Index: firmware/App/Controllers/DGInterface.c
===================================================================
diff -u -reb8fa7f4b593303640b91c1d942a965d28deecaa -rb31eee6a3b7c95cf1392ad2cef7b7f9775fb7bd1
--- firmware/App/Controllers/DGInterface.c	(.../DGInterface.c)	(revision eb8fa7f4b593303640b91c1d942a965d28deecaa)
+++ firmware/App/Controllers/DGInterface.c	(.../DGInterface.c)	(revision b31eee6a3b7c95cf1392ad2cef7b7f9775fb7bd1)
@@ -7,8 +7,8 @@
 *
 * @file    DGInterface.c
 *
-* @author  (last)      Dong Nguyen
-* @date    (last)      27-Sep-2022
+* @author  (last)      Michael Garthwaite
+* @date    (last)      25-Oct-2022
 *
 * @author  (original)  Sean
 * @date    (original)  08-Apr-2020
@@ -119,6 +119,7 @@
 
 static void checkDGRestart( void );
 static void checkDGTrimmerHeaterStatus( void );
+static void checkDGDataFreshness( ALARM_ID_T alarmID, BOOL *dgFreshDataFlag );
 
 /*********************************************************************//**
  * @brief
@@ -201,7 +202,7 @@
  * @param flag to signal the fresh data processing
  * @return None
  *************************************************************************/
-void checkDGDataFreshness( ALARM_ID_T alarmID, BOOL *dgFreshDataFlag )
+static void checkDGDataFreshness( ALARM_ID_T alarmID, BOOL *dgFreshDataFlag )
 {
     if ( TRUE == *dgFreshDataFlag )
     {
@@ -1165,7 +1166,7 @@
     U32 trimmerState  = dgHeatersData.trimmerHeaterState;
     DG_OP_MODE_T dgOp = getDGOpMode();
 
-    if ( ( dgOp != DG_MODE_HEAT ) && ( dgOp != DG_MODE_CHEM ) )
+    if ( ( DG_MODE_GENE == dgOp ) || ( DG_MODE_FILL == dgOp ) || ( DG_MODE_DRAI == dgOp ) )
     {
         // In heat disinfect and chemical disinfect, the trimmer heater is controlled by the DG itself so no commands from HD should be sent
         // regarding the trimmer heater.