Index: firmware/App/Controllers/Heaters.c
===================================================================
diff -u -r0b93322875e9aa5719941574fde93d3042dc6796 -rf1cb4be5fb8201cec188589e683c8bf20d895ec0
--- firmware/App/Controllers/Heaters.c	(.../Heaters.c)	(revision 0b93322875e9aa5719941574fde93d3042dc6796)
+++ firmware/App/Controllers/Heaters.c	(.../Heaters.c)	(revision f1cb4be5fb8201cec188589e683c8bf20d895ec0)
@@ -641,7 +641,7 @@
             // If the last fill temperature > target temperature, it means the primary heater overshot the duty cycle
             // so with its efficiency is toned down for the next fill cycle
             // If the heater under-shoots the duty cycle, the efficiency increases the duty cycle for the next fill cycle
-            if ( lastFillTemperature - primaryTargetTemperature < NEARLY_ZERO )
+            if ( lastFillTemperature - primaryTargetTemperature < 0.0F )
             {
                 heaterEfficiency -= ( lastFillTemperature - primaryTargetTemperature ) * PRIMARY_HEATER_DUTY_CYCLE_PER_TEMPERATURE_C;
             }
@@ -790,6 +790,7 @@
     if ( ++dataPublicationTimerCounter >= getU32OverrideValue( &heatersDataPublishInterval ) )
     {
         HEATERS_DATA_T data;
+
         data.mainPrimayHeaterDC     = heatersStatus[ DG_PRIMARY_HEATER ].dutycycle * 100.0;
         // The duty cycle of the primary heater is divided into 2 parts and is applied to main
         // and small primary heaters. So they are always the same.