Index: firmware/App/Controllers/Pressures.c
===================================================================
diff -u -r54f45c387430e440ab4607451fc84dea61f273f1 -r54b6f11358a56a5044fbe55ceccb67da903776dd
--- firmware/App/Controllers/Pressures.c	(.../Pressures.c)	(revision 54f45c387430e440ab4607451fc84dea61f273f1)
+++ firmware/App/Controllers/Pressures.c	(.../Pressures.c)	(revision 54b6f11358a56a5044fbe55ceccb67da903776dd)
@@ -18,7 +18,8 @@
 #include "AlarmMgmt.h"
 #include "FPGA.h"
 #include "InternalADC.h"
-#include "OperationModes.h"
+#include "OperationModes.h"
+#include "PersistentAlarm.h"
 #include "Pressures.h"
 #include "SystemCommMessages.h"
 #include "TaskGeneral.h"
@@ -71,8 +72,6 @@
 
 static S32 measuredPressureReadingsSum[ NUM_OF_PRESSURE_SENSORS ];                          ///< Raw pressure sensor sums for averaging.
 static U32 pressureFilterCounter = 0;                                                       ///< Used to schedule pressure sensor filtering.
-static U32 inletWaterLowPressureCounter = 0;                                                ///< Persistence counter for inlet water low pressure.
-static U32 inletWaterPressureInRangeCounter = 0;                                            ///< Persistence counter for inlet water in range pressure.
 
 static PRESSURE_SELF_TEST_STATE_T pressuresSelfTestState;                                   ///< Current pressure self test state.
 static SELF_TEST_STATUS_T pressuresSelfTestResult;                                          ///< Self test result of the Pressures module.
@@ -110,9 +109,12 @@
 
     pressuresState = PRESSURE_INIT_STATE;
     pressuresSelfTestState = PRESSURE_SELF_TEST_STATE_START;
-    inletWaterLowPressureCounter = 0;
-    inletWaterPressureInRangeCounter = 0;
-    pressuresDataPublicationTimerCounter = 0;
+    pressuresDataPublicationTimerCounter = 0;
+
+    initPersistentAlarm( PERSISTENT_ALARM_INLET_WATER_LOW_PRESSURE, ALARM_ID_INLET_WATER_LOW_PRESSURE,
+                         FALSE, INLET_WATER_PRESSURE_PERSISTENCE_COUNT, INLET_WATER_PRESSURE_PERSISTENCE_COUNT );
+    initPersistentAlarm( PERSISTENT_ALARM_INLET_WATER_PRESSURE_FAULT, ALARM_ID_INLET_WATER_PRESSURE_FAULT,
+                         FALSE, INLET_WATER_PRESSURE_PERSISTENCE_COUNT, INLET_WATER_PRESSURE_PERSISTENCE_COUNT );
 }
 
 /*********************************************************************//**
@@ -243,31 +245,31 @@
  * and triggers an alarm when pressure value is out of allowed range.
  * @details
  * Inputs : RO pump inlet pressure sensor value
- * Outputs : Triggers or clears pressure persistent alarm
+ * Outputs : Triggers low pressure persistent alarm
  * @return none
  *************************************************************************/
 void checkInletPressure( void )
 {
     F32 const pressure = getMeasuredDGPressure( PRESSURE_SENSOR_RO_PUMP_INLET );
-    if ( pressure < MIN_INLET_WATER_PRESSURE )
-    {
-        ++inletWaterLowPressureCounter;
-        inletWaterPressureInRangeCounter = 0;
-        if ( inletWaterLowPressureCounter > INLET_WATER_PRESSURE_PERSISTENCE_COUNT )
-        {
-            SET_ALARM_WITH_1_F32_DATA( ALARM_ID_INLET_WATER_LOW_PRESSURE, pressure );
-        }
-    }
-    else
-    {
-        ++inletWaterPressureInRangeCounter;
-        inletWaterLowPressureCounter = 0;
-        if ( inletWaterPressureInRangeCounter > INLET_WATER_PRESSURE_PERSISTENCE_COUNT )
-        {
-            clearAlarm( ALARM_ID_INLET_WATER_LOW_PRESSURE );
-        }
-    }
+    BOOL const isPressureTooLow = ( pressure < MIN_INLET_WATER_PRESSURE );
+    checkPersistentAlarm( PERSISTENT_ALARM_INLET_WATER_LOW_PRESSURE, isPressureTooLow, pressure );
 }
+
+/*********************************************************************//**
+ * @brief
+ * The checkInletPressureFault function checks inlet water pressure value
+ * and triggers a machine fault when pressure value is out of allowed range.
+ * @details
+ * Inputs : RO pump inlet pressure sensor value
+ * Outputs : Triggers pressure fault persistent alarm
+ * @return none
+ *************************************************************************/
+void checkInletPressureFault( void )
+{
+    F32 const pressure = getMeasuredDGPressure( PRESSURE_SENSOR_RO_PUMP_INLET );
+    BOOL const isPressureTooLow = ( pressure < MIN_INLET_WATER_PRESSURE );
+    checkPersistentAlarm( PERSISTENT_ALARM_INLET_WATER_PRESSURE_FAULT, isPressureTooLow, pressure );
+}
 
 /*********************************************************************//**
  * @brief