Index: firmware/App/Modes/ModeTreatment.c
===================================================================
diff -u -r2a03f6c87706478406a4962d70f5bae2ccb57728 -rf63f470a02e5584d107becc6d6ffcacaac88b19e
--- firmware/App/Modes/ModeTreatment.c	(.../ModeTreatment.c)	(revision 2a03f6c87706478406a4962d70f5bae2ccb57728)
+++ firmware/App/Modes/ModeTreatment.c	(.../ModeTreatment.c)	(revision f63f470a02e5584d107becc6d6ffcacaac88b19e)
@@ -217,6 +217,8 @@
     initRinseback();
     initTreatmentRecirc();
     initTreatmentEnd();
+    // Enable venous bubble detection in treatment mode
+    setVenousBubbleDetectionEnabled( TRUE );
 
     return currentTreatmentState;
 }