Index: firmware/App/Controllers/BloodFlow.c
===================================================================
diff -u -rf46193ce4cce48dee728dd93235e0452e8fe1963 -r30b1f6126c37f7b99cf699f63b4bcee9d1a1745f
--- firmware/App/Controllers/BloodFlow.c	(.../BloodFlow.c)	(revision f46193ce4cce48dee728dd93235e0452e8fe1963)
+++ firmware/App/Controllers/BloodFlow.c	(.../BloodFlow.c)	(revision 30b1f6126c37f7b99cf699f63b4bcee9d1a1745f)
@@ -104,7 +104,7 @@
 #define FLOW_SIG_STRGTH_ALARM_PERSIST       ( 5 * MS_PER_SECOND )
 #define MIN_FLOW_SIG_STRENGTH               0.9             ///< Minimum flow sensor signal strength (90%).
 
-#define BFM_SENSOR_CONNECTED_STATUS         2               ///< Blood flow meter connected status.
+#define BFM_SENSOR_PARAM_CORRUPT_STATUS     0x7             ///< Blood flow meter NVM parameter status.
 
 /// Enumeration of blood pump controller states.
 typedef enum BloodPump_States
@@ -1266,7 +1266,7 @@
     CALIBRATION_DATA_T cal;
 
     // Retrieve blood flow sensor calibration data and check for sensor connected status
-    if ( ( TRUE == getCalibrationData( &cal ) ) && ( BFM_SENSOR_CONNECTED_STATUS == getFPGABloodFlowMeterStatus() ) )
+    if ( ( TRUE == getCalibrationData( &cal ) ) && ( BFM_SENSOR_PARAM_CORRUPT_STATUS != getFPGABloodFlowMeterStatus() ) )
     {
         bloodFlowCalGain = cal.bloodFlowGain;
         bloodFlowCalOffset = cal.bloodFlowOffset_mL_min;