Index: HDDefs.h
===================================================================
diff -u -re6c5a4ccb65ae109e9b1c754f97bc117a0e7f269 -re508294f3a5857c9e9ab4d7c4b0dce27c23c3b36
--- HDDefs.h	(.../HDDefs.h)	(revision e6c5a4ccb65ae109e9b1c754f97bc117a0e7f269)
+++ HDDefs.h	(.../HDDefs.h)	(revision e508294f3a5857c9e9ab4d7c4b0dce27c23c3b36)
@@ -104,7 +104,18 @@
     STANDBY_DG_CHEM_DISINFECT_IN_PROGRESS_STATE,        ///< DG chemical disinfection operation is in progress
     NUM_OF_STANDBY_STATES                               ///< Number of standby states (sub-modes)
 };
-typedef enum HD_Standby_States HD_STANDBY_STATE_T;      ///< Type for HD standby states enumeration
+typedef enum HD_Standby_States HD_STANDBY_STATE_T;      ///< Type for HD standby states enumeration
+
+/// Sub-mode states while in standby mode disinfect
+enum DG_Disinfect_States
+{
+    DG_DISINFECT_FLUSH = 0,                             ///< DG disinfect flush
+    DG_DISINFECT_HEAT,                                  ///< DG disinfect heat
+    DG_DISINFECT_CHEM,                                  ///< DG disinfect chemical
+    DG_DISINFECT_NOT_RUNNING,                           ///< DG disinfect not running
+    NUM_OF_DG_DISINFECT_STATES                          ///< Number of DG disinfect states
+};
+typedef enum DG_Disinfect_States DG_DISINFECT_STATE_T;  ///< Type for DG disinfect states that are broadcast to UI
 
 /**@}*/