Index: firmware/App/Modes/ModeFill.c
===================================================================
diff -u -r2468e56fbecd26da713bc78535bd727f4b105fe1 -raf0faf02f1bd7bffcce083e9b52988a01c343d8e
--- firmware/App/Modes/ModeFill.c	(.../ModeFill.c)	(revision 2468e56fbecd26da713bc78535bd727f4b105fe1)
+++ firmware/App/Modes/ModeFill.c	(.../ModeFill.c)	(revision af0faf02f1bd7bffcce083e9b52988a01c343d8e)
@@ -141,7 +141,7 @@
  * @details Outputs: Re-initialized fill mode
  * @return none
  *************************************************************************/
-void transitionToFillMode( void )
+U32 transitionToFillMode( void )
 {
     DG_RESERVOIR_ID_T inactiveReservoir = getInactiveReservoir();
 
@@ -163,6 +163,8 @@
     setROPumpTargetFlowRate( TARGET_RO_FLOW_RATE_L, TARGET_RO_PRESSURE_PSI );
 #endif
     startHeater( DG_PRIMARY_HEATER );
+
+    return fillState;
 }
 
 /*********************************************************************//**