Index: firmware/App/Controllers/TemperatureSensors.c
===================================================================
diff -u -r5738118966dd400f3d985329cf5a521dfe41c703 -rb7c391c953dad63a6704e292f7b82a00dac64a73
--- firmware/App/Controllers/TemperatureSensors.c	(.../TemperatureSensors.c)	(revision 5738118966dd400f3d985329cf5a521dfe41c703)
+++ firmware/App/Controllers/TemperatureSensors.c	(.../TemperatureSensors.c)	(revision b7c391c953dad63a6704e292f7b82a00dac64a73)
@@ -40,6 +40,7 @@
 #define PRIMARY_HEATER_EXT_TEMP_SENSORS_REF_RESISTANCE          20000                                           ///< Primary heater external temperature sensors reference resistance.
 #define PRIMARY_HEATER_EXT_TEMP_SENSORS_0_DEGREE_RESISTANCE     1000U                                           ///< Primary heater external temperature sensors zero degree resistance.
 #define PRIMARY_HEATER_EXT_TEMP_SENSORS_V3_REF_RESISTANCE       19600                                           ///< Primary heater external temperature sensors V3 reference resistance.
+#define V3_INTERNAL_THD_RTD                                     40.0F                                           ///< Internal THD RTD not supported on V3.  Specify nominal value
 
 #define COND_SENSORS_TEMP_SENSOR_GAIN                           8U                                              ///< Temperature sensor for conductivity gain.
 #define COND_SENSORS_TEMP_SENSOR_REF_RESISTANCE                 20000                                           ///< Temperature sensor for conductivity reference resistance.
@@ -480,7 +481,7 @@
 
             if ( TEMPSENSORS_INTERNAL_THD_RTD == sensorIndex )
             {
-                temperature = 40.0F;
+                temperature = V3_INTERNAL_THD_RTD;
             }
 
             if ( TEMPSENSORS_OUTLET_REDUNDANT == sensorIndex )