Index: firmware/App/Modes/ModeStandby.c
===================================================================
diff -u -r94af475018f529f022d205627ef673bff44bf94f -rded8100d1dc9e08ae171026f9e434587700c1bce
--- firmware/App/Modes/ModeStandby.c	(.../ModeStandby.c)	(revision 94af475018f529f022d205627ef673bff44bf94f)
+++ firmware/App/Modes/ModeStandby.c	(.../ModeStandby.c)	(revision ded8100d1dc9e08ae171026f9e434587700c1bce)
@@ -7,8 +7,8 @@
 *
 * @file    ModeStandby.c
 *
-* @author  (last)      Sean Nash
-* @date    (last)      04-May-2023
+* @author  (last)      Michael Garthwaite
+* @date    (last)      16-May-2023
 *
 * @author  (original)  Dara Navaei
 * @date    (original)  05-Nov-2019
@@ -148,6 +148,7 @@
     resetDialInPumpRotorCount();
     resetPreLoadStatus();
     setVenousBubbleDetectionEnabled( FALSE );
+    setCurrentSubState( NO_SUB_STATE );
 
     // Set user alarm recovery actions allowed in this mode
     setAlarmUserActionEnabled( ALARM_USER_ACTION_RESUME, FALSE );