Index: firmware/App/Modes/ModeStandby.c
===================================================================
diff -u -r11e3b3ea59f507ffc4cd6b64e1821689295e207c -rb9d63042de23f8a85740eb6ee2689f871c76b5ef
--- firmware/App/Modes/ModeStandby.c	(.../ModeStandby.c)	(revision 11e3b3ea59f507ffc4cd6b64e1821689295e207c)
+++ firmware/App/Modes/ModeStandby.c	(.../ModeStandby.c)	(revision b9d63042de23f8a85740eb6ee2689f871c76b5ef)
@@ -207,6 +207,7 @@
 
     if ( TRUE == didTimeout( filterFlushStartTime, FILTER_FLUSH_TIME_MS ) )
     {
+        setValveState( VPI, VALVE_STATE_CLOSED );
         state = DG_STANDBY_MODE_STATE_FLUSH_FILTER_IDLE;
     }