Index: MsgDefs.h
===================================================================
diff -u -re18e375cbca9764a87a7f82b22cd5b44f3cd1b7b -r7d55beaee49c376ff0cd9ed8c39c2ac22a68f608
--- MsgDefs.h	(.../MsgDefs.h)	(revision e18e375cbca9764a87a7f82b22cd5b44f3cd1b7b)
+++ MsgDefs.h	(.../MsgDefs.h)	(revision 7d55beaee49c376ff0cd9ed8c39c2ac22a68f608)
@@ -8,8 +8,8 @@
 *
 * @file    MsgDefs.h
 *
-* @author  (last)      suresh
-* @date    (last)      05-Aug-2026
+* @author  (last)      Santhosh Reddy
+* @date    (last)      07-Aug-2026
 *
 * @author  (original)  Sean Nash
 * @date    (original)  01-Aug-2024
@@ -367,6 +367,7 @@
     MSG_ID_TD_ALARM_PROPERTIES_RESPONSE = 0x8062,                                   ///< TD send alarm table properties response to Dialin
     MSG_ID_TD_RINSEBACK_VOLUME_OVERRIDE = 0x8065,                                   ///< TD rinseback volume override
     MSG_ID_TD_RINSEBACK_PUBLISH_INTERVAL_OVERRIDE_REQUEST = 0x8066,                 ///< TD rinseback publish interval broadcast override.
+    MSG_ID_TD_AIR_PUMP_RPM_OVERRIDE_REQUEST = 0x8067,                               ///< TD Override request for Air Pump RPM
 
     MSG_ID_FIRST_DD_TESTER_MESSAGE = 0xA000,                                            ///< First DD test message ID
     MSG_ID_DD_TESTER_LOGIN_REQUEST = MSG_ID_FIRST_DD_TESTER_MESSAGE,                    ///< DD tester log-in
@@ -649,6 +650,11 @@
     REQUEST_REJECT_REASON_NVM_JOB_QUEUE_BUSY = 62,                                  ///< NVM Job queue is busy sending other records.
     REQUEST_REJECT_REASON_NVM_INVALID_CRC = 63,                                     ///< NVM received CRC of the record is invalid
     REQUEST_REJECT_REASON_NVM_INVALID_OPERATION_MODE = 64,                          ///< NVM Operation Mode is not Service mode.
+    REQUEST_REJECT_REASON_FP_BUSY = 65,                                             ///< Treatment cannot initiate if FP is busy
+    REQUEST_REJECT_REASON_FP_SERVICE_IS_DUE = 66,                                   ///< FP service is due
+    REQUEST_REJECT_REASON_DD_TEMPERATURE_OUT_OF_RANGE = 67,                         ///< DD temperature too high
+    REQUEST_REJECT_REASON_DD_BUSY = 68,                                             ///< Treatment cannot initiate if DD is busy
+    REQUEST_REJECT_REASON_REQUEST_ALREADY_PENDING = 69,                             ///< Reject if a treatment start request is already pending.
     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