Index: firmware/App/Controllers/AirPump.c
===================================================================
diff -u -r1e806f55dd70e314a8bbb70c5233443dc807998a -re7525696d18a5a7c7481fc6a920e95d227a6e72f
--- firmware/App/Controllers/AirPump.c	(.../AirPump.c)	(revision 1e806f55dd70e314a8bbb70c5233443dc807998a)
+++ firmware/App/Controllers/AirPump.c	(.../AirPump.c)	(revision e7525696d18a5a7c7481fc6a920e95d227a6e72f)
@@ -93,8 +93,10 @@
 BOOL setAirPumpState( AIR_PUMP_STATE_T state, F32 power )
 {
     BOOL result = FALSE;
+    //BOOL validInput = ( power == AIR_PUMP_DUTY_CYCLE_MIN) || ( power >= AIR_PUMP_DUTY_CYCLE_LIMIT && power <= AIR_PUMP_DUTY_CYCLE_MAX);
+    BOOL validInput = ( ( ( power >= AIR_PUMP_DUTY_CYCLE_MIN ) && ( power <= AIR_PUMP_DUTY_CYCLE_MAX ) ) && ( FALSE == ( ( power > AIR_PUMP_DUTY_CYCLE_MIN ) && ( power < AIR_PUMP_DUTY_CYCLE_LIMIT ) ) ) );
     // need to pass the result immediately to user when user enter invalid range
-    if ( ( power < AIR_PUMP_DUTY_CYCLE_MIN ) && ( power > AIR_PUMP_DUTY_CYCLE_MAX ) )
+    if ( FALSE == validInput )
     {
         result = FALSE;
     }