Index: firmware/App/Controllers/Buttons.c
===================================================================
diff -u -r94895e32fe18e78b98fe3bb7786838cf00afdbfa -r2df21d2472a8d79d78af7e359518acf3614accc5
--- firmware/App/Controllers/Buttons.c	(.../Buttons.c)	(revision 94895e32fe18e78b98fe3bb7786838cf00afdbfa)
+++ firmware/App/Controllers/Buttons.c	(.../Buttons.c)	(revision 2df21d2472a8d79d78af7e359518acf3614accc5)
@@ -256,7 +256,9 @@
             {
                 offRequestAwaitingUserConfirmation = TRUE;
                 offRequestPendingTimer = 0;
+#ifndef SIMULATE_UI
                 sendOffButtonMsgToUI( OFF_BUTTON_CMD_PROMPT_USER_TO_CONFIRM );
+#endif
             }
             else
             {   // send rejection response to power off request
@@ -317,7 +319,7 @@
  *************************************************************************/
 static BOOL isCurrentOpModeOkToTurnOff( void )
 {
-    OP_MODE opMode = getCurrentOperationMode();
+    HD_OP_MODE_T opMode = getCurrentOperationMode();
     BOOL result = FALSE;
 
     if ( ( opMode == MODE_STAN ) || ( opMode == MODE_SERV ) || ( opMode == MODE_FAUL ) )
@@ -347,6 +349,9 @@
         {
             // if off request in a valid mode, send to UI for user confirmation
             userConfirmOffButton( OFF_BUTTON_RSP_USER_REQUESTS_POWER_OFF );
+#ifdef SIMULATE_UI
+            userConfirmOffButton( OFF_BUTTON_RSP_USER_CONFIRMS_POWER_OFF );
+#endif
         }
         prevOffButtonState = getOffButtonState();
     }