Index: firmware/App/Controllers/LoadCell.c
===================================================================
diff -u -r35179cc5895f6b7b9b1f8338754836898514a14e -r0c66a3534801f2ba380e95b732e05b7cfee21772
--- firmware/App/Controllers/LoadCell.c	(.../LoadCell.c)	(revision 35179cc5895f6b7b9b1f8338754836898514a14e)
+++ firmware/App/Controllers/LoadCell.c	(.../LoadCell.c)	(revision 0c66a3534801f2ba380e95b732e05b7cfee21772)
@@ -1,6 +1,6 @@
 /**************************************************************************
 *
-* Copyright (c) 2020-2022 Diality Inc. - All Rights Reserved.
+* Copyright (c) 2020-2023 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.
@@ -21,6 +21,7 @@
 #include "LoadCell.h"
 #include "MessageSupport.h"
 #include "NVDataMgmt.h"
+#include "OperationModes.h"
 #include "PersistentAlarm.h"
 #include "SystemCommMessages.h"
 #include "TaskPriority.h"
@@ -51,7 +52,8 @@
 #define EMPTY_RESERVOIR_WEIGHT_GRAMS                            1600.0F                               ///< Reservoirs empty weight in grams.
 #define MAX_ALLOWED_EXTRA_WEIGHT_BEFORE_FIRST_TARE_GRAMS        300.0F                                ///< Max allowed extra weight before first tare in grams.
 #define MAX_ALLOWED_EXTRA_WEIGHT_BEFORE_TARE_GRAMS              60.0F                                 ///< Max allowed extra weight before tare in grams.
-#define LOAD_CELL_PRIMARY_BACKUP_MAX_ALLOWED_DRIFT_GRAMS        60.0F                                 ///< Load cell primary and backup maximum allowed weight drift in grams.
+#define LOAD_CELL_PRIMARY_BACKUP_MAX_ALLOWED_DRIFT_GRAMS        80.0F                                 ///< Load cell primary and backup maximum allowed weight drift in grams.
+#define LOAD_CELL_PRIMARY_BACKUP_MAX_HEAT_DRIFT_GRAMS           200.0F                                ///< Load cell primary and backup maximum allowed weight drift in grams for heat disinfect mode.
 #define DATA_PUBLISH_COUNTER_START_COUNT                        0                                     ///< Data publish counter start count.
 #define LOAD_CELL_FPGA_ERROR_TIMEOUT_MS                         ( 2 * MS_PER_SECOND )                 ///< Load cell FPGA error timeout in milliseconds.
 #define LOAD_CELL_FPGA_SIGN_BIT                                 0x800000                              ///< Load cell FPGA sign bit.
@@ -512,8 +514,15 @@
     F32 drift = 0.0;
     F32 loadCellADrift = 0.0;
     F32 loadCellBDrift = 0.0;
+    F32 maxDrift = LOAD_CELL_PRIMARY_BACKUP_MAX_ALLOWED_DRIFT_GRAMS;
     BOOL isDriftOutOfRange = FALSE;
 
+    // Increase max drift limit if in heat disinfect mode
+    if ( DG_MODE_HEAT == getCurrentOperationMode() )
+    {
+        maxDrift = LOAD_CELL_PRIMARY_BACKUP_MAX_HEAT_DRIFT_GRAMS;
+    }
+
     // Test is valid after load cells are tared
     if ( isLoadCellTared( LOAD_CELL_RESERVOIR_1_PRIMARY ) && isLoadCellTared( LOAD_CELL_RESERVOIR_1_BACKUP ) )
     {
@@ -526,8 +535,7 @@
                                getLoadCellSmallFilteredWeight( LOAD_CELL_RESERVOIR_2_BACKUP ) );
     }
 
-    if ( ( loadCellADrift > LOAD_CELL_PRIMARY_BACKUP_MAX_ALLOWED_DRIFT_GRAMS ) ||
-            ( loadCellBDrift > LOAD_CELL_PRIMARY_BACKUP_MAX_ALLOWED_DRIFT_GRAMS ) )
+    if ( ( loadCellADrift > maxDrift ) || ( loadCellBDrift > maxDrift ) )
     {
         isDriftOutOfRange = TRUE;
     }