Index: firmware/App/Controllers/DGInterface.c
===================================================================
diff -u -r70fe39f8fad7b62acc0e0f9cc53881b49653dbbe -r1862696ac68afb6f4799aacad299af5b61fae854
--- firmware/App/Controllers/DGInterface.c	(.../DGInterface.c)	(revision 70fe39f8fad7b62acc0e0f9cc53881b49653dbbe)
+++ firmware/App/Controllers/DGInterface.c	(.../DGInterface.c)	(revision 1862696ac68afb6f4799aacad299af5b61fae854)
@@ -246,6 +246,11 @@
 
         // Trigger alarm if not receiving new DG op mode message in timely manner
         checkDGDataFreshness( ALARM_ID_HD_DG_NEW_OPERATION_MODE_MESSAGE_NOT_RECEIVE, &dgOpModeDataFreshFlag );
+        if ( TRUE == isAlarmActive( ALARM_ID_HD_DG_NEW_OPERATION_MODE_MESSAGE_NOT_RECEIVE ) )
+        {
+            // we don't want to keep thinking DG is in a useful mode - set it to fault mode until DG is able to report its' true mode status
+            setDGOpMode( DG_MODE_FAUL, 0 );
+        }
 
         // Check to see if DG has restarted
         checkDGRestart();