Index: firmware/App/Modes/ModePreGenDialysate.c
===================================================================
diff -u -r67731d57db9a620418b3b848d8f75ff204902c36 -r830213bc6dcc1a684610caf78c79d55f2cb41e93
--- firmware/App/Modes/ModePreGenDialysate.c	(.../ModePreGenDialysate.c)	(revision 67731d57db9a620418b3b848d8f75ff204902c36)
+++ firmware/App/Modes/ModePreGenDialysate.c	(.../ModePreGenDialysate.c)	(revision 830213bc6dcc1a684610caf78c79d55f2cb41e93)
@@ -1,17 +1,17 @@
 /**************************************************************************
 *
-* Copyright (c) 2025-2025 Diality Inc. - All Rights Reserved.
+* Copyright (c) 2025-2026 Diality Inc. - All Rights Reserved.
 *
 * THIS CODE MAY NOT BE COPIED OR REPRODUCED IN ANY FORM, IN PART OR IN
 * WHOLE, WITHOUT THE EXPLICIT PERMISSION OF THE COPYRIGHT OWNER.
 *
 * @file    ModePreGenDialysate.c
 *
 * @author  (last)      Vinayakam Mani
-* @date    (last)      17-Apr-2025
+* @date    (last)      18-Sep-2025
 *
 * @author  (original)  Vinayakam Mani
-* @date    (original)  17-Apr-2025
+* @date    (original)  18-Apr-2025
 *
 ***************************************************************************/
 
@@ -64,7 +64,6 @@
 static DD_WET_SELF_TEST_STATE_T handleNegativeDeaerationPressureCheckState( void );
 static DD_WET_SELF_TEST_STATE_T handlePositiveDeaerationPressureCheckState( void );
 
-
 /*********************************************************************//**
  * @brief
  * The initPreGenDialysateMode function initializes the Pre-Generation
@@ -268,9 +267,6 @@
             break;
 
         case DD_WET_SELF_TEST_NEGATIVE_DEAERATION_PRES_CHECK:
-            //Make sure Water Inlet Valve is open
-            setValveState( DD_M4_VALV, VALVE_STATE_OPEN );
-
             // Start timer for hyd chamber negative pressure check state
             hydChamberPressureCheckStartTimeMS = getMSTimerCount();
             // Start D12/Degassing pump - closed loop control