Index: firmware/App/Modes/ModeTreatment.c
===================================================================
diff -u -r4ddf1777acc4298a9ed034e56b66916256d22c18 -re5fc9a1e8898da7bc6d26f1e333ee44f6544d214
--- firmware/App/Modes/ModeTreatment.c	(.../ModeTreatment.c)	(revision 4ddf1777acc4298a9ed034e56b66916256d22c18)
+++ firmware/App/Modes/ModeTreatment.c	(.../ModeTreatment.c)	(revision e5fc9a1e8898da7bc6d26f1e333ee44f6544d214)
@@ -8,7 +8,7 @@
 * @file    ModeTreatment.c
 *
 * @author  (last)      Sean Nash
-* @date    (last)      07-Feb-2023
+* @date    (last)      15-Mar-2023
 *
 * @author  (original)  Dara Navaei
 * @date    (original)  05-Nov-2019
@@ -1077,7 +1077,7 @@
         pendingParamChangesTimer = getMSTimerCount();
 
         // Verify UF rate change would be valid (leave zero if not valid - UI will disable option)
-        if ( uFRate <= (F32)MAX_UF_RATE_ML_MIN )
+        if ( ( uFRate <= (F32)MAX_UF_RATE_ML_MIN ) && ( uFRate >= MIN_UF_RATE_ML_MIN ) )
         {
             result = TRUE;
             pendingUFVolumeChange = uFVolume;