Index: firmware/App/Modes/ModePreTreat.c
===================================================================
diff -u -r04f72c18f15a3d7ab960fccea7b99cf93fd9a409 -r101bf85b0b425e919b01b4b7fabcbd15fd5bbde5
--- firmware/App/Modes/ModePreTreat.c	(.../ModePreTreat.c)	(revision 04f72c18f15a3d7ab960fccea7b99cf93fd9a409)
+++ firmware/App/Modes/ModePreTreat.c	(.../ModePreTreat.c)	(revision 101bf85b0b425e919b01b4b7fabcbd15fd5bbde5)
@@ -61,8 +61,13 @@
 {
    // temporary test code.  TODO - remove later
 #ifndef UF_TEST_ENABLED
+#ifndef RUN_PUMPS_OPEN_LOOP
     setBloodPumpTargetFlowRate( 0, MOTOR_DIR_FORWARD, PUMP_CONTROL_MODE_CLOSED_LOOP );
     setDialInPumpTargetFlowRate( 0, MOTOR_DIR_FORWARD, PUMP_CONTROL_MODE_CLOSED_LOOP );
+#else
+    setBloodPumpTargetFlowRate( 0, MOTOR_DIR_FORWARD, PUMP_CONTROL_MODE_OPEN_LOOP );
+    setDialInPumpTargetFlowRate( 0, MOTOR_DIR_FORWARD, PUMP_CONTROL_MODE_OPEN_LOOP );
+#endif
     setDialOutPumpTargetRate( 0, MOTOR_DIR_FORWARD, PUMP_CONTROL_MODE_CLOSED_LOOP );
 #else
 #endif