Index: firmware/App/Modes/SelfTests.c
===================================================================
diff -u -r23389626f10f9e841c185c189ef16ac3939d549c -rb79c79bdbae63b4672f7222a859e01103e58c756
--- firmware/App/Modes/SelfTests.c	(.../SelfTests.c)	(revision 23389626f10f9e841c185c189ef16ac3939d549c)
+++ firmware/App/Modes/SelfTests.c	(.../SelfTests.c)	(revision b79c79bdbae63b4672f7222a859e01103e58c756)
@@ -50,8 +50,8 @@
 
 #define ARTERIAL_DECAY_PRESSURE_DIFF_TOLERANCE_MMHG         5.0F                                    ///< Difference in arterial pressure readings after the pump stops (in mmHg).
 #define VENOUS_DECAY_PRESSURE_DIFF_TOLERANCE_MMHG           10.0F                                   ///< Difference in venous pressure readings after the pump stops (in mmHg).
-#define ARTERIAL_STABILITY_PRESSURE_DIFF_TOLERANCE_MMHG     4.0F                                    ///< Difference in arterial pressure readings while in a stable pressured state (in mmHg).
-#define VENOUS_STABILITY_PRESSURE_DIFF_TOLERANCE_MMHG       8.0F                                    ///< Difference in venous pressure readings while in a stable pressured state (in mmHg).
+#define ARTERIAL_STABILITY_PRESSURE_DIFF_TOLERANCE_MMHG     5.0F                                    ///< Difference in arterial pressure readings while in a stable pressured state (in mmHg).
+#define VENOUS_STABILITY_PRESSURE_DIFF_TOLERANCE_MMHG       5.0F                                    ///< Difference in venous pressure readings while in a stable pressured state (in mmHg).
 
 #define ARTERIAL_PRESSURE_SELF_TEST_LOW_LIMIT_MMHG          -200.0F                                 ///< Arterial pressure low limit after running blood pump.
 #define VENOUS_PRESSURE_SELF_TEST_HIGH_LIMIT_MMHG           80.0F                                   ///< Venous pressure high limit after running blood pump.
@@ -438,7 +438,7 @@
         case DRY_SELF_TESTS_OCCLUSION_SENSORS_STATE:
             if ( SELF_TEST_STATUS_PASSED == execPresOcclDryTest() )
             {
-                setValvePosition( VDI, VALVE_POSITION_C_CLOSE );
+                setValvePosition( VDI, VALVE_POSITION_B_OPEN );
                 setValvePosition( VDO, VALVE_POSITION_C_CLOSE );
                 setValvePosition( VBA, VALVE_POSITION_C_CLOSE );
                 setValvePosition( VBV, VALVE_POSITION_C_CLOSE );
@@ -873,7 +873,7 @@
     if (( STATE_CLOSED == frontDoor ) && (STATE_CLOSED == pumpTrack ) )
     {
         state = DRY_SELF_TESTS_USED_CARTRIDGE_CHECK_STATE;
-        setValvePosition( VDI, VALVE_POSITION_C_CLOSE );
+        setValvePosition( VDI, VALVE_POSITION_B_OPEN );
         setValvePosition( VDO, VALVE_POSITION_C_CLOSE );
         setValvePosition( VBA, VALVE_POSITION_C_CLOSE );
         setValvePosition( VBV, VALVE_POSITION_C_CLOSE );
@@ -952,7 +952,7 @@
             SET_ALARM_WITH_2_F32_DATA( ALARM_ID_PRE_TREATMENT_DRY_PRESSURE_TEST_FAILURE, previousNormalArterialPressure, previousNormalVenousPressure );
         }
 
-        setValvePosition( VDI, VALVE_POSITION_C_CLOSE );
+        setValvePosition( VDI, VALVE_POSITION_B_OPEN );
         setValvePosition( VDO, VALVE_POSITION_C_CLOSE );
         setValvePosition( VBA, VALVE_POSITION_B_OPEN );
         setValvePosition( VBV, VALVE_POSITION_C_CLOSE );