Index: firmware/App/Modes/ModeStandby.c
===================================================================
diff -u -r6e23d627c3f5a1ef3f7cca5d4e48eb478b0eef4c -r8cd20927bc9f03f3ca5b04bc42f409a588880a7c
--- firmware/App/Modes/ModeStandby.c	(.../ModeStandby.c)	(revision 6e23d627c3f5a1ef3f7cca5d4e48eb478b0eef4c)
+++ firmware/App/Modes/ModeStandby.c	(.../ModeStandby.c)	(revision 8cd20927bc9f03f3ca5b04bc42f409a588880a7c)
@@ -285,7 +285,7 @@
     REQUEST_REJECT_REASON_CODE_T rejReason = REQUEST_REJECT_REASON_NONE;
 
     // Verify HD is in standby mode waiting for treatment start request
-    if ( ( MODE_STAN != getCurrentOperationMode() ) || ( STANDBY_WAIT_FOR_TREATMENT_STATE != currentStandbyState ) )
+    if ( ( MODE_STAN != getCurrentOperationMode() ) || ( STANDBY_WAIT_FOR_TREATMENT_STATE != currentStandbyState ) || ( isPOSTPassed() != TRUE ) )
     {
         rejReason = REQUEST_REJECT_REASON_NOT_ALLOWED_IN_CURRENT_MODE;
     }
@@ -300,7 +300,7 @@
         rejReason = REQUEST_REJECT_REASON_DG_INCOMPATIBLE;
     }
     // Verify DG is not busy
-    else if ( ( DG_MODE_STAN != getDGOpMode() ) || ( DG_STANDBY_MODE_STATE_IDLE != getDGSubMode() ) )
+    else if ( ( DG_MODE_STAN != getDGOpMode() ) || ( DG_STANDBY_MODE_STATE_IDLE != getDGSubMode() ) || ( isDGPOSTPassed() != TRUE ) )
     {
         rejReason = REQUEST_REJECT_REASON_DG_NOT_IN_STANDBY_IDLE_STATE;
     }