Index: firmware/App/Modes/ModeHeatDisinfectActiveCool.c
===================================================================
diff -u -re12f1b3d41ae133bc0975fcb126e431c2bedda59 -rbec5bb7634100c96341d19cf89e540a01aa86b1d
--- firmware/App/Modes/ModeHeatDisinfectActiveCool.c	(.../ModeHeatDisinfectActiveCool.c)	(revision e12f1b3d41ae133bc0975fcb126e431c2bedda59)
+++ firmware/App/Modes/ModeHeatDisinfectActiveCool.c	(.../ModeHeatDisinfectActiveCool.c)	(revision bec5bb7634100c96341d19cf89e540a01aa86b1d)
@@ -390,7 +390,7 @@
 
         // NOTE: the drain status should be checked once the reservoirs parameters are initialized. This is to make sure the
         // the timers for stable drain time are initialized prior to using them again
-        isDrainComplete = hasTargetDrainVolumeBeenReached( rsrvrID, drainSteadyTimeoutMS );
+        isDrainComplete = hasTargetDrainToZeroBeenReached( rsrvrID, drainSteadyTimeoutMS );
 
         if ( TRUE == isDrainComplete )
         {