Index: firmware/App/Modes/ModeStandby.c
===================================================================
diff -u -r174197d53ce0d602350536bbe15fef807ddb0a6d -r32b198b922f305a1838fe10e42d5dc83325f0180
--- firmware/App/Modes/ModeStandby.c	(.../ModeStandby.c)	(revision 174197d53ce0d602350536bbe15fef807ddb0a6d)
+++ firmware/App/Modes/ModeStandby.c	(.../ModeStandby.c)	(revision 32b198b922f305a1838fe10e42d5dc83325f0180)
@@ -44,13 +44,12 @@
 
 // ********** private data **********
 
-static DD_STANDBY_MODE_STATE_T standbyState;                                              ///< Currently active standby state.
+static DD_STANDBY_MODE_STATE_T standbyState;                                            ///< Currently active standby state.
 
-static BOOL pendingStartDDPreGenRequest;                                                  ///< Flag indicating TD has requested DD start the pre generation dialysate request.
+static BOOL pendingStartDDPreGenRequest;                                                ///< Flag indicating TD has requested DD start the pre generation dialysate request.
 static BOOL pendingStartDDFlushRequest;                                                 ///< Flag indicating TD has requested DD start flush.
 static BOOL pendingStartDDHeatDisinfectRequest;                                         ///< Flag indicating TD has requested DD start heat disinfect.
 static BOOL pendingStartDDHeatDisinfectActiveCoolRequest;                               ///< Flag indicating TD has requested DD start heat disinfect active cool.
-static BOOL pendingStartDDROPermeateSampleRequest;                                      ///< Flag indicating TD has requested DD to command RO to start permeate sample.
 
 // ********** private function prototypes **********
 
@@ -71,7 +70,6 @@
     pendingStartDDFlushRequest                   = FALSE;
     pendingStartDDHeatDisinfectRequest           = FALSE;
     pendingStartDDHeatDisinfectActiveCoolRequest = FALSE;
-    pendingStartDDROPermeateSampleRequest        = FALSE;
 }
 
 /*********************************************************************//**
@@ -195,11 +193,6 @@
 
         requestNewOperationMode( DD_MODE_HCOL );
     }
-    else if ( TRUE == pendingStartDDROPermeateSampleRequest )
-    {
-        pendingStartDDROPermeateSampleRequest = FALSE;
-        requestNewOperationMode( DD_MODE_ROPS );
-    }
 
     return state;
 }