Index: AlarmDefs.h
===================================================================
diff -u -rd54da73862c187e9757a4811219141ddf5cb12f1 -rb969bda7021252f54bdbdac3f4f215a3ef4c5e01
--- AlarmDefs.h	(.../AlarmDefs.h)	(revision d54da73862c187e9757a4811219141ddf5cb12f1)
+++ AlarmDefs.h	(.../AlarmDefs.h)	(revision b969bda7021252f54bdbdac3f4f215a3ef4c5e01)
@@ -107,6 +107,11 @@
     ALARM_ID_DG_CRITICAL_DATA_ERROR = 76,                           ///< DG critical data integrity check failed
     ALARM_ID_RO_REJECTION_RATIO_OUT_OF_RANGE = 77,                  ///< RO rejection ratio out of range
     ALARM_ID_INLET_WATER_PRESSURE_FAULT = 78,                       ///< Inlet water pressure fault
+    ALARM_ID_HD_VALVE_HOMING_FAILED = 79,                           ///< HD valve homing failed
+    ALARM_ID_HD_VALVE_TRANSITION_TIMEOUT = 80,                      ///< HD valve transition time out
+    ALARM_ID_HD_VALVE_NOT_FUNCTIONAL = 81,                          ///< HD valve not functional
+    ALARM_ID_HD_VALVE_CURRENT_OUT_OF_RANGE = 82,                    ///< HD valve current out of range
+    ALARM_ID_HD_VALVE_POSITION_OUT_OF_TARGET = 83,                  ///< HD valve position out of target
     NUM_OF_ALARM_IDS                                                ///< Total number of alarms
 };
 typedef enum Alarm_List ALARM_ID_T;                                 ///< Type for alarm list enumeration
Index: MsgDefs.h
===================================================================
diff -u -r3e567efe427a051122d0b920f69880f8a55b80cb -rb969bda7021252f54bdbdac3f4f215a3ef4c5e01
--- MsgDefs.h	(.../MsgDefs.h)	(revision 3e567efe427a051122d0b920f69880f8a55b80cb)
+++ MsgDefs.h	(.../MsgDefs.h)	(revision b969bda7021252f54bdbdac3f4f215a3ef4c5e01)
@@ -148,6 +148,7 @@
     MSG_ID_HD_VALVES_HOME = 0x802E,                                     ///< Home an HD Valve
     MSG_ID_HD_VALVES_POSITION_OVERRIDE = 0x802F,                        ///< Set an HD valve to a position in counts
     MSG_ID_HD_VALVES_SET_BLOOD_TRAP_VALVE = 0x8030,                     ///< Set the HD blood trap valve status
+    MSG_ID_HD_VALVES_SET_PWM_OVERRIDE = 0x8031,                         ///< Set an HD valve PWM
 
     MSG_ID_FIRST_DG_TESTER_MESSAGE = 0xA000,                            ///< First DG test message ID
     MSG_ID_DG_TESTER_LOGIN_REQUEST = MSG_ID_FIRST_DG_TESTER_MESSAGE,    ///< DG tester log-in