Index: firmware/App/Modes/ModeTreatmentParams.c
===================================================================
diff -u -rea0047d0cb48b899475cf519e7e4997d96f5e538 -rd4e699aba5ad4e197ef97cba4bc6ebebf210d1b3
--- firmware/App/Modes/ModeTreatmentParams.c	(.../ModeTreatmentParams.c)	(revision ea0047d0cb48b899475cf519e7e4997d96f5e538)
+++ firmware/App/Modes/ModeTreatmentParams.c	(.../ModeTreatmentParams.c)	(revision d4e699aba5ad4e197ef97cba4bc6ebebf210d1b3)
@@ -504,13 +504,15 @@
     // Range check treatment parameters up to (but not including) UF volume
     for ( param = TREATMENT_PARAM_FIRST_UINT; param < TREATMENT_PARAM_UF_VOLUME; param++ )
     {
-        BOOL isParamInRange = isTreatmentParamInRange( param, stagedParams[ param ] );
-
-        reasons[ param ] = ( TRUE == isParamInRange ? REQUEST_REJECT_REASON_NONE : REQUEST_REJECT_REASON_PARAM_OUT_OF_RANGE );
-        if ( FALSE == isParamInRange )
+        if ( FALSE == isTreatmentParamInRange( param, stagedParams[ param ] ) )
         {
+            reasons[ param ] = REQUEST_REJECT_REASON_PARAM_OUT_OF_RANGE;
             result = FALSE;
         }
+        else
+        {
+            reasons[ param ] = REQUEST_REJECT_REASON_NONE;
+        }
     }
 
     return result;