Index: firmware/App/Controllers/ConcentratePumps.c
===================================================================
diff -u -ra6737c3bcc8286c153b778c2c395f465e76aaafb -rc21aee456ffbfed5aba9a5983c295acf0595afa3
--- firmware/App/Controllers/ConcentratePumps.c	(.../ConcentratePumps.c)	(revision a6737c3bcc8286c153b778c2c395f465e76aaafb)
+++ firmware/App/Controllers/ConcentratePumps.c	(.../ConcentratePumps.c)	(revision c21aee456ffbfed5aba9a5983c295acf0595afa3)
@@ -133,14 +133,14 @@
 static OVERRIDE_U32_T concentratePumpDataPublishInterval;                                                       ///< Concentrate pump data publish interval.
 
 static CONCENTRATE_PUMP_T concentratePumps[ NUM_OF_CONCENTRATE_PUMPS ];                                         ///< Array of concentrate pumps' data structure.
-static OVERRIDE_U32_T hasParkBeenRequested[ NUM_OF_CONCENTRATE_PUMPS ];                                         ///< Flag indicates a request to park the pump.
 static OVERRIDE_F32_T pumpTargetSpeed[ NUM_OF_CONCENTRATE_PUMPS ];                                              ///< Target concentrate pumps' speed (mL/min).
 static OVERRIDE_U32_T pumpTargetRevCnt[ NUM_OF_CONCENTRATE_PUMPS ];                                             ///< Target concentrate pump revolution count
 static OVERRIDE_U32_T pumpMesauredRevCnt[ NUM_OF_CONCENTRATE_PUMPS ];                                           ///< Current measured concentrate pump revolution count
 static OVERRIDE_F32_T measuredPumpSpeed[ NUM_OF_CONCENTRATE_PUMPS ];                                            ///< Measured concentrate pump speed (mL/min).
 static OVERRIDE_U32_T parked[ NUM_OF_CONCENTRATE_PUMPS ];                                                       ///< Concentrate pump is currently parked (T/F).
 static OVERRIDE_U32_T parkFaulted[ NUM_OF_CONCENTRATE_PUMPS ];                                                  ///< Concentrate pump park command has faulted (T/F).
 static BOOL isDosingCompleted[ NUM_OF_CONCENTRATE_PUMPS ];                                                      ///< Flag indicating dosing completed status (T/F).
+static BOOL hasParkBeenRequested[ NUM_OF_CONCENTRATE_PUMPS ];                                                   ///< Flag indicates a request to park the pump (T/F).
 
 //static DD_ACID_CONCENTRATES_RECORD_T acidConcentrateCalRecord;                                                  ///< Acid concentrate calibration record.
 //static DD_BICARB_CONCENTRATES_RECORD_T bicarbConcentrateCalRecord;                                              ///< Bicarb concentrate calibration record.
@@ -185,10 +185,6 @@
         measuredPumpSpeed[ pumpId ].ovData                          = 0.0F;
         measuredPumpSpeed[ pumpId ].override                        = OVERRIDE_RESET;
         concentratePumps[ pumpId ].hasTurnOnPumpsBeenRequested      = FALSE;
-        hasParkBeenRequested[ pumpId ].data                         = FALSE;
-        hasParkBeenRequested[ pumpId ].ovInitData                   = FALSE;
-        hasParkBeenRequested[ pumpId ].ovData                       = FALSE;
-        hasParkBeenRequested[ pumpId ].override                     = OVERRIDE_RESET;
         parked[ pumpId ].data                                       = FALSE;
         parked[ pumpId ].ovInitData                                 = FALSE;
         parked[ pumpId ].ovData                                     = FALSE;
@@ -214,6 +210,7 @@
         concentratePumps[ pumpId ].isConcPumpParkInProgress         = FALSE;
         stopConcentratePump( pumpId );
         isDosingCompleted[ pumpId ]                                 = FALSE;
+        hasParkBeenRequested[ pumpId ]                              = FALSE;
     }
 
