMENT_PARAM_VEN_PRESSURE_HIGH_LIMIT ) + VENOUS_OFFSET_WITH_AIRPUMP_MMHG;
+            }
+
             // Cannot monitor for low venous pressure while venting air trap
             if ( getValveAirTrapStatus() != STATE_OPEN )
             {