Index: firmware/App/Controllers/TemperatureSensors.c
===================================================================
diff -u -r97e05773e710de7cf31c717399fe1e99a3cc7d0c -r1f1b53030a930c542646d9d88c7db0c3a945f150
--- firmware/App/Controllers/TemperatureSensors.c	(.../TemperatureSensors.c)	(revision 97e05773e710de7cf31c717399fe1e99a3cc7d0c)
+++ firmware/App/Controllers/TemperatureSensors.c	(.../TemperatureSensors.c)	(revision 1f1b53030a930c542646d9d88c7db0c3a945f150)
@@ -7,8 +7,8 @@
 *
 * @file    TemperatureSensors.c
 *
-* @author  (last)      Dara Navaei
-* @date    (last)      04-Aug-2022
+* @author  (last)      Michael Garthwaite
+* @date    (last)      30-Aug-2022
 *
 * @author  (original)  Dara Navaei
 * @date    (original)  08-Apr-2020
@@ -452,14 +452,33 @@
         // the electrical connection of THd sensor.
         if ( SW_CONFIG_ENABLE_VALUE == getSoftwareConfigStatus( SW_CONFIG_ENABLE_V3_SYSTEM ) )
         {
-            if ( ( TEMPSENSORS_HEAT_DISINFECT == sensorIndex ) || ( TEMPSENSORS_INTERNAL_THD_RTD == sensorIndex ) )
+            if ( TEMPSENSORS_HEAT_DISINFECT == sensorIndex )
             {
-                temperature = getF32OverrideValue( &tempSensors[ TEMPSENSORS_OUTLET_REDUNDANT ].temperatureValues );
+                if ( OVERRIDE_KEY == tempSensors[ TEMPSENSORS_HEAT_DISINFECT ].temperatureValues.override )
+                {
+                    temperature = getF32OverrideValue(  &tempSensors[ TEMPSENSORS_HEAT_DISINFECT ].temperatureValues  );
+                }
+                else
+                {
+                    temperature = getF32OverrideValue( &tempSensors[ TEMPSENSORS_OUTLET_REDUNDANT ].temperatureValues );
+                }
             }
 
+            if ( TEMPSENSORS_INTERNAL_THD_RTD == sensorIndex )
+            {
+                temperature = 40.0F;
+            }
+
             if ( TEMPSENSORS_OUTLET_REDUNDANT == sensorIndex )
             {
-                temperature = getF32OverrideValue( &tempSensors[ TEMPSENSORS_INLET_DIALYSATE ].temperatureValues );
+                if ( OVERRIDE_KEY == tempSensors[ TEMPSENSORS_OUTLET_REDUNDANT ].temperatureValues.override )
+                {
+                    temperature = getF32OverrideValue(  &tempSensors[ TEMPSENSORS_OUTLET_REDUNDANT ].temperatureValues  );
+                }
+                else
+                {
+                    temperature = getF32OverrideValue( &tempSensors[ TEMPSENSORS_INLET_DIALYSATE ].temperatureValues );
+                }
             }
         }
 #endif
@@ -908,6 +927,7 @@
         data.loadCellA2B2              = getTemperatureValue( TEMPSENSORS_LOAD_CELL_A2_B2 );
         data.internalTHDORTD           = getTemperatureValue( TEMPSENSORS_INTERNAL_TRO_RTD );
         data.internalTDIRTD            = getTemperatureValue( TEMPSENSORS_INTERNAL_TDI_RTD );
+        data.interalTHDRTD             = getTemperatureValue( TEMPSENSORS_INTERNAL_THD_RTD );
         data.internalCondSnsrTemp      = getTemperatureValue( TEMPSENSORS_INTERNAL_COND_TEMP_SENSOR );
 
         broadcastData( MSG_ID_DG_TEMPERATURE_DATA, COMM_BUFFER_OUT_CAN_DG_BROADCAST, (U08*)&data, sizeof( TEMPERATURE_SENSORS_DATA_T ) );