Index: firmware/App/Controllers/ConcentratePumps.c
===================================================================
diff -u -r37991ef019b8f2df45ce3308f0cb86f288c1a3aa -r869e74fc203d5783b2bdc938146db129997ae320
--- firmware/App/Controllers/ConcentratePumps.c	(.../ConcentratePumps.c)	(revision 37991ef019b8f2df45ce3308f0cb86f288c1a3aa)
+++ firmware/App/Controllers/ConcentratePumps.c	(.../ConcentratePumps.c)	(revision 869e74fc203d5783b2bdc938146db129997ae320)
@@ -716,6 +716,12 @@
         state = CONCENTRATE_PUMP_CONTROL_TARGET_SPEED_STATE;
     }
 
+    if ( FALSE == concentratePumps[ pumpId ].hasTurnOnPumpsBeenRequested )
+    {
+        state = CONCENTRATE_PUMP_OFF_STATE;
+        stopConcentratePump( pumpId );
+    }
+
     return state;
 }