Index: MsgDefs.h
===================================================================
diff -u -r42dcea56a54acca2695c0489790a053765a55204 -rfc8f9df3586990296e4b436022c5314a9c196251
--- MsgDefs.h	(.../MsgDefs.h)	(revision 42dcea56a54acca2695c0489790a053765a55204)
+++ MsgDefs.h	(.../MsgDefs.h)	(revision fc8f9df3586990296e4b436022c5314a9c196251)
@@ -195,13 +195,13 @@
     MSG_ID_HD_FANS_DATA = 0xA3,                                         ///< HD fans data publish
     MSG_ID_HD_EVENT = 0xA4,                                             ///< HD general event
     MSG_ID_DG_EVENT = 0xA5,                                             ///< DG general event
-    MSG_ID____AVAILABLE_4 = 0xA6,                                       ///< This message is available for use
+    MSG_ID_HD_SET_SERVICE_TIME = 0xA6,                                  ///< HD set service time
     MSG_ID_DG_ALARM_INFO = 0xA7,                                        ///< DG alarm information data publish
     MSG_ID_HD_RESERVOIRS_DATA = 0xA8,                                   ///< HD reservoirs data publish
     MSG_ID_HD_REQUEST_DG_CONCENTRATE_MIXING_RATIOS = 0xA9,              ///< HD request DG concentrate ratios
     MSG_ID_DG_CONCENTRATE_MIXING_RATIOS_DATA = 0xAA,                    ///< DG concentrate mixing ratios data
     MSG_ID_DG_SCHEDULED_RUNS_DATA = 0xAB,                               ///< DG scheduled runs data
-    MSG_ID____AVAILABLE_10 = 0xAC,                                      ///< This message is available for use
+    MSG_ID_DG_SET_SERVICE_TIME = 0xAC,                                  ///< DG set service time
     MSG_ID_UI_INSTALLATION_CONFIRM_RESPONSE = 0xAD,                     ///< HD Confirm installation response
     MSG_ID_DG_FILL_MODE_DATA = 0xAE,                                    ///< DG broadcast of fill mode data such as used acid & bicarb volume
     MSG_ID_DG_GEN_IDLE_DATA = 0xAF,                                     ///< DG broadcast of Gen idle mode sub-state
@@ -365,6 +365,7 @@
     MSG_ID_HD_DIAL_IN_SET_PWM = 0x8086,                                 ///< HD set dialysate inlet pump to specific PWM duty cycle request
     MSG_ID_HD_DIAL_OUT_SET_PWM = 0x8087,                                ///< HD set dialysate outlet pump to specific PWM duty cycle request
     MSG_ID_HD_DIALYSATE_INLET_PUMP_ROTOR_COUNT_OVERRIDE = 0x8088,       ///< HD dialysate inlet pump rotor count override request
+    MSG_ID_HD_NV_RECORD_CRC_OVERRIDE = 0x8089,                          ///< HD non-volatile record CRC override
 
     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
@@ -456,8 +457,9 @@
     MSG_ID_DG_CPLD_PUBLISH_INTERVAL_OVERRIDE = 0xA058,                  ///< DG CPLD publish interval override
     MSG_ID_DG_DRAIN_PUMP_CURRENT_OVERRIDE = 0xA059,                     ///< DG drain pump current override request
     MSG_ID_DG_DRAIN_PUMP_DIRECTION_OVERRIDE = 0xA05A,                   ///< DG drain pump direction override request
-    MSG_ID_DG_RO_FEEDBACK_VOLTAGE_OVERRIDE = 0xA05B,                    ///< DG RO pump feedback voltage override
-    MSG_ID_DG_DIALYSATE_FILL_INTEGRATED_VOLUME_OVERRIDE = 0xA05C,       ///< DG Dialysate Fill integrated volume override
+    MSG_ID_DG_RO_FEEDBACK_VOLTAGE_OVERRIDE = 0xA05B,                    ///< DG RO feedback voltage override
+    MSG_ID_DG_DIALYSATE_FILL_INTEGRATED_VOLUME_OVERRIDE = 0xA05C,       ///< DG dialysate fill integrated volume override
+    MSG_ID_DG_NV_RECORD_CRC_OVERRIDE = 0xA05D,                          ///< DG non-volatile record CRC override
 
     MSG_ID_HD_DEBUG_EVENT = 0xFFF1,                                     ///< HD debug event text to be logged in event log
     MSG_ID_DG_DEBUG_EVENT = 0xFFF2,                                     ///< DG debug event text to be logged in event log
@@ -520,6 +522,7 @@
     REQUEST_REJECT_REASON_DG_DISINFECT_HAS_BEEN_EXPIRED = 46,           ///< DG disinfect has been expired
     REQUEST_REJECT_REASON_DG_SERVICE_IS_DUE = 47,                       ///< DG service is due
     REQUEST_REJECT_REASON_HD_SERVICE_IS_DUE = 48,                       ///< HD service is due
+    REQUEST_REJECT_REASON_DG_CHEM_FLUSH_NOT_COMPLETED = 49,             ///< DG chemical flush is not complete
     NUM_OF_REQUEST_REJECT_REASONS                                       ///< Number of settings change reject codes
 };
 typedef enum Request_Reject_Reasons REQUEST_REJECT_REASON_CODE_T;       ///< Type for settings change rejection reason codes enumeration