diff --git a/code/espurna/sensors/AnalogSensor.h b/code/espurna/sensors/AnalogSensor.h
index 37e4f683..126fb3f9 100644
--- a/code/espurna/sensors/AnalogSensor.h
+++ b/code/espurna/sensors/AnalogSensor.h
@@ -35,11 +35,6 @@ class AnalogSensor : public BaseSensor {
             return String("ANALOG @ GPIO0");
         }
 
-        // Descriptive name of the slot # index
-        String slot(unsigned char index) {
-            return description();
-        }
-
         // Type for slot # index
         magnitude_t type(unsigned char index) {
             _error = SENSOR_ERROR_OK;
diff --git a/code/espurna/sensors/BMX280Sensor.h b/code/espurna/sensors/BMX280Sensor.h
index 298c164f..32d59890 100644
--- a/code/espurna/sensors/BMX280Sensor.h
+++ b/code/espurna/sensors/BMX280Sensor.h
@@ -66,11 +66,6 @@ class BMX280Sensor : public BaseSensor {
             return String(buffer);
         }
 
-        // Descriptive name of the slot # index
-        String slot(unsigned char index) {
-            return description();
-        }
-
         // Type for slot # index
         magnitude_t type(unsigned char index) {
             if (index < _count) {
diff --git a/code/espurna/sensors/BaseSensor.h b/code/espurna/sensors/BaseSensor.h
index 0608d4aa..9433de0b 100644
--- a/code/espurna/sensors/BaseSensor.h
+++ b/code/espurna/sensors/BaseSensor.h
@@ -74,9 +74,6 @@ class BaseSensor {
         // Descriptive name of the sensor
         virtual String description() {}
 
-        // Descriptive name of the slot # index
-        virtual String slot(unsigned char index) {}
-
         // Type for slot # index
         virtual magnitude_t type(unsigned char index) {}
 
@@ -92,6 +89,9 @@ class BaseSensor {
         // Load the configuration manifest
         static void manifest(JsonArray& root) {};
 
+        // Descriptive name of the slot # index
+        String slot(unsigned char index) { return description(); }
+
         // Sensor ID
         unsigned char getID() { return _sensor_id; };
 
diff --git a/code/espurna/sensors/DHTSensor.h b/code/espurna/sensors/DHTSensor.h
index fadbb116..ad61fe7c 100644
--- a/code/espurna/sensors/DHTSensor.h
+++ b/code/espurna/sensors/DHTSensor.h
@@ -66,11 +66,6 @@ class DHTSensor : public BaseSensor {
             return String(buffer);
         }
 
-        // Descriptive name of the slot # index
-        String slot(unsigned char index) {
-            return description();
-        }
-
         // Type for slot # index
         magnitude_t type(unsigned char index) {
             _error = SENSOR_ERROR_OK;
diff --git a/code/espurna/sensors/DigitalSensor.h b/code/espurna/sensors/DigitalSensor.h
index 4a065338..0d9487c9 100644
--- a/code/espurna/sensors/DigitalSensor.h
+++ b/code/espurna/sensors/DigitalSensor.h
@@ -65,11 +65,6 @@ class DigitalSensor : public BaseSensor {
             return String(buffer);
         }
 
-        // Descriptive name of the slot # index
-        String slot(unsigned char index) {
-            return description();
-        }
-
         // Type for slot # index
         magnitude_t type(unsigned char index) {
             _error = SENSOR_ERROR_OK;
diff --git a/code/espurna/sensors/EmonAnalogSensor.h b/code/espurna/sensors/EmonAnalogSensor.h
index 19d2b259..e781648f 100644
--- a/code/espurna/sensors/EmonAnalogSensor.h
+++ b/code/espurna/sensors/EmonAnalogSensor.h
@@ -58,11 +58,6 @@ class EmonAnalogSensor : public EmonSensor {
             return String("EMON @ ANALOG @ GPIO0");
         }
 
