Index: firmware/App/Controllers/AirTrap.c
===================================================================
diff -u -rc049177f4d18a4740a357941b48a833d7115b581 -r2f42a57a717be31493cd11d32ce6f3ca6cbc67d9
--- firmware/App/Controllers/AirTrap.c	(.../AirTrap.c)	(revision c049177f4d18a4740a357941b48a833d7115b581)
+++ firmware/App/Controllers/AirTrap.c	(.../AirTrap.c)	(revision 2f42a57a717be31493cd11d32ce6f3ca6cbc67d9)
@@ -455,13 +455,14 @@
         set3WayValveState( H20_VALV, VALVE_3WAY_COMMON_TO_CLOSED_STATE );
         set3WayValveState( H13_VALV, VALVE_3WAY_COMMON_TO_OPEN_STATE );   // open valve H13 to allow air to be pumped into air trap from atmosphere
         airTrapAirPumpLowerPowerLevel.data = getCalculatedAirPumpDutyCycle();
-        setAirPumpState( AIR_PUMP_STATE_ON, getAirPumpLowerPowerLevel() );
+        setAirPumpState( AIR_PUMP_STATE_OFF, AIR_PUMP_MOTOR_OFF );
+        //setAirPumpState( AIR_PUMP_STATE_ON, getAirPumpLowerPowerLevel() );
         // adjust the air trap lower delay start time after fill complete
         airTrapLowerDelayStartTime = u32DiffWithWrap( AIR_PUMP_ON_DELAY_ADJUST_AFTER_FILL, getMSTimerCount() );
         airTrapLowerStartTime = getMSTimerCount();
         signalInitiatePressureStabilization( USE_SHORT_STABILIZATION_PERIOD );
-        SEND_EVENT_WITH_2_U32_DATA( TD_EVENT_AIR_TRAP_LOWER, ON, 0 );
-        result = AIR_TRAP_LOWER_LEVEL_STATE;
+        SEND_EVENT_WITH_2_U32_DATA( TD_EVENT_AIR_TRAP_LOWER, OFF, 0 );
+        result = AIR_TRAP_CLOSED_STATE;
     }
 
     return result;