Index: firmware/App/Modes/ModeFill.c
===================================================================
diff -u -re7db7688047e09c9164b2806ff543acbca2ba752 -ra57e236160aae30dcc78b953fed9e3f4a9175422
--- firmware/App/Modes/ModeFill.c	(.../ModeFill.c)	(revision e7db7688047e09c9164b2806ff543acbca2ba752)
+++ firmware/App/Modes/ModeFill.c	(.../ModeFill.c)	(revision a57e236160aae30dcc78b953fed9e3f4a9175422)
@@ -7,8 +7,8 @@
 *
 * @file    ModeFill.c
 *
-* @author  (last)      Dara Navaei
-* @date    (last)      11-May-2023
+* @author  (last)      Michael Garthwaite
+* @date    (last)      16-May-2023
 *
 * @author  (original)  Leonardo Baloa
 * @date    (original)  19-Nov-2019
@@ -217,7 +217,7 @@
 U32 transitionToFillMode( void )
 {
     initFillMode();
-
+    setCurrentSubState( NO_SUB_STATE );
     // Set initial actuator states
     setValveState( VDR, VALVE_STATE_DRAIN_C_TO_NO );
     setValveState( VPO, VALVE_STATE_NOFILL_C_TO_NO );