Index: firmware/App/Services/SystemComm.c
===================================================================
diff -u -raa984355ca6b3848d4ac689902b13aed63103b15 -r35b79680b35e741c9b3928068ea1d3b029f42877
--- firmware/App/Services/SystemComm.c	(.../SystemComm.c)	(revision aa984355ca6b3848d4ac689902b13aed63103b15)
+++ firmware/App/Services/SystemComm.c	(.../SystemComm.c)	(revision 35b79680b35e741c9b3928068ea1d3b029f42877)
@@ -1277,6 +1277,12 @@
                 handleDGRTCControlReg3StatusOverrideRequest( message );
                 break;
 
+#ifndef _RELEASE_
+            case MSG_ID_DG_NELSON_DISINFECT_SUPPORT:
+                handleTestDGNelsonDisinfectSupport( message );
+                break;
+#endif
+
             default:
                 // TODO - unrecognized message ID received - ignore
                 break;