Index: firmware/App/Services/SystemCommMessages.c
===================================================================
diff -u -rb549cc9586c585902f891e1aac5e59b7de445f71 -r923eb5f81bc57b39e545d3710e01ba45665cf402
--- firmware/App/Services/SystemCommMessages.c	(.../SystemCommMessages.c)	(revision b549cc9586c585902f891e1aac5e59b7de445f71)
+++ firmware/App/Services/SystemCommMessages.c	(.../SystemCommMessages.c)	(revision 923eb5f81bc57b39e545d3710e01ba45665cf402)
@@ -4392,7 +4392,8 @@
     BOOL result = FALSE;
 
     // verify payload length
-    if ( sizeof( U32 ) == message->hdr.payloadLen )
+    if ( ( sizeof( U32 ) == message->hdr.payloadLen ) &&
+         ( ( DG_MODE_STAN == getCurrentOperationMode() ) || ( DG_MODE_SOLO == getCurrentOperationMode() ) ) )
     {
         NELSON_SUPPORT_T nelson;