Index: firmware/App/Controllers/DialInFlow.c
===================================================================
diff -u -r5dc6f629ae40d8939fd3bd7c4e3dffb04fa137e7 -r30b1f6126c37f7b99cf699f63b4bcee9d1a1745f
--- firmware/App/Controllers/DialInFlow.c	(.../DialInFlow.c)	(revision 5dc6f629ae40d8939fd3bd7c4e3dffb04fa137e7)
+++ firmware/App/Controllers/DialInFlow.c	(.../DialInFlow.c)	(revision 30b1f6126c37f7b99cf699f63b4bcee9d1a1745f)
@@ -101,7 +101,7 @@
 #define FLOW_SIG_STRGTH_ALARM_PERSIST        ( 5 * MS_PER_SECOND )
 #define MIN_FLOW_SIG_STRENGTH                0.9             ///< Minimum flow sensor signal strength (90%).
 
-#define DFM_SENSOR_CONNECTED_STATUS          2               ///< Dialysate flow meter connected status.
+#define DFM_SENSOR_PARAM_CORRUPT_STATUS      0x7             ///< Dialysate flow meter NVM parameter corrupt status.
 
 /// Enumeration of dialysate inlet pump states.
 typedef enum DialInPump_States
@@ -1223,7 +1223,7 @@
     CALIBRATION_DATA_T cal;
 
     // Retrieve dialysate flow sensor calibration data
-    if ( ( TRUE == getCalibrationData( &cal ) ) && ( DFM_SENSOR_CONNECTED_STATUS == getFPGADialysateFlowMeterStatus() ) )
+    if ( ( TRUE == getCalibrationData( &cal ) ) && ( DFM_SENSOR_PARAM_CORRUPT_STATUS != getFPGADialysateFlowMeterStatus() ) )
     {
         dialInFlowCalGain = cal.dialysateFlowGain;
         dialInFlowCalOffset = cal.dialysateFlowOffset_mL_min;