Index: firmware/App/Services/AlarmMgmt.c
===================================================================
diff -u -r49dba1e95bb3763b4c150e7a80b84a65264a7ca8 -r4151ee46ace3cc66b6b7c0f276040889fe0d75e6
--- firmware/App/Services/AlarmMgmt.c	(.../AlarmMgmt.c)	(revision 49dba1e95bb3763b4c150e7a80b84a65264a7ca8)
+++ firmware/App/Services/AlarmMgmt.c	(.../AlarmMgmt.c)	(revision 4151ee46ace3cc66b6b7c0f276040889fe0d75e6)
@@ -147,7 +147,8 @@
     alarmStatus.noResume = FALSE;
     alarmStatus.noRinseback = FALSE;
     alarmStatus.noEndTreatment = FALSE;
-    alarmStatus.noNewTreatment = FALSE;
+    alarmStatus.noNewTreatment = FALSE;
+    alarmStatus.noDialRecirc = FALSE;
     alarmStatus.usrACKRequired = FALSE;
 }
 
@@ -547,6 +548,19 @@
 
 /*********************************************************************//**
  * @brief
+ * The isDialysateRecircBlocked function determines whether any currently
+ * active alarm is blocking dialysate re-circulation.
+ * @details Inputs: alarmStatus
+ * @details Outputs: none
+ * @return TRUE if any active alarm prevents dialysate re-circulation, FALSE if not
+ *************************************************************************/
+BOOL isDialysateRecircBlocked( void )
+{
+    return alarmStatus.noDialRecirc;
+}
+
+/*********************************************************************//**
+ * @brief
  * The getCurrentAlarmStatePriority function determines the current alarm
  * state priority (NONE, LOW, MEDIUM, or HIGH).
  * @details Inputs: alarmStatus
@@ -633,7 +647,8 @@
 {
     ALARM_PRIORITY_T highestPriority = ALARM_PRIORITY_NONE;
     ALARM_ID_T a;
-    BOOL faultsActive = FALSE;
+    BOOL faultsActive = FALSE;
+    BOOL dialysateRecircBlocked = FALSE;
 
     // Update FIFOs and sub-ranks per active alarms table - for alarm ranking purposes to determine "top" alarm
     for ( a = ALARM_ID_NO_ALARM; a < NUM_OF_ALARM_IDS; a++ )
@@ -671,14 +686,20 @@
             if ( TRUE == ALARM_TABLE[ a ].alarmIsFault )
             {
                 faultsActive = TRUE;
+            }
+            // Track whether any active alarms prevent dialysate re-circulation so far
+            if ( TRUE == ALARM_TABLE[ a ].alarmNoDialysateRecirc )
+            {
+                dialysateRecircBlocked = TRUE;
             }
         }
     }
 
     // Update alarm to display per highest priority FIFO
     alarmStatus.alarmsState = highestPriority;
     alarmStatus.alarmTop = alarmPriorityFIFO[ highestPriority ].alarmID;
-    alarmStatus.systemFault = faultsActive;
+    alarmStatus.systemFault = faultsActive;
+    alarmStatus.noDialRecirc = dialysateRecircBlocked;
 }
 
 /*********************************************************************//**