Index: firmware/App/Controllers/DGInterface.c
===================================================================
diff -u -r5af49574b5f8e99aa9ea451033213dcd765ea837 -r46c538cc5b7b40ddc8227e2ad1c77bab93716571
--- firmware/App/Controllers/DGInterface.c	(.../DGInterface.c)	(revision 5af49574b5f8e99aa9ea451033213dcd765ea837)
+++ firmware/App/Controllers/DGInterface.c	(.../DGInterface.c)	(revision 46c538cc5b7b40ddc8227e2ad1c77bab93716571)
@@ -254,7 +254,7 @@
             {
                 if ( DG_GEN_IDLE_MODE_STATE_FLUSH_WATER == dgSubMode )
                 {
-                    cmdStartDGDrain( DRAIN_RESERVOIR_TO_VOLUME_ML, TRUE, FALSE );
+                    cmdStartDGDrain( DRAIN_RESERVOIR_TO_VOLUME_ML, TRUE, FALSE, TRUE );
                 }
             }
             else if ( DG_MODE_DRAI == dgOpMode )
@@ -863,17 +863,19 @@
  * @details Inputs: none
  * @details Outputs: drain command sent to DG.
  * @param drainToVolMl volume (in mL) to drain inactive reservoir to
- * @param tareLoadCell flag to tell DG tare load cell or not
+ * @param tareLoadCell flag to tell DG tare load cell or not
+ * @param start flag to tell DG to start or stop the drain mode
  * @return none
  *************************************************************************/
-void cmdStartDGDrain( U32 drainToVolMl, BOOL tareLoadCell, BOOL rinse )
+void cmdStartDGDrain( U32 drainToVolMl, BOOL tareLoadCell, BOOL rinse, BOOL start )
 {
     DRAIN_RESERVOIR_CMD_PAYLOAD_T payload;
 
     dgCmdResp[ DG_CMD_START_DRAIN ].commandID = DG_CMD_NONE;
     payload.drainToVolumeML = drainToVolMl;
     payload.tareLoadCells = tareLoadCell;
-    payload.rinseConcentrateLines = rinse;
+    payload.rinseConcentrateLines = rinse;
+    payload.cmd = start;
     dgReservoirDrainVolumeTargetSet = drainToVolMl;
 
     sendDGDrainCommand( &payload );