Index: firmware/App/HDCommon.h
===================================================================
diff -u -r84e94699ac1a6236a6aba130e45149a9cf3ac5f8 -r7de1ffc01a8b979c8e9c1bb9020a768ab62f0320
--- firmware/App/HDCommon.h	(.../HDCommon.h)	(revision 84e94699ac1a6236a6aba130e45149a9cf3ac5f8)
+++ firmware/App/HDCommon.h	(.../HDCommon.h)	(revision 7de1ffc01a8b979c8e9c1bb9020a768ab62f0320)
@@ -77,6 +77,7 @@
 //    #define NO_PUMP_FLOW_LIMITS             1           // Allow any commanded flow rate for peristaltic pumps
 //    #define DISABLE_BUBBLE_ALARMS           1           // Disable bubble alarms
     #define DISABLE_UI_POST_TEST            1           // Disable the UI POST
+//    #define DISABLE_UI_COMM_TO_ALARM        1           // Disable UI comm timeouts
 
     // Skip Pre-Treatment and get to treatment as soon as possible
     #define SKIP_UI_INTERACTION             1           // Skip UI interaction.
Index: firmware/App/Services/SystemComm.c
===================================================================
diff -u -re45524455c005d4fa1734efcbaf7ed0499302670 -r7de1ffc01a8b979c8e9c1bb9020a768ab62f0320
--- firmware/App/Services/SystemComm.c	(.../SystemComm.c)	(revision e45524455c005d4fa1734efcbaf7ed0499302670)
+++ firmware/App/Services/SystemComm.c	(.../SystemComm.c)	(revision 7de1ffc01a8b979c8e9c1bb9020a768ab62f0320)
@@ -922,8 +922,10 @@
     if ( TRUE == uiDidCommunicate )
     {
         if ( TRUE == didTimeout( timeOfLastUICheckIn, UI_COMM_TIMEOUT_IN_MS ) )
-        {
-            activateAlarmNoData( ALARM_ID_UI_COMM_TIMEOUT );
+        {
+#ifndef DISABLE_UI_COMM_TO_ALARM
+            activateAlarmNoData( ALARM_ID_UI_COMM_TIMEOUT );
+#endif
         }
 
         if ( TRUE == didTimeout( timeOfLastDGCheckIn, DG_COMM_TIMEOUT_IN_MS ) )