diff --git a/arduino/HalMultiSensor/HalConfiguration.h b/arduino/HalMultiSensor/HalConfiguration.h
index 2e1438b9..72ef3529 100755
--- a/arduino/HalMultiSensor/HalConfiguration.h
+++ b/arduino/HalMultiSensor/HalConfiguration.h
@@ -1,14 +1,14 @@
 #ifndef HALCONFIGURATION_H
 #define HALCONFIGURATION_H
 
-#define ENABLE_DEBUG // comment out to disable debug
+//#define ENABLE_DEBUG // comment out to disable debug
 
 #define TIMER_MILLISECOND 60*1000 // poling in minutes
 #define INDICATOR_PIN     13      // diode
 
 
 // POWER CONSUMPTION SENSOR
-#define POWERCON_ENABLED // comment out to disable sensor
+//#define POWERCON_ENABLED // comment out to disable sensor
 #define POWERCON_SENSOR         SensorPhotocell()
 #define POWERCON_PROTOCOL       ProtocolOregon(11, 186)
 #define POWER_TIMER_MULTIPLIER  1
diff --git a/arduino/HalMultiSensor/HalMultiSensor.ino b/arduino/HalMultiSensor/HalMultiSensor.ino
index 8fa6aa65..374d3655 100755
--- a/arduino/HalMultiSensor/HalMultiSensor.ino
+++ b/arduino/HalMultiSensor/HalMultiSensor.ino
@@ -80,11 +80,10 @@ void timerInterruptFunc()
 void loop()
 {
     digitalWrite(INDICATOR_PIN, HIGH);
-    //noInterrupts();
 
     // Send power consumption
     #ifdef POWERCON_ENABLED
-    if(timerMultiplier == POWER_TIMER_MULTIPLIER)
+    if(timerMultiplier % POWER_TIMER_MULTIPLIER == 0)
     {
         static PowerData powerData;
         powerSensor->read(powerData); // not needed, only here for future use
@@ -95,7 +94,7 @@ void loop()
 
     // Handle temperature sensor
     #ifdef TEMPERATURE_ENABLED
-    if(timerMultiplier == TEMPERATURE_TIMER_MULTIPLIER)
+    if(timerMultiplier % TEMPERATURE_TIMER_MULTIPLIER == 0)
     {
         static TemperatureData tempData;
         tempSensor->read(tempData);
@@ -106,7 +105,7 @@ void loop()
 
     // Handle light sensor
     #ifdef LIGHT_ENABLED
-    if(timerMultiplier == LIGHT_TIMER_MULTIPLIER)
+    if(timerMultiplier % LIGHT_TIMER_MULTIPLIER == 0)
     {
         static LightData lightData;
         lightSensor->read(lightData);
@@ -115,7 +114,6 @@ void loop()
     }
     #endif
 
-    //interrupts();
     digitalWrite(INDICATOR_PIN, LOW);
 
     DEBUG("Sleeping");
diff --git a/arduino/HalMultiSensor/Interrupt.cpp b/arduino/HalMultiSensor/Interrupt.cpp
index 140bf1aa..3351215f 100755
--- a/arduino/HalMultiSensor/Interrupt.cpp
+++ b/arduino/HalMultiSensor/Interrupt.cpp
@@ -90,7 +90,7 @@ void Interrupt::handleWatchDogInterrupt()
     wdt_disable();
     if (wdtTime <= 0)
         return;
-    DEBUGF("WDT interrupt, time=%d, timeLeft=%d", wdtTime, wdtTimeLeft);
+    DEBUGF("WDT interrupt, time=%u, timeLeft=%ld", wdtTime, wdtTimeLeft);
 
     if (wdtTimeLeft <= 0)
     {