Index: firmware/App/Controllers/LoadCell.c
===================================================================
diff -u -r6499ea25921fcf67826fa0c35bb03caf411ba542 -r6e2d32cb9856abbcfeca679b6a49b51e581a1604
--- firmware/App/Controllers/LoadCell.c	(.../LoadCell.c)	(revision 6499ea25921fcf67826fa0c35bb03caf411ba542)
+++ firmware/App/Controllers/LoadCell.c	(.../LoadCell.c)	(revision 6e2d32cb9856abbcfeca679b6a49b51e581a1604)
@@ -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;
     }
@@ -538,8 +546,7 @@
 
     // Pick the biggest drift to log w/ alarm if triggered
     drift = ( loadCellADrift > loadCellBDrift ? loadCellADrift : loadCellBDrift );
-    checkPersistentAlarm( ALARM_ID_DG_LOAD_CELL_PRIMARY_BACKUP_DRIFT_OUT_OF_RANGE, isDriftOutOfRange, drift,
-                          LOAD_CELL_PRIMARY_BACKUP_MAX_ALLOWED_DRIFT_GRAMS );
+    checkPersistentAlarm( ALARM_ID_DG_LOAD_CELL_PRIMARY_BACKUP_DRIFT_OUT_OF_RANGE, isDriftOutOfRange, drift, maxDrift );
 }