Index: firmware/App/Monitors/WaterQualityMonitor.c
===================================================================
diff -u -r47a7b0fce13cf38919932a8662c378f4f6a8b9f3 -r4bb331eccddd3c929266b9c01066347533726774
--- firmware/App/Monitors/WaterQualityMonitor.c	(.../WaterQualityMonitor.c)	(revision 47a7b0fce13cf38919932a8662c378f4f6a8b9f3)
+++ firmware/App/Monitors/WaterQualityMonitor.c	(.../WaterQualityMonitor.c)	(revision 4bb331eccddd3c929266b9c01066347533726774)
@@ -26,6 +26,7 @@
 #include "SystemCommDD.h"
 #include "TaskPriority.h"
 #include "Temperature.h"
+#include "Timers.h"
 #include "WaterQualityMonitor.h"
 
 /**
@@ -68,7 +69,7 @@
 #define PERMEATE_FLOW_OUT_RANGE_PERSISTENCE_TIMEOUT_MS               ( 5 * MS_PER_SECOND )                                   ///< Verify Water timer ( in ms )
 #define PERMEATE_FLOW_OUT_RANGE_PERSISTENCE_CLEAR_MS                 ( 5 * MS_PER_SECOND )                                   ///< Verify Water timer ( in ms )
 #define PERMEATE_FLOW_FAULT_MIN_THRESHOLD                            200.0F                                                  ///< Permeate flow low tolerance limit
-#define PERMEATE_FLOW_OUT_OF_RANGE_TIMEOUT_MS                        ( 12 * MS_PER_SECOND )                                  ///< Permeate flow low tolerance out of range timeout
+#define PERMEATE_FLOW_LOW_OUT_OF_RANGE_EXEMPT_MS                     ( 5 * MS_PER_SECOND )                                   ///< Permeate flow low alarm exempt for 10 seconds after starting from Off (5 seconds is considered in persistence)
 
 #define RO_PUMP_DUTY_CYCLE_WARNING_TIMEOUT_MS                        ( 1 * MS_PER_SECOND )                                   ///< Persistence period for duty cycle in warning range in milliseconds.
 #define RO_PUMP_DUTY_CYCLE_WARNING_CLEAR_MS                          ( 1 * MS_PER_SECOND )                                   ///< Persistence period for duty cycle warning range clear in milliseconds.
@@ -113,7 +114,7 @@
     //Flow Alarms
     initPersistentAlarm( ALARM_ID_FP_PERMEATE_FLOW_OUT_HIGH_RANGE, PERMEATE_FLOW_OUT_RANGE_PERSISTENCE_CLEAR_MS, PERMEATE_FLOW_OUT_RANGE_PERSISTENCE_TIMEOUT_MS );
     // fault , clearing timeout is not applicable
-    initPersistentAlarm( ALARM_ID_FP_PERMEATE_FLOW_OUT_LOW_RANGE, 0, PERMEATE_FLOW_OUT_OF_RANGE_TIMEOUT_MS );
+    initPersistentAlarm( ALARM_ID_FP_PERMEATE_FLOW_OUT_LOW_RANGE, PERMEATE_FLOW_OUT_RANGE_PERSISTENCE_CLEAR_MS, PERMEATE_FLOW_OUT_RANGE_PERSISTENCE_TIMEOUT_MS );
 
     // duty cycle warning alarm
     initPersistentAlarm( ALARM_ID_FP_POWER_BUDGET_OUT_OF_RANGE, RO_PUMP_DUTY_CYCLE_WARNING_CLEAR_MS, RO_PUMP_DUTY_CYCLE_WARNING_TIMEOUT_MS );
@@ -197,8 +198,12 @@
     BOOL isFlowOutOfRange = FALSE;
     F32 minimumAllowedPermeateFlow = (F32)getTargetROPumpFlowRateMLPM() - PERMEATE_FLOW_FAULT_MIN_THRESHOLD;
 
-    isFlowOutOfRange = ( ( permeateFlow < minimumAllowedPermeateFlow ) ? TRUE : FALSE );
-    checkPersistentAlarm( ALARM_ID_FP_PERMEATE_FLOW_OUT_LOW_RANGE, isFlowOutOfRange, permeateFlow, minimumAllowedPermeateFlow );
+    if ( TRUE == getROPumpLowFlowExemptFlag() && didTimeout( getROPumpLowFlowExemptTimer(), PERMEATE_FLOW_LOW_OUT_OF_RANGE_EXEMPT_MS ) )
+    {
+        isFlowOutOfRange = ( ( permeateFlow < minimumAllowedPermeateFlow ) ? TRUE : FALSE );
+        checkPersistentAlarm( ALARM_ID_FP_PERMEATE_FLOW_OUT_LOW_RANGE, isFlowOutOfRange, permeateFlow, minimumAllowedPermeateFlow );
+    }
+
 }
 
 /*********************************************************************//**