Index: firmware/App/Modes/ModeStandby.c
===================================================================
diff -u -rb777859b2667c350c6ca9fda60a668c9eb5fe02d -r934ce8fc097623360b8db3619194348fb4fad09f
--- firmware/App/Modes/ModeStandby.c	(.../ModeStandby.c)	(revision b777859b2667c350c6ca9fda60a668c9eb5fe02d)
+++ firmware/App/Modes/ModeStandby.c	(.../ModeStandby.c)	(revision 934ce8fc097623360b8db3619194348fb4fad09f)
@@ -7,8 +7,8 @@
 *
 * @file    ModeStandby.c
 *
-* @author  (last)      Raghu Kallala
-* @date    (last)      06-Apr-2026
+* @author  (last)      Arpita Srivastava
+* @date    (last)      18-May-2026
 *
 * @author  (original)  Sean Nash
 * @date    (original)  01-Aug-2024
@@ -104,7 +104,6 @@
     }
 
     doorClosedRequired( FALSE );             // door no longer required to be closed in standby mode
-//    syringeDetectionRequired( FALSE );
 
     // Request DD service record and usage information from DD
 //    sendDGServiceRequestToDG();
@@ -219,6 +218,7 @@
 {
     TD_STANDBY_STATE_T state     = STANDBY_WAIT_FOR_TREATMENT_STATE;
     DD_OP_MODE_T ddOperationMode = getDDOpMode();
+    F32 bicarbConvFactor         = BICARBONATE_CONVERSION_FACTOR;
 
 //    switch ( dgOperationMode )
 //    {
@@ -270,6 +270,13 @@
         respRecord.venPresLimitAsymmetricmmHg = getSysConfigTreatmentParameterU32DefaultValue( TREATMENT_PARAM_VEN_PRES_LIMIT_ASYMMETRIC );
         respRecord.tmpPresLimitWindowmmHg     = getSysConfigTreatmentParameterU32DefaultValue( TREATMENT_PARAM_TMP_PRES_LIMIT_WINDOW );
         sendPressureLimitsChangeResponse( &respRecord );
+        // start DD pre-gen  // TODO
+        cmdStartPreGenerateDialysate( (F32)getTreatmentParameterU32( TREATMENT_PARAM_DIALYSATE_FLOW ),
+                                      getTreatmentParameterF32( TREATMENT_PARAM_DIALYSATE_TEMPERATURE ),
+                                      getTreatmentParameterF32( TREATMENT_PARAM_ACID_CONCENTRATE_CONV_FACTOR ),
+                                      bicarbConvFactor,
+                                      getTreatmentParameterU32( TREATMENT_PARAM_SODIUM ),
+                                      getTreatmentParameterU32( TREATMENT_PARAM_BICARBONATE ) );
         // Start treatment workflow with pretreatment mode
         requestNewOperationMode( MODE_PRET );
         treatStartReqReceived = FALSE;