Index: firmware/App/Modes/ModeDrain.c
===================================================================
diff -u -rf91baac9704a90ab0fea1dd05e11833ffc5a5a4e -raa2517012c7b26de27143c135a5f284ca6721fa1
--- firmware/App/Modes/ModeDrain.c	(.../ModeDrain.c)	(revision f91baac9704a90ab0fea1dd05e11833ffc5a5a4e)
+++ firmware/App/Modes/ModeDrain.c	(.../ModeDrain.c)	(revision aa2517012c7b26de27143c135a5f284ca6721fa1)
@@ -30,6 +30,7 @@
 #include "TemperatureSensors.h"
 #include "Timers.h"
 #include "Valves.h"
+#include "CPLD.h"
 
 /**
  *  @addtogroup DGDrainMode
@@ -127,6 +128,8 @@
     setHeaterTargetTemperature( DG_PRIMARY_HEATER, getPrimaryHeaterTargetTemperature() );
     startHeater( DG_PRIMARY_HEATER );
 
+    setCPLDCleanLEDColor( CPLD_CLEAN_LED_OFF );
+
     return drainState;
 }