Index: firmware/App/Modes/ModeStandby.c
===================================================================
diff -u -r83310420ae862de4724f8cfbbaeda9936c47801b -r6c933adfd50a0bc041dc29f4bfa15de5e9f4843a
--- firmware/App/Modes/ModeStandby.c	(.../ModeStandby.c)	(revision 83310420ae862de4724f8cfbbaeda9936c47801b)
+++ firmware/App/Modes/ModeStandby.c	(.../ModeStandby.c)	(revision 6c933adfd50a0bc041dc29f4bfa15de5e9f4843a)
@@ -8,7 +8,7 @@
 * @file    ModeStandby.c
 *
 * @author  (last)      Vijay Pamula
-* @date    (last)      07-Jul-2026
+* @date    (last)      27-Jul-2026
 *
 * @author  (original)  Sean Nash
 * @date    (original)  01-Aug-2024
@@ -275,7 +275,7 @@
         respRecord.tmpPresLimitWindowmmHg     = getSysConfigTreatmentParameterU32DefaultValue( TREATMENT_PARAM_TMP_PRES_LIMIT_WINDOW );
         sendPressureLimitsChangeResponse( &respRecord );
         // start DD pre-gen  // TODO
-        cmdStartPreGenerateDialysate( (F32)getTreatmentParameterU32( TREATMENT_PARAM_DIALYSATE_FLOW ),
+        cmdStartPreGenerateDialysate( 600, //(F32)getTreatmentParameterU32( TREATMENT_PARAM_DIALYSATE_FLOW ),
                                       getTreatmentParameterF32( TREATMENT_PARAM_DIALYSATE_TEMPERATURE ),
                                       getTreatmentParameterF32( TREATMENT_PARAM_ACID_CONCENTRATE_CONV_FACTOR ),
                                       bicarbConvFactor,
@@ -399,8 +399,9 @@
         }
         else if ( USER_COMMAND_CANCEL == cmd )
         {
-            //result = signalUserCancelTreatment();
-            if ( result != TRUE )
+            result = signalPreTreatmentBackoutToStandby();
+
+            if ( TRUE != result )
             {
                 rejReason = REQUEST_REJECT_REASON_NOT_ALLOWED_IN_CURRENT_MODE;
             }