Index: firmware/App/Modes/ModeStandby.c
===================================================================
diff -u -r610d25848e5127416f412bcdb5629bbaa1a92c75 -r80a1b6065901ac7a9516a8be17d3db5e4e589455
--- firmware/App/Modes/ModeStandby.c	(.../ModeStandby.c)	(revision 610d25848e5127416f412bcdb5629bbaa1a92c75)
+++ firmware/App/Modes/ModeStandby.c	(.../ModeStandby.c)	(revision 80a1b6065901ac7a9516a8be17d3db5e4e589455)
@@ -68,6 +68,7 @@
 static BOOL pendingStartDGHeatDisinfectActiveCoolRequest;                               ///< Flag indicating HD has requested DG start heat disinfect active cool.
 static BOOL pendingStartDGChemicalDisinfectFlushRequest;                                ///< Flag indicating HD has requested DG start chemical disinfect flush.
 static BOOL pendingStartDGROPermeateSampleRequest;                                      ///< Flag indicating HD has requested DG start RO permeate sample.
+static BOOL haveDGInstitutionalValuesBeenRcvd;                                          ///< Flag indicating DG has received DG institutional values.
 
 static OVERRIDE_U32_T filterFlushTimePeriod = { FILTER_FLUSH_TIME_MS,
                                                 FILTER_FLUSH_TIME_MS, 0, 0 };           ///< Filter flush time period in ms.
@@ -90,7 +91,7 @@
  * flushFilterRequest, endSampleWaterRequest, waterSampleStartTime,
  * filterFlushStartTime, filterFlushPublishTimerCounter, pendingStartDGRequest,
  * pendingStartDGHeatDisinfectActiveCoolRequest,
- * pendingStartDGROPermeateSampleRequest
+ * pendingStartDGROPermeateSampleRequest, haveDGInstitutionalValuesBeenRcvd
  * @return none
  *************************************************************************/
 void initStandbyMode( void )
@@ -109,6 +110,7 @@
     pendingStartDGChemicalDisinfectRequest       = FALSE;
     pendingStartDGHeatDisinfectActiveCoolRequest = FALSE;
     pendingStartDGROPermeateSampleRequest        = FALSE;
+    haveDGInstitutionalValuesBeenRcvd            = FALSE;
 
     // Reset the heaters efficiency for another treatment
     resetHeatersEstimationGain();
@@ -262,12 +264,18 @@
     }
     else if ( TRUE == pendingStartDGRequest )
     {
-        pendingStartDGRequest = FALSE;
-        signalSyncToHD();
-        // Request the DG institutional values from HD in case DG was not restarted so DG did not request
-        // the institutional values at POST. Request again here for safety.
-        sendDGInstitutionalValuesRequestToHD();
-        requestNewOperationMode( DG_MODE_GENE );
+        if ( FALSE == haveDGInstitutionalValuesBeenRcvd )
+        {
+            signalSyncToHD();
+            // Request the DG institutional values from HD in case DG was not restarted so DG did not request
+            // the institutional values at POST. Request again here for safety.
+            sendDGInstitutionalValuesRequestToHD();
+        }
+        else
+        {
+            pendingStartDGRequest = FALSE;
+            requestNewOperationMode( DG_MODE_GENE );
+        }
     }
     else if ( TRUE == pendingStartDGFlushRequest )
     {
@@ -888,7 +896,20 @@
     return standbyState;
 }
 
+/*********************************************************************//**
+ * @brief
+ * The getDGInstitutionalValues function sets the signal DG institutional
+ * values have been received.
+ * @details Inputs: none
+ * @details Outputs: haveDGInstitutionalValuesBeenRcvd
+ * @return none
+ *************************************************************************/
+void signalDGInstituionalValuesReceived( void )
+{
+    haveDGInstitutionalValuesBeenRcvd = TRUE;
+}
 
+
 /*************************************************************************
  *                       TEST SUPPORT FUNCTIONS
  *************************************************************************/