Index: firmware/App/Controllers/Valves.c
===================================================================
diff -u -r1145e9197855b4f2cb79eb407d3899059b0ca410 -re5c6383e93940c2722d3bf73beb1d13a6d3eae6e
--- firmware/App/Controllers/Valves.c	(.../Valves.c)	(revision 1145e9197855b4f2cb79eb407d3899059b0ca410)
+++ firmware/App/Controllers/Valves.c	(.../Valves.c)	(revision e5c6383e93940c2722d3bf73beb1d13a6d3eae6e)
@@ -7,8 +7,8 @@
 *
 * @file    Valves.c
 *
-* @author  (last)      Bill Bracken
-* @date    (last)      19-Apr-2023
+* @author  (last)      Sean Nash
+* @date    (last)      03-May-2023
 *
 * @author  (original)  Dara Navaei
 * @date    (original)  07-Aug-2020
@@ -334,15 +334,17 @@
  * @details Inputs: valvesStatus
  * @details Outputs: valvesStatus
  * @param valve that is set to be homed
+ * @param force flag indicating whether homing should be forced even if already homed
+ * @param cartridge flag indicating whether a cartridge may be present requiring a more lax homing
  * @return TRUE if the homing command accepted otherwise, FALSE
  *************************************************************************/
-BOOL homeValve( VALVE_T valve )
+BOOL homeValve( VALVE_T valve, BOOL force, BOOL cartridge )
 {
     BOOL result = FALSE;
 
     if ( valve < NUM_OF_VALVES )
     {   // If haven't already homed the valves, home the valves
-        if ( valvesStatus[ valve ].hasValveBeenHomed != TRUE )
+        if ( ( valvesStatus[ valve ].hasValveBeenHomed != TRUE ) || ( VALVE_FORCE_HOME == force ) )
         {
             valvesStatus[ valve ].hasHomingBeenRequested = TRUE;
         }