Index: firmware/App/Controllers/PresOccl.c
===================================================================
diff -u -r22c6e77d77763c5b34b5dd8c3fcd45cb8c16324c -r89ffa1705cdf4e2d0a7be8f6cfd340f1f590e243
--- firmware/App/Controllers/PresOccl.c	(.../PresOccl.c)	(revision 22c6e77d77763c5b34b5dd8c3fcd45cb8c16324c)
+++ firmware/App/Controllers/PresOccl.c	(.../PresOccl.c)	(revision 89ffa1705cdf4e2d0a7be8f6cfd340f1f590e243)
@@ -7,8 +7,8 @@
 *
 * @file    PresOccl.c
 *
-* @author  (last)      Michael Garthwaite
-* @date    (last)      07-Feb-2023
+* @author  (last)      Sean Nash
+* @date    (last)      03-Mar-2023
 *
 * @author  (original)  Sean
 * @date    (original)  15-Jan-2020
@@ -59,20 +59,21 @@
 #define ARTERIAL_PRESSURE_MIN_PSI           ( -30.0F )                                      ///< Minimum of scale for arterial pressure sensor reading (in PSI).
 #define ARTERIAL_PRESSURE_MAX_PSI           ( 30.0F )                                       ///< Maximum of scale for arterial pressure sensor reading (in PSI).
 
-#define ARTERIAL_PRESSURE_SELF_TEST_MIN     ( -300.0F )                                     ///< Minimum self-test value for arterial pressure sensor reading (in mmHg).
+#define ARTERIAL_PRESSURE_SELF_TEST_MIN     ( -100.0F )                                     ///< Minimum self-test value for arterial pressure sensor reading (in mmHg).
 #define ARTERIAL_PRESSURE_SELF_TEST_MAX     ( 100.0F )                                      ///< Maximum self-test value for arterial pressure sensor reading (in mmHg).
 #define ARTERIAL_PRESSURE_MAX_MMHG          ( 2000.0F )                                     ///< Maximum arterial pressure reading (in mmHg) for range check.
 #define ARTERIAL_PRESSURE_MIN_MMHG          ( -1500.0F )                                    ///< Minimum arterial pressure reading (in mmHg) for range check.
 
 #define VENOUS_PRESSURE_SELF_TEST_MIN       ( -100.0F )                                     ///< Minimum self-test value for venous pressure sensor reading (in mmHg).
-#define VENOUS_PRESSURE_SELF_TEST_MAX       ( 600.0F )                                      ///< Maximum self-test value for venous pressure sensor reading (in mmHg).
+#define VENOUS_PRESSURE_SELF_TEST_MAX       ( 100.0F )                                      ///< Maximum self-test value for venous pressure sensor reading (in mmHg).
 #define VENOUS_PRESSURE_MAX_MMHG            ( 2000.0F )                                     ///< Maximum venous pressure reading (in mmHg) for range check.
 #define VENOUS_PRESSURE_MIN_MMHG            ( -1500.0F )                                    ///< Minimum venous pressure reading (in mmHg) for range check.
 #define VENOUS_PRESSURE_OCCL_OFFSET_MMHG    ( 50.0F )                                       ///< Venous pressure occlusion threshold offset from max alarm limit (in mmHg).
 #define VENOUS_PRESSURE_LIMIT_DELAY_MS      ( SEC_PER_MIN * MS_PER_SECOND )                 ///< Venous pressure limit delay period following dialysis start/resume (use wider limits during this period).
 
 #define PSI_TO_MMHG                         ( 51.7149F )                                    ///< Conversion factor for converting PSI to mmHg.
 
+// The new arterial pressure sensor is the same as the venous pressure sensor
 #define VENOUS_PRESSURE_NORMAL_OP           0                                               ///< Venous pressure status bits indicate normal operation.
 #define VENOUS_PRESSURE_CMD_MODE            1                                               ///< Venous pressure status bits indicate sensor in command mode.
 #define VENOUS_PRESSURE_STALE_DATA          2                                               ///< Venous pressure status bits indicate data is stale (no new data since last fpga read).
@@ -663,7 +664,6 @@
                 }
             }
         }
-
         // Check for occlusion in Treatment modes where pumps are moving
         else if ( MODE_TREA == getCurrentOperationMode() )
         {
@@ -862,8 +862,6 @@
         data.arterialPressure = shortFilteredArterialPressure;
         data.venousPressure = shortFilteredVenousPressure;
         data.bldPumpOcclusion = getMeasuredBloodPumpOcclusion();
-        data.diPumpOcclusion = 0;  // TODO - remove unused fields
-        data.doPumpOcclusion = 0;
 
         broadcastData( MSG_ID_PRESSURE_OCCLUSION_DATA, COMM_BUFFER_OUT_CAN_HD_BROADCAST, (U08*)&data, sizeof( PRESSURE_OCCLUSION_DATA_T ) );
         presOcclDataPublicationTimerCounter = 0;