Index: firmware/App/Services/ROInterface.c
===================================================================
diff -u -r9102c5da21a15bdaf4bb3bc38795ceb064e3c443 -rd1527b612b7af4bd3103743b5a61ecad3a133ac0
--- firmware/App/Services/ROInterface.c	(.../ROInterface.c)	(revision 9102c5da21a15bdaf4bb3bc38795ceb064e3c443)
+++ firmware/App/Services/ROInterface.c	(.../ROInterface.c)	(revision d1527b612b7af4bd3103743b5a61ecad3a133ac0)
@@ -111,21 +111,22 @@
 
 /*********************************************************************//**
  * @brief
- * The cmdROStartStop function sends a start/stop command to RO to deliver
- * purified water and required flow rate.
+ * The cmdROStartStop function sends a start/stop command to RO for mode
+ * transition and generate water with commanded flow rate.
  * @details Inputs: none
  * @details Outputs: start/stop command along with flow rate if applicable.
  * @param startStop To start/stop the RO delivery.
  * @return TRUE if msg successfully queued for transmit, FALSE if not
  *************************************************************************/
-BOOL cmdROStartStop( BOOL startStop)
+BOOL cmdROStartStop( BOOL startStop, RO_CMD_ID cmdMode)
 {
     RO_WATER_REQ_PAYLOAD_T roStartRequest;
     BOOL result;
     MESSAGE_T msg;
     U08 *payloadPtr = msg.payload;
 
     // Populate RO start message
+    roStartRequest.cmdID    = (U32)cmdMode;
     roStartRequest.start    = startStop;
     roStartRequest.roRate   = getROFlowRate();