Index: firmware/App/Modes/ConsumableSelfTest.c
===================================================================
diff -u -r8b73263b38f449dacc0795c67a7cf6240cb79026 -rbea9ae2daffd8f939d22037df07ccaa56653cb19
--- firmware/App/Modes/ConsumableSelfTest.c	(.../ConsumableSelfTest.c)	(revision 8b73263b38f449dacc0795c67a7cf6240cb79026)
+++ firmware/App/Modes/ConsumableSelfTest.c	(.../ConsumableSelfTest.c)	(revision bea9ae2daffd8f939d22037df07ccaa56653cb19)
@@ -1,14 +1,14 @@
 /**************************************************************************
 *
-* Copyright (c) 2021-2022 Diality Inc. - All Rights Reserved.
+* Copyright (c) 2021-2023 Diality Inc. - All Rights Reserved.
 *
 * THIS CODE MAY NOT BE COPIED OR REPRODUCED IN ANY FORM, IN PART OR IN
 * WHOLE, WITHOUT THE EXPLICIT PERMISSION OF THE COPYRIGHT OWNER.
 *
 * @file    ConsumableSelfTest.c
 *
-* @author  (last)      Dara Navaei
-* @date    (last)      05-Jun-2022
+* @author  (last)      Michael Garthwaite
+* @date    (last)      19-Jan-2023
 *
 * @author  (original)  Quang Nguyen
 * @date    (original)  06-Mar-2021
@@ -25,6 +25,7 @@
 #include "Reservoirs.h"
 #include "SelfTests.h"
 #include "SyringePump.h"
+#include "SystemCommMessages.h"
 #include "Valves.h"
 
 /**
@@ -91,6 +92,8 @@
  *************************************************************************/
 void execConsumableSelfTest( void )
 {
+    CONSUMABLE_SELF_TESTS_STATE_T priorSubState = currentConsumableSelfTestState;
+
     switch( currentConsumableSelfTestState )
     {
         case CONSUMABLE_SELF_TESTS_INSTALL_STATE:
@@ -157,6 +160,10 @@
             break;
     }
 
+    if ( priorSubState != currentConsumableSelfTestState )
+    {
+        SEND_EVENT_WITH_2_U32_DATA( HD_EVENT_SUB_STATE_CHANGE, priorSubState, currentConsumableSelfTestState );
+    }
     // Handle triggered alarm with stop property
     handleConsumableSelfTestStopRequest();
 }