diff -r 3b1834482899 -r 43362bb8f3c0 main/task_ds18b20.c
--- a/main/task_ds18b20.c	Fri Apr 10 11:51:40 2020 +0200
+++ b/main/task_ds18b20.c	Sat Jun 13 22:07:22 2020 +0200
@@ -23,6 +23,7 @@
 EventGroupHandle_t		xEventGroupDS18B20;		///< Events DS18B20 task
 DS18B20_State			*ds18b20_state;			///< Public state for other tasks
 
+extern uint32_t			err_temp;
 
 const int TASK_DS18B20_REQUEST_TEMPS = BIT0;			///< Request temperature measurements
 const int TASK_DS18B20_REQUEST_DONE = BIT1;			///< Request is completed
@@ -146,10 +147,12 @@
                             	ds18b20_state->sensor[i].error = DS18B20_ERR_READ; // All other errors
 			    ds18b20_state->valid = false;
 			    ds18b20_state->sensor[i].temperature = 0.0;
+			    err_temp++;
 			} else if (readings[i] == 85.0) { // Error value
 			    ds18b20_state->sensor[i].error = DS18B20_ERR_READ;
 			    ds18b20_state->valid = false;
                             ds18b20_state->sensor[i].temperature = 0.0;
+			    err_temp++;
 			} else {
 			    ds18b20_state->sensor[i].error = DS18B20_ERR_NONE;
                             ds18b20_state->sensor[i].temperature = readings[i];