Index: AlarmDefs.h
===================================================================
diff -u -r775cb8800dfc21dafc9ca4f1350672357b27c37d -r8a40366d0904d5e0700485c02757708cf9f13e57
--- AlarmDefs.h	(.../AlarmDefs.h)	(revision 775cb8800dfc21dafc9ca4f1350672357b27c37d)
+++ AlarmDefs.h	(.../AlarmDefs.h)	(revision 8a40366d0904d5e0700485c02757708cf9f13e57)
@@ -338,6 +338,7 @@
     ALARM_ID_DG_SERIVCE_TIME_INTERVAL_HAS_ELAPSED = 300,                    ///< DG service time interval has elapsed
     ALARM_ID_DG_PRIMARY_HEATER_POWER_VOLTAGE_OUT_OF_RANGE = 301,            ///< DG primary heater power voltage out of range
     ALARM_ID_DG_CPU_RAM_ERROR = 302,                                        ///< DG processor RAM error
+    ALARM_ID_HD_SERVICE_TIME_INTERVAL_HAS_ELAPSED = 303,                    ///< HD service time interval has elapsed
     NUM_OF_ALARM_IDS                                                        ///< Total number of alarms
 };
 typedef enum Alarm_List ALARM_ID_T;                                 ///< Type for alarm list enumeration
@@ -770,7 +771,8 @@
     { ALARM_PRIORITY_MEDIUM, 899,  FALSE, FALSE, TRUE , TRUE , TRUE , TRUE , TRUE , TRUE , TRUE , TRUE , FALSE, FALSE, ALARM_ID_DG_DISINFECT_HAS_BEEN_EXPIRED,                    0,              ALARM_ID_NO_ALARM },
     { ALARM_PRIORITY_MEDIUM, 899,  FALSE, FALSE, TRUE , TRUE , TRUE , TRUE , TRUE , TRUE , TRUE , TRUE , FALSE, FALSE, ALARM_ID_DG_SERIVCE_TIME_INTERVAL_HAS_ELAPSED,             0,              ALARM_ID_NO_ALARM },
     { ALARM_PRIORITY_HIGH,     3,  FALSE, TRUE , TRUE , TRUE , TRUE , TRUE , FALSE, FALSE, FALSE, TRUE , FALSE, FALSE, ALARM_ID_DG_PRIMARY_HEATER_POWER_VOLTAGE_OUT_OF_RANGE,     0,              ALARM_ID_NO_ALARM },
-    { ALARM_PRIORITY_HIGH,   999,  TRUE , TRUE , TRUE , TRUE , TRUE , TRUE , TRUE , TRUE , FALSE, TRUE , FALSE, FALSE, ALARM_ID_DG_CPU_RAM_ERROR,                                 0,              ALARM_ID_NO_ALARM }
+    { ALARM_PRIORITY_HIGH,   999,  TRUE , TRUE , TRUE , TRUE , TRUE , TRUE , TRUE , TRUE , FALSE, TRUE , FALSE, FALSE, ALARM_ID_DG_CPU_RAM_ERROR,                                 0,              ALARM_ID_NO_ALARM },
+    { ALARM_PRIORITY_MEDIUM, 899,  FALSE, FALSE, TRUE , TRUE , TRUE , TRUE , TRUE , TRUE , TRUE , TRUE , FALSE, FALSE, ALARM_ID_HD_SERVICE_TIME_INTERVAL_HAS_ELAPSED,             0,              ALARM_ID_NO_ALARM },
 };  //   Priority            Rank  Fault DFault Stops  ClrIm  NoClr  NoRes  NoRin  NoEnd  NoBRcr NoDRcr ClrOnly TxLog  ID                                                        Escalate In     Escalate To
 
 /// Table of alarms and their rank.
@@ -1046,6 +1048,7 @@
     { 899, ALARM_ID_HD_DISINFECT_CHEM_INSTRUCTION1 },
     { 899, ALARM_ID_DG_DISINFECT_HAS_BEEN_EXPIRED },
     { 899, ALARM_ID_DG_SERIVCE_TIME_INTERVAL_HAS_ELAPSED },
+    { 899, ALARM_ID_HD_SERVICE_TIME_INTERVAL_HAS_ELAPSED },
     { 900, ALARM_ID_EMPTY_SALINE_BAG },
     { 901, ALARM_ID_DIALYSATE_TEMPERATURE_HIGH },
     { 902, ALARM_ID_DIALYSATE_TEMPERATURE_LOW },