Index: firmware/App/Controllers/DGInterface.c
===================================================================
diff -u -r46c538cc5b7b40ddc8227e2ad1c77bab93716571 -r562333878837ad2ff1efa6e61e6cdbf332227fec
--- firmware/App/Controllers/DGInterface.c	(.../DGInterface.c)	(revision 46c538cc5b7b40ddc8227e2ad1c77bab93716571)
+++ firmware/App/Controllers/DGInterface.c	(.../DGInterface.c)	(revision 562333878837ad2ff1efa6e61e6cdbf332227fec)
@@ -419,13 +419,13 @@
 
 /*********************************************************************//**
  * @brief
- * The getDGDialysateFlowRateMlMin function gets the latest dialysate flow
+ * The getDGDialysateFlowRateLMin function gets the latest dialysate flow
  * rate reported by the DG.
  * @details Inputs: dgDialysateFlowRateMlMin
  * @details Outputs: none
- * @return Latest dialysate flow rate reported by DG.
+ * @return Latest dialysate flow rate (in L/min) reported by DG.
  *************************************************************************/
-F32 getDGDialysateFlowRateMlMin( void )
+F32 getDGDialysateFlowRateLMin( void )
 {
     F32 result = dgDialysateFlowRateMlMin;
 
@@ -437,12 +437,14 @@
  * The getDialysateFlowDataFreshFlag function returns a flag to indicate
  * if the dialysate flow rate data reported by the DG is fresh or stale data.
  * @details Inputs: dgDialysateFlowDataFreshFlag
- * @details Outputs: none
+ * @details Outputs: dgDialysateFlowDataFreshFlag
  * @return T/F flag to indicate fresh/stale status of dialysate flow data.
  *************************************************************************/
 BOOL getDialysateFlowDataFreshFlag( void )
 {
-   return dgDialysateFlowDataFreshFlag;
+    dgDialysateFlowDataFreshFlag = FALSE;
+
+    return dgDialysateFlowDataFreshFlag;
 }
 
 /*********************************************************************//**
@@ -629,25 +631,11 @@
 void setDialysateFlowData( F32 flowRate )
 {
     dgDialysateFlowRateMlMin = flowRate;
-    setDialysateFlowDataFreshFlag( TRUE ); // sets freshness status
+    dgDialysateFlowDataFreshFlag = TRUE;
 }
 
 /*********************************************************************//**
  * @brief
- * The setDialysateFlowDataFreshFlag function sets the dialysate flow
- * data freshness flag.
- * @details Inputs: none
- * @details Outputs: dgDialysateFlowDataFreshFlag
- * @param flowRateFreshFlag to set
- * @return none
- *************************************************************************/
-void setDialysateFlowDataFreshFlag( BOOL flowRateFreshFlag )
-{
-   dgDialysateFlowDataFreshFlag = flowRateFreshFlag;
-}
-
-/*********************************************************************//**
- * @brief
  * The setNewLoadCellReadings function sets the latest DG reservoir load cell
  * readings sent by the DG (in g or mL).  New readings are expected once
  * every 100 ms.
Index: firmware/App/Controllers/DGInterface.h
===================================================================
diff -u -r46c538cc5b7b40ddc8227e2ad1c77bab93716571 -r562333878837ad2ff1efa6e61e6cdbf332227fec
--- firmware/App/Controllers/DGInterface.h	(.../DGInterface.h)	(revision 46c538cc5b7b40ddc8227e2ad1c77bab93716571)
+++ firmware/App/Controllers/DGInterface.h	(.../DGInterface.h)	(revision 562333878837ad2ff1efa6e61e6cdbf332227fec)
@@ -121,7 +121,7 @@
 DG_RESERVOIR_ID_T getDGInactiveReservoir( void );
 BOOL hasDGCompletedReservoirSwitch( void );
 BOOL getDialysateFlowDataFreshFlag( void );
-F32 getDGDialysateFlowRateMlMin( void );
+F32 getDGDialysateFlowRateLMin( void );
 F32 getLoadCellWeight( LOAD_CELL_ID_T loadCellID );
 F32 getReservoirWeight( DG_RESERVOIR_ID_T resID );
 F32 getReservoirWeightLargeFilter( DG_RESERVOIR_ID_T resID );
@@ -133,7 +133,6 @@
 void setDGDialysateTemperatures( F32 primaryHtrTemp, F32 trimmerHtrTemp );
 void setDGReservoirsData( DG_RESERVOIR_ID_T resID, U32 fillVol, U32 drainVol );
 void setDialysateFlowData( F32 flowRate );
-void setDialysateFlowDataFreshFlag( BOOL flowRateFreshFlag );
 void setNewLoadCellReadings( F32 res1Primary, F32 res1Backup, F32 res2Primary, F32 res2Backup );
 void setDGDisinfectsStates( DG_DISINFECT_UI_STATES_T states );
 
Index: firmware/App/Controllers/DialInFlow.c
===================================================================
diff -u -r03eb5e8c4e87cd3c92304f70e661dec1d0055d09 -r562333878837ad2ff1efa6e61e6cdbf332227fec
--- firmware/App/Controllers/DialInFlow.c	(.../DialInFlow.c)	(revision 03eb5e8c4e87cd3c92304f70e661dec1d0055d09)
+++ firmware/App/Controllers/DialInFlow.c	(.../DialInFlow.c)	(revision 562333878837ad2ff1efa6e61e6cdbf332227fec)
@@ -240,7 +240,6 @@
 
