Index: firmware/App/Modes/ModeFill.c
===================================================================
diff -u -r2f26e48d0ed5cc3aad6d4b1840005e60c944074d -r7acc14a8f6eeaf6b26757fc2b5d2f6fc7edbdcec
--- firmware/App/Modes/ModeFill.c	(.../ModeFill.c)	(revision 2f26e48d0ed5cc3aad6d4b1840005e60c944074d)
+++ firmware/App/Modes/ModeFill.c	(.../ModeFill.c)	(revision 7acc14a8f6eeaf6b26757fc2b5d2f6fc7edbdcec)
@@ -583,7 +583,6 @@
         // to dialysate production directly
         if ( TRUE == isThisTheFirstFill() )
         {
-            sendMaxRORejectionRatioRequestToHD();
             result = DG_FILL_MODE_STATE_PRIME_CONCENTRATE_LINES;
 
             if ( TRUE == getTestConfigStatus( TEST_CONFIG_EXPEDITE_PRE_TREATMENT ) )
Index: firmware/App/Modes/ModeStandby.c
===================================================================
diff -u -r542a50ea0f1958b02ddc8f1824eb534686616e7c -r7acc14a8f6eeaf6b26757fc2b5d2f6fc7edbdcec
--- firmware/App/Modes/ModeStandby.c	(.../ModeStandby.c)	(revision 542a50ea0f1958b02ddc8f1824eb534686616e7c)
+++ firmware/App/Modes/ModeStandby.c	(.../ModeStandby.c)	(revision 7acc14a8f6eeaf6b26757fc2b5d2f6fc7edbdcec)
@@ -264,6 +264,7 @@
     {
         pendingStartDGRequest = FALSE;
         signalSyncToHD();
+        sendMaxRORejectionRatioRequestToHD();
         requestNewOperationMode( DG_MODE_GENE );
     }
     else if ( TRUE == pendingStartDGFlushRequest )