Index: firmware/App/Modes/ModePreTreat.c
===================================================================
diff -u -r809d8fc395e63afc52a13fc30087d2cf50ad4d9a -r1796d251d3ccd028b5806f6358d1e8e598d8c14d
--- firmware/App/Modes/ModePreTreat.c	(.../ModePreTreat.c)	(revision 809d8fc395e63afc52a13fc30087d2cf50ad4d9a)
+++ firmware/App/Modes/ModePreTreat.c	(.../ModePreTreat.c)	(revision 1796d251d3ccd028b5806f6358d1e8e598d8c14d)
@@ -496,6 +496,10 @@
             cmdSetDGDialysateTargetTemps( 39.0, 37.0 );
             transitionToConsumableSelfTest();
         }
+        else
+        {
+            cmdStopDG();
+        }
     }
 
     return state;