     concentratePumpDataPublishInterval.data         = CONCENTRATE_PUMP_DATA_PUBLISH_INTERVAL;
@@ -516,7 +513,7 @@
     if ( pumpId < NUM_OF_CONCENTRATE_PUMPS )
     {
         concentratePumps[ pumpId ].hasTurnOnPumpsBeenRequested = FALSE;
-        hasParkBeenRequested[ pumpId ].data                    = park;
+        hasParkBeenRequested[ pumpId ]                         = park;
         stopConcentratePump( pumpId );
         concentratePumps[ pumpId ].execState                   = CONCENTRATE_PUMP_OFF_STATE;
     }
@@ -720,7 +717,7 @@
 
     if ( pumpId < NUM_OF_CONCENTRATE_PUMPS )
     {
-        result = (BOOL)getU32OverrideValue( &hasParkBeenRequested[ pumpId ] );
+        result = hasParkBeenRequested[ pumpId ];
     }
     else
     {
@@ -847,7 +844,7 @@
 {
     BOOL parkPump = getConcPumpParkRequest( pumpId );
 
-    hasParkBeenRequested[ pumpId ].data                     = FALSE;  // reset park request for next time
+    hasParkBeenRequested[ pumpId ]                          = FALSE;  // reset park request for next time
     concentratePumps[ pumpId ].hasTurnOnPumpsBeenRequested  = FALSE;  // Just to make sure pump is in Off state.
     concentratePumps[ pumpId ].currentPumpSpeed             = 0.0F;   // set target rate to zero
     pumpTargetSpeed[ pumpId ].data                          = 0.0F;
@@ -1470,46 +1467,31 @@
 BOOL testConcentratePumpParkRequestOverride( MESSAGE_T *message )
 {
     BOOL                          result = FALSE;
-    TEST_OVERRIDE_ARRAY_PAYLOAD_T override;
-    OVERRIDE_TYPE_T               ovType = getOverrideArrayPayloadFromMessage( message, &override );
 
-    // Verify tester has logged in with DD and override type is valid
-    if ( ( TRUE == isTestingActivated() ) && ( ovType != OVERRIDE_INVALID ) && ( ovType < NUM_OF_OVERRIDE_TYPES ) )
+    // Verify tester has logged in with DD and payload length is valid
+    if ( ( TRUE == isTestingActivated() ) && ( sizeof( U32 ) == message->hdr.payloadLen ) )
     {
-        U32 pumpId = override.index;
+        U32 pumpId;
 
-        // Verify concentrate pump index of override
+        memcpy( &pumpId, message->payload, sizeof(U32) );
+
         if ( pumpId < NUM_OF_CONCENTRATE_PUMPS )
         {
-            if ( OVERRIDE_OVERRIDE == ovType )
-            {
-                U32 value = override.state.u32;
+            hasParkBeenRequested[ pumpId ] = TRUE;
 
-                hasParkBeenRequested[ pumpId ].ovData   = value;
-                hasParkBeenRequested[ pumpId ].override = OVERRIDE_KEY;
-
-                if ( TRUE == hasParkBeenRequested[ pumpId ].ovData )
-                {
-                    // If pump is running, stop it w/ park option
-                    if ( TRUE == concentratePumps[ pumpId ].hasTurnOnPumpsBeenRequested )
-                    {
-                        requestConcentratePumpOff( (CONCENTRATE_PUMPS_T)pumpId, TRUE );
-                    }
-                    // If pump is already stopped, just send park command
-                    else
-                    {
-                        stopConcentratePump( (CONCENTRATE_PUMPS_T)pumpId );
-                    }
-                }
+            // If pump is running, stop it w/ park option
+            if ( TRUE == concentratePumps[ pumpId ].hasTurnOnPumpsBeenRequested )
+            {
+                requestConcentratePumpOff( (CONCENTRATE_PUMPS_T)pumpId, TRUE );
             }
+            // If pump is already stopped, just send park command
             else
             {
-                hasParkBeenRequested[ pumpId ].override = OVERRIDE_RESET;
-                hasParkBeenRequested[ pumpId ].ovData   = hasParkBeenRequested[ pumpId ].ovInitData;
+                stopConcentratePump( (CONCENTRATE_PUMPS_T)pumpId );
             }
-
-            result = TRUE;
         }
+
+        result = TRUE;
     }
 
     return result;