Index: firmware/App/Modes/PreTreatmentRecirc.c
===================================================================
diff -u -r3d72b777cf1ceb673d118341c46e2d6d5b7b75f5 -r9bf209fc5813b7e806f51f408ece77174a336c9b
--- firmware/App/Modes/PreTreatmentRecirc.c	(.../PreTreatmentRecirc.c)	(revision 3d72b777cf1ceb673d118341c46e2d6d5b7b75f5)
+++ firmware/App/Modes/PreTreatmentRecirc.c	(.../PreTreatmentRecirc.c)	(revision 9bf209fc5813b7e806f51f408ece77174a336c9b)
@@ -21,6 +21,7 @@
 #include "BloodFlow.h"
 #include "DGInterface.h"
 #include "PreTreatmentRecirc.h"
+#include "Switches.h"
 #include "Valves.h"
 
 /**
@@ -30,8 +31,8 @@
 
 // ********** private definitions **********
 
-#define BLOOD_PUMP_RECIRC_FLOW_RATE                 100                 ///< Blood pump flow rate during recirculation in mL/min.
-#define DIALYSATE_PUMP_RECIRC_FLOW_RATE             100                 ///< Dialysate pump flow rate during recirculation in mL/min.
+#define BLOOD_PUMP_RECIRC_FLOW_RATE                         100                 ///< Blood pump flow rate during recirculation in mL/min.
+#define DIALYSATE_PUMP_RECIRC_FLOW_RATE                     100                 ///< Dialysate pump flow rate during recirculation in mL/min.
 
 // ********** private data **********
 
@@ -152,6 +153,8 @@
  *************************************************************************/
 static void setupPreTreatmentRecirculate( void )
 {
+    doorClosedRequired( TRUE, TRUE );
+
     setValvePosition( VDI, VALVE_POSITION_C_CLOSE );
     setValvePosition( VDO, VALVE_POSITION_C_CLOSE );
     setValvePosition( VBA, VALVE_POSITION_B_OPEN );