Index: firmware/App/Modes/ModeFill.c
===================================================================
diff -u -rd0c73712d9a955b8189e2d45b22f36af71806c03 -raa2517012c7b26de27143c135a5f284ca6721fa1
--- firmware/App/Modes/ModeFill.c	(.../ModeFill.c)	(revision d0c73712d9a955b8189e2d45b22f36af71806c03)
+++ firmware/App/Modes/ModeFill.c	(.../ModeFill.c)	(revision aa2517012c7b26de27143c135a5f284ca6721fa1)
@@ -20,6 +20,7 @@
 #include "ConcentratePumps.h"
 #include "ConductivitySensors.h"
 #include "FPGA.h"
+#include "CPLD.h"
 #include "Heaters.h"
 #include "LoadCell.h"
 #include "ModeFill.h"
@@ -215,6 +216,8 @@
     setHeaterTargetTemperature( DG_PRIMARY_HEATER, getPrimaryHeaterTargetTemperature() );
     startHeater( DG_PRIMARY_HEATER );
 
+    setCPLDCleanLEDColor( CPLD_CLEAN_LED_OFF );
+
     return fillState;
 }