Index: firmware/App/Drivers/TemperatureSensors.c
===================================================================
diff -u -red39129abdca4ec343369d83494530b23621e052 -r322747d530c1b8205be257557e53dcfe9caad50a
--- firmware/App/Drivers/TemperatureSensors.c	(.../TemperatureSensors.c)	(revision ed39129abdca4ec343369d83494530b23621e052)
+++ firmware/App/Drivers/TemperatureSensors.c	(.../TemperatureSensors.c)	(revision 322747d530c1b8205be257557e53dcfe9caad50a)
@@ -34,15 +34,15 @@
 
 // ********** private definitions **********
 
-#define USE_PT_100                                              1                                               ///< flag to check PT100 use in calculations
-
 #define PRIMARY_HEATER_TEMP_SENSORS_GAIN                        8U                                              ///< Primary heater temperature sensors gain.
 #define PRIMARY_HEATER_TEMP_SENSORS_REF_RESISTANCE              20000                                           ///< Primary heater temperature sensors reference resistance.
 #define PRIMARY_HEATER_TEMP_SENSORS_0_DEGREE_RESISTANCE         1000U                                           ///< Primary heater temperature sensors zero degree resistance.
 
-#define PT100_TEMP_SENSORS_GAIN                                 8U                                             ///< PT100 temperature sensors gain.
+#ifdef USE_PT_100
+#define PT100_TEMP_SENSORS_GAIN                                 8U                                              ///< PT100 temperature sensors gain.
 #define PT100_TEMP_SENSORS_REF_RESISTANCE                       4700                                            ///< PT100 temperature sensors reference resistance.
 #define PT100_TEMP_SENSORS_0_DEGREE_RESISTANCE                  100U                                            ///< PT100 temperature sensors zero degree resistance.
+#endif
 
 #define TEMP_SENSORS_ADC_BITS                                   24U                                             ///< External temperature sensors ADC bits.
 #define MAX_NUM_OF_RAW_ADC_SAMPLES                              4U                                              ///< Number of ADC reads for moving average calculations.
@@ -198,7 +198,6 @@
     tempSensors[ D50_TEMP ].maxAllowedTemp        = TEMP_SENSORS_MAX_ALLOWED_DEGREE_C;
 #endif
 
-
     // Board temperature sensors conversion coefficient
     tempSensors[ BRD_TEMP ].conversionCoeff            = conversionCoeff;
     tempSensors[ BRD_TEMP ].maxAllowedTemp             = NON_FLUID_PATH_TEMP_SENSORS_MAX_ALLOWED_DEGREE_C;
@@ -607,7 +606,7 @@
             //calId = NUM_OF_CAL_DATA_TEMP_SENSORS;
             break;
     }
-
+    //TODO : Enable the code later when calibration data available.
 //    if ( calId != NUM_OF_CAL_DATA_TEMP_SENSORS )
 //    {
 //        *temperature = pow( tempTemperature, 4 ) * tempSensorCalRecord.tempSensors[ calId ].fourthOrderCoeff +