     // Initialize persistent alarm for flow sensor signal strength too low
     initPersistentAlarm( ALARM_ID_HD_DIAL_IN_FLOW_OUT_OF_RANGE, 0, DIP_MAX_FLOW_RATE_OUT_OF_RANGE_PERSIST );
-    initPersistentAlarm( ALARM_ID_HD_DIALYSATE_FLOW_DATA_NOT_RECEIVE, 0, 0 );
 }
 
 /*********************************************************************//**
@@ -408,60 +407,16 @@
     U08 flowErrorCtr = getFPGADialysateFlowErrorCounter();
     U08 flowStatus = getFPGADialysateFlowMeterStatus();
     F32 dipFlow;
-#ifdef USE_FMD_FLOW_SENSOR
-    F32 dpFlow = getFPGADialysateFlow();
 
-    // Check if a new calibration is available
-    if ( TRUE == isNewCalibrationRecordAvailable() )
-    {
-        // Get the new calibration data and check its validity
-        processCalibrationData();
-    }
-    dipFlow = pow(dpFlow, 4) * dialysateFlowCalRecord.hdFlowSensors[ CAL_DATA_HD_DIALYSATE_FLOW_SENSOR ].fourthOrderCoeff +
-              pow(dpFlow, 3) * dialysateFlowCalRecord.hdFlowSensors[ CAL_DATA_HD_DIALYSATE_FLOW_SENSOR ].thirdOrderCoeff  +
-              pow(dpFlow, 2) * dialysateFlowCalRecord.hdFlowSensors[ CAL_DATA_HD_DIALYSATE_FLOW_SENSOR ].secondOrderCoeff +
-              dpFlow         * dialysateFlowCalRecord.hdFlowSensors[ CAL_DATA_HD_DIALYSATE_FLOW_SENSOR ].gain +
-                               dialysateFlowCalRecord.hdFlowSensors[ CAL_DATA_HD_DIALYSATE_FLOW_SENSOR ].offset;
-
-#ifndef DISABLE_PUMP_FLOW_CHECKS
-    if ( TRUE == isPersistentAlarmTriggered( ALARM_ID_HD_DP_FLOW_SENSOR_ERROR, ( flowErrorCtr != lastDialysateFlowCommErrorCount ) ) )
-    {
-        activateAlarmNoData( ALARM_ID_HD_DP_FLOW_SENSOR_ERROR );
-    }
-    if ( flowStatus != DFM_SENSOR_CONNECTED_STATUS )
-    {
-        SET_ALARM_WITH_1_U32_DATA( ALARM_ID_HD_DIALYSATE_FLOW_STATUS_SELF_TEST_FAILURE, (U32)flowStatus );
-    }
-    lastDialysateFlowCommErrorCount = flowErrorCtr;
-#endif
-
-#ifndef DISABLE_FPGA_COUNTER_CHECKS
-    // Check for stale flow reading
-    if ( TRUE == isPersistentAlarmTriggered( ALARM_ID_HD_DP_FLOW_READ_TIMEOUT_ERROR, ( fpReadCtr == lastDialysateFlowFastPacketReadCtr ) ) )
-    {
-        activateAlarmNoData( ALARM_ID_HD_DP_FLOW_READ_TIMEOUT_ERROR );
-    }
-    if ( TRUE == isPersistentAlarmTriggered( ALARM_ID_HD_DP_FLOW_SLOW_READ_TIMEOUT_ERROR, ( spReadCtr == lastDialysateFlowSlowPacketReadCtr ) ) )
-    {
-        activateAlarmNoData( ALARM_ID_HD_DP_FLOW_SLOW_READ_TIMEOUT_ERROR );
-    }
-#endif
-
-    // Record flow read counters for next time around
-    lastDialysateFlowFastPacketReadCtr = fpReadCtr;
-    lastDialysateFlowSlowPacketReadCtr = spReadCtr;
-
-    dialInFlowSignalStrength.data = getFPGADialysateFlowSignalStrength();
-#else
+    // Process new dialysate flow readings
     if ( TRUE == getDialysateFlowDataFreshFlag() )
     {
-        dialysateFlowDataFreshStatusCounter = 0;      // reset counter
-        dipFlow = getDGDialysateFlowRateMlMin() * (F32)ML_PER_LITER;
-        filterDialInFlowReadings( dipFlow );  // process the fresh dialysate flow data
-        setDialysateFlowDataFreshFlag( FALSE );
+        dipFlow = getDGDialysateFlowRateLMin() * (F32)ML_PER_LITER; // convert rate to mL/min
+        filterDialInFlowReadings( dipFlow );                        // process the fresh dialysate flow data
+        dialysateFlowDataFreshStatusCounter = 0;                    // reset counter
     }
     else
-    {   // dialysate flow data is a stale data
+    {   // Alarm if not receiving new dialysate flow readings in timely manner
         if ( ++dialysateFlowDataFreshStatusCounter > DIP_DIALYSATE_FLOW_DATA_ALARM_THRESHOLD )
         {
             filterDialInFlowReadings( 0.0 );
@@ -471,8 +426,8 @@
             }
         }
     }
-#endif
-
+
+    // Get latest pump speed and current from motor controller
     adcDialInPumpMCSpeedRPM.data = (F32)(SIGN_FROM_12_BIT_VALUE(dipRPM)) * DIP_SPEED_ADC_TO_RPM_FACTOR;
     adcDialInPumpMCCurrentmA.data = (F32)(SIGN_FROM_12_BIT_VALUE(dipmA)) * DIP_CURRENT_ADC_TO_MA_FACTOR;