Index: firmware/App/Modes/ModeStandby.c
===================================================================
diff -u -rebbb1f85550a1f9b8f946655f7b2b63f76fbf67d -r11e3b3ea59f507ffc4cd6b64e1821689295e207c
--- firmware/App/Modes/ModeStandby.c	(.../ModeStandby.c)	(revision ebbb1f85550a1f9b8f946655f7b2b63f76fbf67d)
+++ firmware/App/Modes/ModeStandby.c	(.../ModeStandby.c)	(revision 11e3b3ea59f507ffc4cd6b64e1821689295e207c)
@@ -268,6 +268,7 @@
     // After HD requests to stop or 10 seconds has elapsed, close and return to idle state
     if ( ( TRUE == stopSampleWaterRequest ) || ( TRUE == didTimeout( waterSampleStartTime, MAX_WATER_SAMPLE_TIME_MS ) ) )
     {
+        stopSampleWaterRequest = FALSE;
         setValveState( VSP, VALVE_STATE_CLOSED );
         setValveState( VPD, VALVE_STATE_OPEN );     // TODO: VPD drain state is closed for V3
         state = DG_STANDBY_MODE_STATE_FLUSH_FILTER_IDLE;