Index: firmware/App/Controllers/PresOccl.c
===================================================================
diff -u -r6cbbccc4ba658765d63a4028d16d2423d506a305 -r4fd6ae152395c8adb23de5085f4c5a0d1c680c78
--- firmware/App/Controllers/PresOccl.c	(.../PresOccl.c)	(revision 6cbbccc4ba658765d63a4028d16d2423d506a305)
+++ firmware/App/Controllers/PresOccl.c	(.../PresOccl.c)	(revision 4fd6ae152395c8adb23de5085f4c5a0d1c680c78)
@@ -59,14 +59,14 @@
 #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 ARTERIAL_PRESSURE_ND_MIN_MMHG       ( -250.0F )                                     ///< Minimum arterial pressure reading (in mmHg) when not dialyzing.
 
 #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_ND_MAX_MMHG         ( 300.0F )                                      ///< Maximum venous pressure reading (in mmHg) when not dialyzing.