Index: firmware/App/Controllers/DGInterface.c
===================================================================
diff -u -r4d0c621f5994e1de8bf7d3337678f7835292ce73 -rcd5be724d5a3ba7457e761191d82f278654d7f5c
--- firmware/App/Controllers/DGInterface.c	(.../DGInterface.c)	(revision 4d0c621f5994e1de8bf7d3337678f7835292ce73)
+++ firmware/App/Controllers/DGInterface.c	(.../DGInterface.c)	(revision cd5be724d5a3ba7457e761191d82f278654d7f5c)
@@ -1,14 +1,14 @@
 /**************************************************************************
 *
-* Copyright (c) 2020-2023 Diality Inc. - All Rights Reserved.
+* Copyright (c) 2020-2024 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    DGInterface.c
 *
-* @author  (last)      Sean Nash
-* @date    (last)      14-Aug-2023
+* @author  (last)      Dara Navaei
+* @date    (last)      19-Sep-2023
 *
 * @author  (original)  Sean
 * @date    (original)  08-Apr-2020
@@ -913,7 +913,12 @@
 {
     dgCmdResp[ DG_CMD_START_FILL ].commandID = DG_CMD_NONE;
 
-    sendDGFillCommand( DG_CMD_START, fillToVolMl, targetFlowLPM );
+    if ( ( FALSE == isAlarmActive( ALARM_ID_DG_ACID_BOTTLE_LOW_VOLUME ) ) && ( FALSE == isAlarmActive( ALARM_ID_DG_BICARB_BOTTLE_LOW_VOLUME ) ) )
+    {
+        // The empty bottle alarms should not be active. If they are, the user shall insert the new bottle first and then hit Ok/Resume and
+        // then the fill can go. This is to make sure the next fill is done the full bottles
+        sendDGFillCommand( DG_CMD_START, fillToVolMl, targetFlowLPM );
+    }
 }
 
 /*********************************************************************//**
@@ -967,6 +972,21 @@
 
 /*********************************************************************//**
  * @brief
+ * The cmdDGParkConcentratePumps function sends a park concentrate pumps command
+ * message to the DG.
+ * @details Inputs: none
+ * @details Outputs: park concentrate pumps command sent to DG.
+ * @return none
+ *************************************************************************/
+void cmdDGParkConcentratePumps( void )
+{
+    dgCmdResp[ DG_CMD_PARK_CONCENTRATE_PUMPS ].commandID = DG_CMD_NONE;
+
+    sendDGParkConcentratePumpsCommand( );
+}
+
+/*********************************************************************//**
+ * @brief
  * The cmdStartDGFlush function sends a start flush command message to
  * the DG.
  * @details Inputs: none