Index: firmware/App/Modes/ModeStandby.c
===================================================================
diff -u -r66e748932d4d47b275d7763cf828602bce492b1b -r5d8a0c67beebb63c5f5455b309a16211c1de8cf0
--- firmware/App/Modes/ModeStandby.c	(.../ModeStandby.c)	(revision 66e748932d4d47b275d7763cf828602bce492b1b)
+++ firmware/App/Modes/ModeStandby.c	(.../ModeStandby.c)	(revision 5d8a0c67beebb63c5f5455b309a16211c1de8cf0)
@@ -670,7 +670,7 @@
             // Home pumps and valves
             for ( valve = VDI; valve < NUM_OF_VALVES; ++valve )
             {
-                homeValve( valve );
+                homeValve( valve, VALVE_NO_FORCE_HOME, VALVE_CARTRIDGE_MAY_BE_PRESENT );
             }
             homeBloodPump();
             homeDialInPump();