Index: firmware/App/Controllers/ConcentratePumps.c
===================================================================
diff -u -r56ba1b163b0cbf6953638065b2108f745b17ec8f -rb8351b8ec0177ef7a10dea88b3eb830bb513bc41
--- firmware/App/Controllers/ConcentratePumps.c	(.../ConcentratePumps.c)	(revision 56ba1b163b0cbf6953638065b2108f745b17ec8f)
+++ firmware/App/Controllers/ConcentratePumps.c	(.../ConcentratePumps.c)	(revision b8351b8ec0177ef7a10dea88b3eb830bb513bc41)
@@ -64,6 +64,8 @@
 #define DATA_PUBLISH_COUNTER_START_COUNT                    0                                                   ///< Data publish counter start count.
 #define CONENTREATE_PUMP_PARK_FAULT_TIMEOUT_MS              ( 1 * MS_PER_SECOND )                               ///< Concentrate pump park fault timeout in milliseconds.
 
+#define CONCENTRATE_PUMP_FAULT_PERSISTENCE_PERIOD           500                                                 ///< Concentrate pump fault persistence period in milliseconds.
+
 /*************************DVT Definitions********************************************/
 
 #define CONCENTRATE_PUMP_CONTROL_EIGHTH_STEP                0x07                                                ///< Concentrate pump control 1/8th step.
@@ -170,6 +172,8 @@
     initPersistentAlarm( ALARM_ID_DG_CONC_PUMP_HALL_SENSOR_OUT_OF_RANGE, CONCENTRATE_PUMP_HALL_SENSORS_OUT_OF_RANGE_TIME_MS, CONCENTRATE_PUMP_HALL_SENSORS_OUT_OF_RANGE_TIME_MS );
     initPersistentAlarm( ALARM_ID_DG_ACID_CONCENTRATE_PUMP_PARK_FAULT, CONENTREATE_PUMP_PARK_FAULT_TIMEOUT_MS, CONENTREATE_PUMP_PARK_FAULT_TIMEOUT_MS );
     initPersistentAlarm( ALARM_ID_DG_BICARB_CONCENTRATE_PUMP_PARK_FAULT, CONENTREATE_PUMP_PARK_FAULT_TIMEOUT_MS, CONENTREATE_PUMP_PARK_FAULT_TIMEOUT_MS );
+    initPersistentAlarm( ALARM_ID_DG_CONCENTRATE_PUMP_FAULT, CONCENTRATE_PUMP_FAULT_PERSISTENCE_PERIOD, CONCENTRATE_PUMP_FAULT_PERSISTENCE_PERIOD );
+
 }
 
 /*********************************************************************//**
@@ -181,6 +185,9 @@
  *************************************************************************/
 void execConcentratePumpMonitor( void )
 {
+    U08 fpgaConcPumpsFault  = getFPGAConcentratePumpsFault();
+    BOOL isConcPumpFault    = ( fpgaConcPumpsFault > 0 ? TRUE : FALSE );
+
     // Check if a new calibration is available
     if ( TRUE == isNewCalibrationRecordAvailable() )
     {
@@ -218,27 +225,23 @@
         checkPersistentAlarm( ALARM_ID_DG_BICARB_CONCENTRATE_PUMP_PARK_FAULT, isBicarbPumpParked, isBicarbPumpParked, CONENTREATE_PUMP_PARK_FAULT_TIMEOUT_MS );
     }
 
+    checkPersistentAlarm(ALARM_ID_DG_CONCENTRATE_PUMP_FAULT, isConcPumpFault , fpgaConcPumpsFault, CONCENTRATE_PUMP_FAULT_PERSISTENCE_PERIOD );
+
     if ( ++concentratePumpMonitorTimerCounter >= getU32OverrideValue( &concentratePumpDataPublishInterval ) )
     {
         CONCENTRATE_PUMP_DATA_T data;
 
-        U08 fpgaConcPumpsFault = getFPGAConcentratePumpsFault();
-        U08 cp1Direction       = concentratePumps[ CONCENTRATEPUMPS_CP1_ACID ].direction;
-        F32 cp1SetSpeed        = concentratePumps[ CONCENTRATEPUMPS_CP1_ACID ].currentPumpSpeed;
-        F32 cp1Speed           = getMeasuredPumpSpeed( CONCENTRATEPUMPS_CP1_ACID );
-        F32 cp1TgtSpeed        = concentratePumps[ CONCENTRATEPUMPS_CP1_ACID ].pumpTargetSpeed;
-        BOOL cp1Parked         = getConcPumpIsParked( CONCENTRATEPUMPS_CP1_ACID );
-        BOOL cp2ParkFault      = getConcPumpParkIsFaulted( CONCENTRATEPUMPS_CP1_ACID );
-        U08 cp2Direction       = concentratePumps[ CONCENTRATEPUMPS_CP2_BICARB ].direction;
-        F32 cp2SetSpeed        = concentratePumps[ CONCENTRATEPUMPS_CP2_BICARB ].currentPumpSpeed;
-        F32 cp2Speed           = getMeasuredPumpSpeed( CONCENTRATEPUMPS_CP2_BICARB );
-        F32 cp2TgtSpeed        = concentratePumps[ CONCENTRATEPUMPS_CP2_BICARB ].pumpTargetSpeed;
+        U08 cp1Direction    = concentratePumps[ CONCENTRATEPUMPS_CP1_ACID ].direction;
+        F32 cp1SetSpeed     = concentratePumps[ CONCENTRATEPUMPS_CP1_ACID ].currentPumpSpeed;
+        F32 cp1Speed        = getMeasuredPumpSpeed( CONCENTRATEPUMPS_CP1_ACID );
+        F32 cp1TgtSpeed     = concentratePumps[ CONCENTRATEPUMPS_CP1_ACID ].pumpTargetSpeed;
+        BOOL cp1Parked      = getConcPumpIsParked( CONCENTRATEPUMPS_CP1_ACID );
+        BOOL cp2ParkFault   = getConcPumpParkIsFaulted( CONCENTRATEPUMPS_CP1_ACID );
+        U08 cp2Direction    = concentratePumps[ CONCENTRATEPUMPS_CP2_BICARB ].direction;
+        F32 cp2SetSpeed     = concentratePumps[ CONCENTRATEPUMPS_CP2_BICARB ].currentPumpSpeed;
+        F32 cp2Speed        = getMeasuredPumpSpeed( CONCENTRATEPUMPS_CP2_BICARB );
+        F32 cp2TgtSpeed     = concentratePumps[ CONCENTRATEPUMPS_CP2_BICARB ].pumpTargetSpeed;
 
-        if ( fpgaConcPumpsFault != 0 )
-        {
-            SET_ALARM_WITH_1_U32_DATA( ALARM_ID_DG_CONCENTRATE_PUMP_FAULT, fpgaConcPumpsFault );
-        }
-
         // Use the above values to prepare the broadcast data
         data.cp1CurrentSetSpeed = ( CONCENTRATE_PUMP_REVERSE_DIR == cp1Direction ? cp1SetSpeed * -1.0 : cp1SetSpeed );
         data.cp1MeasuredSpeed   = ( CONCENTRATE_PUMP_REVERSE_DIR == cp1Direction ? cp1Speed    * -1.0 : cp1Speed );