-        // Descriptive name of the slot # index
-        String slot(unsigned char index) {
-            return description();
-        }
-
         // Type for slot # index
         magnitude_t type(unsigned char index) {
             _error = SENSOR_ERROR_OK;
diff --git a/code/espurna/sensors/EventSensor.h b/code/espurna/sensors/EventSensor.h
index 8bb7987f..8d9282ee 100644
--- a/code/espurna/sensors/EventSensor.h
+++ b/code/espurna/sensors/EventSensor.h
@@ -80,12 +80,6 @@ class EventSensor : public BaseSensor {
             return String(buffer);
         }
 
-        // Descriptive name of the slot # index
-        String slot(unsigned char index) {
-            (void) index;
-            return description();
-        }
-
         // Type for slot # index
         magnitude_t type(unsigned char index) {
             _error = SENSOR_ERROR_OK;
diff --git a/code/espurna/sensors/MHZ19Sensor.h b/code/espurna/sensors/MHZ19Sensor.h
index b767ead5..947b8f70 100644
--- a/code/espurna/sensors/MHZ19Sensor.h
+++ b/code/espurna/sensors/MHZ19Sensor.h
@@ -81,11 +81,6 @@ class MHZ19Sensor : public BaseSensor {
             return String(buffer);
         }
 
-        // Descriptive name of the slot # index
-        String slot(unsigned char index) {
-            return description();
-        }
-
         // Type for slot # index
         magnitude_t type(unsigned char index) {
             _error = SENSOR_ERROR_OK;
diff --git a/code/espurna/sensors/PMSX003Sensor.h b/code/espurna/sensors/PMSX003Sensor.h
index cc6d0d49..955de28e 100644
--- a/code/espurna/sensors/PMSX003Sensor.h
+++ b/code/espurna/sensors/PMSX003Sensor.h
@@ -103,20 +103,22 @@ class PMSX003Sensor : public BaseSensor {
         }
 
         void pre() {
-            if(millis() - _startTime > 30000) {
-                _error = SENSOR_ERROR_OK;
-            } else {
+
+            if (millis() - _startTime < 30000) {
                 _error = SENSOR_ERROR_WARM_UP;
+                return;
             }
-            _pms->requestRead();
-        }
 
-        void tick() {
+            _error = SENSOR_ERROR_OK;
+
             if(_pms->read(_data)) {
                 _pm1dot0 = _data.PM_AE_UG_1_0;
                 _pm2dot5 = _data.PM_AE_UG_2_5;
                 _pm10 = _data.PM_AE_UG_10_0;
             }
+
+            _pms->requestRead();
+            
         }
 
         // Current value for slot # index
diff --git a/code/espurna/sensors/SHT3XI2CSensor.h b/code/espurna/sensors/SHT3XI2CSensor.h
index 4d2efefa..ce93fb41 100644
--- a/code/espurna/sensors/SHT3XI2CSensor.h
+++ b/code/espurna/sensors/SHT3XI2CSensor.h
@@ -63,11 +63,6 @@ class SHT3XI2CSensor : public BaseSensor {
             return String(buffer);
         }
 
-        // Descriptive name of the slot # index
-        String slot(unsigned char index) {
-            return description();
-        }
-
         // Type for slot # index
         magnitude_t type(unsigned char index) {
             if (index < _count) {
diff --git a/code/espurna/sensors/SI7021Sensor.h b/code/espurna/sensors/SI7021Sensor.h
index 6cef7612..f95009a7 100644
--- a/code/espurna/sensors/SI7021Sensor.h
+++ b/code/espurna/sensors/SI7021Sensor.h
@@ -96,11 +96,6 @@ class SI7021Sensor : public BaseSensor {
             return String(buffer);
         }
 
-        // Descriptive name of the slot # index
-        String slot(unsigned char index) {
-            return description();
-        }
-
         // Type for slot # index
         magnitude_t type(unsigned char index) {
             if (index < _count) {