Index: firmware/App/Modes/ModeHeatDisinfect.c
===================================================================
diff -u -r971fc9950b919f8b54ff88a627f6cb1e8a0906ee -r7f38146626e566ac94d97d785af7290529992fdd
--- firmware/App/Modes/ModeHeatDisinfect.c	(.../ModeHeatDisinfect.c)	(revision 971fc9950b919f8b54ff88a627f6cb1e8a0906ee)
+++ firmware/App/Modes/ModeHeatDisinfect.c	(.../ModeHeatDisinfect.c)	(revision 7f38146626e566ac94d97d785af7290529992fdd)
@@ -1853,10 +1853,20 @@
     {
         if ( ++rsrvrFillStableTimeCounter >= RSRVRS_FULL_STABLE_TIME_COUNT )
         {
-            status                     = DG_RESERVOIR_REACHED_TARGET;
+            status = DG_RESERVOIR_REACHED_TARGET;
             rsrvrFillStableTimeCounter = 0;
             // Set the state timer in case it needs to be used for another timeout check
-            stateTimer                 = getMSTimerCount();
+            if ( ( DG_HEAT_DISINFECT_STATE_FLUSH_R2_AND_DRAIN_R1 == heatDisinfectState) && ( DG_RESERVOIR_2 == reservoir ) )
+            {
+                if ( rsrvr1Status == DG_RESERVOIR_REACHED_TARGET )
+                {
+                    stateTimer = getMSTimerCount();
+                }
+            }
+            else
+            {
+                stateTimer = getMSTimerCount();
+            }
         }
     }
     else if ( TRUE == didTimeout( stateTimer, timeout ) )
@@ -1899,8 +1909,18 @@
 
     if ( TRUE == isDrainComplete )
     {
-        // Set the state timer in case it needs to be used for another timeout check
-        stateTimer                   = getMSTimerCount();
+        if ( ( DG_HEAT_DISINFECT_STATE_FLUSH_R2_AND_DRAIN_R1 == heatDisinfectState) && ( DG_RESERVOIR_1 == r) )
+        {
+            if ( ( DG_RESERVOIR_REACHED_TARGET == rsrvr2Status) && ( 0 == getDrainPumpTargetRPM() ) )
+            {
+                stateTimer = getMSTimerCount();
+            }
+        }
+        else
+        {
+            stateTimer = getMSTimerCount();
+        }
+
         haveDrainParamsBeenInit[ r ] = FALSE;
         status                       = DG_RESERVOIR_REACHED_TARGET;
     }