Index: firmware/App/Monitors/WaterQualityMonitor.c
===================================================================
diff -u -r38c8d303358e16782f9d6a1828ee1cc55a4e9a24 -r3c6e233681b5a51632bdb6a06b20506fe50cd9f0
--- firmware/App/Monitors/WaterQualityMonitor.c	(.../WaterQualityMonitor.c)	(revision 38c8d303358e16782f9d6a1828ee1cc55a4e9a24)
+++ firmware/App/Monitors/WaterQualityMonitor.c	(.../WaterQualityMonitor.c)	(revision 3c6e233681b5a51632bdb6a06b20506fe50cd9f0)
@@ -62,6 +62,7 @@
 
 #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                 0                                                       ///< Verify Water timer ( in ms )
+#define PERMEATE_FLOW_FAULT_MIN_THRESHOLD                            200.0F                                                  ///< Permeate flow low tolerance limit
 
 // ********** private data **********
 
@@ -94,7 +95,7 @@
     //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 );
 }
-
+sd
 /*********************************************************************//**
  * @brief
  * The checkInletPressures function checks the inlet water pressure
@@ -158,6 +159,26 @@
 
 /*********************************************************************//**
  * @brief
+ * The checkPermeateLowFlow function checks the permeate low flow rate from P16
+ * against the set target flow rate and alarm if the flow is out of range.
+ * @details \b Inputs: permeateFlow
+ * @details \b Outputs: none
+ * @details \b Alarms: ALARM_ID_FP_PERMEATE_FLOW_OUT_LOW_RANGE when
+ * P16 flow goes beyond threshold limit from set target flow.
+ * @return none
+ *************************************************************************/
+void checkPermeateLowFlow( void )
+{
+    F32 permeateFlow = getFilteredFlow( P16_FLOW );
+    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);
+}
+
+/*********************************************************************//**
+ * @brief
  * The checkROPressures function checks the RO membrane pressure
  * against the pressure threshold and alarm if the pressure is out of range.
  * @details \b Inputs: pressureP13