Index: firmware/App/Modes/PreTreatmentRecirc.c
===================================================================
diff -u -r1d07de4e970f54f2ae1786ef546cf5567df9ba8e -r7f88a67aec528abf6bd8b8c29d9ec45b0e534c15
--- firmware/App/Modes/PreTreatmentRecirc.c	(.../PreTreatmentRecirc.c)	(revision 1d07de4e970f54f2ae1786ef546cf5567df9ba8e)
+++ firmware/App/Modes/PreTreatmentRecirc.c	(.../PreTreatmentRecirc.c)	(revision 7f88a67aec528abf6bd8b8c29d9ec45b0e534c15)
@@ -192,7 +192,6 @@
     setValveAirTrap( STATE_CLOSED );
     cmdSetDGActiveReservoir( &rsrvrCmd );
     cmdStartDGTrimmerHeater();
-    startAirTrapControl();
 
     setBloodPumpTargetFlowRate( BLOOD_PUMP_RECIRC_FLOW_RATE, MOTOR_DIR_FORWARD, PUMP_CONTROL_MODE_OPEN_LOOP );
     setDialInPumpTargetFlowRate( DIALYSATE_PUMP_RECIRC_FLOW_RATE, MOTOR_DIR_FORWARD, PUMP_CONTROL_MODE_OPEN_LOOP );