Index: firmware/App/Modes/FPModeStandby.c
===================================================================
diff -u -r6d85a90d2325163e936055a620a8b6aa1a6db65a -r44dbba513dffd7b1a997f873426407dbfc4163d1
--- firmware/App/Modes/FPModeStandby.c	(.../FPModeStandby.c)	(revision 6d85a90d2325163e936055a620a8b6aa1a6db65a)
+++ firmware/App/Modes/FPModeStandby.c	(.../FPModeStandby.c)	(revision 44dbba513dffd7b1a997f873426407dbfc4163d1)
@@ -1,17 +1,17 @@
 /**************************************************************************
 *
-* Copyright (c) 2024-2024 Diality Inc. - All Rights Reserved.
+* Copyright (c) 2025-2025 Diality Inc. - All Rights Reserved.
 *
 * THIS CODE MAY NOT BE COPIED OR REPRODUCED IN ANY FORM, IN PART OR IN
 * WHOLE, WITHOUT THE EXPLICIT PERMISSION OF THE COPYRIGHT OWNER.
 *
 * @file    FPModeStandby.c
 *
 * @author  (last)      Michael Garthwaite
-* @date    (last)      28-Feb-2025
+* @date    (last)      01-Aug-2025
 *
 * @author  (original)  Michael Garthwaite
-* @date    (original)  28-Feb-2025
+* @date    (original)  29-Jul-2025
 *
 ***************************************************************************/
 
@@ -20,6 +20,7 @@
 #include "FPOperationModes.h"
 #include "ModePreGenPermeateDefeatured.h"
 #include "ModePreGenPermeate.h"
+#include "PermeateTank.h"
 #include "PersistentAlarm.h"
 #include "ROPump.h"
 #include "SystemCommFP.h"
@@ -64,7 +65,7 @@
 U32  transitionToStandbyMode( void )
 {
     initStandbyMode();
-
+    resetPermeateTank();
     setValveState( M4_VALV,VALVE_STATE_CLOSED );
     setValveState( M7_VALV, VALVE_STATE_CLOSED );
     setValveState( P6_VALV,VALVE_STATE_CLOSED );