Index: firmware/App/Modes/TreatmentRecirc.c
===================================================================
diff -u -r3d72b777cf1ceb673d118341c46e2d6d5b7b75f5 -r9bf209fc5813b7e806f51f408ece77174a336c9b
--- firmware/App/Modes/TreatmentRecirc.c	(.../TreatmentRecirc.c)	(revision 3d72b777cf1ceb673d118341c46e2d6d5b7b75f5)
+++ firmware/App/Modes/TreatmentRecirc.c	(.../TreatmentRecirc.c)	(revision 9bf209fc5813b7e806f51f408ece77174a336c9b)
@@ -117,6 +117,8 @@
 {
     initTreatmentRecirc();
 
+    doorClosedRequired( TRUE, TRUE );
+
     // Set valves to safe state
     setValvePosition( VDI, VALVE_POSITION_C_CLOSE );
     setValvePosition( VDO, VALVE_POSITION_C_CLOSE );