diff --git a/lib/obp60task/OBPSensorTask.cpp b/lib/obp60task/OBPSensorTask.cpp
index 311da1c..31c754c 100644
--- a/lib/obp60task/OBPSensorTask.cpp
+++ b/lib/obp60task/OBPSensorTask.cpp
@@ -498,14 +498,18 @@ void sensorTask(void *param){
         // Send supply voltage value all 1s
         if(millis() > starttime5 + 1000 && String(powsensor1) == "off"){
             starttime5 = millis();
-            float rawVoltage = 0;
-            #if defined(BOARD_OBP40S3) && defined(VOLTAGE_SENSOR)
+            float rawVoltage = 0;       // Default value
+            #ifdef BOARD_OBP40S3
+            sensors.batteryVoltage = 0; // If no sensor then zero voltage
+            #endif
+            #if defined(BOARD_OBP40S3)  && defined(VOLTAGE_SENSOR)
             rawVoltage = (float(analogRead(OBP_ANALOG0)) * 3.3 / 4096 + 0.53) * 2;   // Vin = 1/2 for OBP40
+            sensors.batteryVoltage = rawVoltage * vslope + voffset; // Calibration
             #endif
             #ifdef BOARD_OBP60S3
-            rawVoltage = (float(analogRead(OBP_ANALOG0)) * 3.3 / 4096 + 0.17) * 20;   // Vin = 1/20 for OBP60    
+            rawVoltage = (float(analogRead(OBP_ANALOG0)) * 3.3 / 4096 + 0.17) * 20;   // Vin = 1/20 for OBP60
+            sensors.batteryVoltage = rawVoltage * vslope + voffset; // Calibration  
             #endif
-            sensors.batteryVoltage = rawVoltage * vslope + voffset; // Calibration
             // Save new data in average array
             batV.reading(int(sensors.batteryVoltage * 100));
             // Calculate the average values for different time lines from integer values
diff --git a/lib/obp60task/PageVoltage.cpp b/lib/obp60task/PageVoltage.cpp
index 2aab416..cfd784e 100644
--- a/lib/obp60task/PageVoltage.cpp
+++ b/lib/obp60task/PageVoltage.cpp
@@ -187,7 +187,6 @@ public:
         }
         
         // Logging voltage value
-        if (raw == 0) return;
         LOG_DEBUG(GwLog::LOG,"Drawing at PageVoltage, Type:%s %s:=%f", batType, name1.c_str(), raw);
 
         // Draw page
diff --git a/lib/obp60task/debugging.txt b/lib/obp60task/debugging.txt
new file mode 100644
index 0000000..c0a22e0
--- /dev/null
+++ b/lib/obp60task/debugging.txt
@@ -0,0 +1,6 @@
+Debugging tool
+##############
+
+log.txt = text file with error messages from terminal console
+
+tools/decoder.py -p ESP32S3 -t ~/.platformio/packages/toolchain-xtensa-esp32s3/ -e .pio/build/obp60_s3/firmware.elf log.txt
\ No newline at end of file