Index: firmware/App/Services/SystemComm.c
===================================================================
diff -u -r61716bc97ecca8af1ec560333844a8cf602eccb0 -r9c785a779da348df1c066ae0da2d0f53de7ea936
--- firmware/App/Services/SystemComm.c	(.../SystemComm.c)	(revision 61716bc97ecca8af1ec560333844a8cf602eccb0)
+++ firmware/App/Services/SystemComm.c	(.../SystemComm.c)	(revision 9c785a779da348df1c066ae0da2d0f53de7ea936)
@@ -1613,6 +1613,10 @@
                 handleTestFansRPMAlarmStartTimeOffsetOverrideRequest( message );
                 break;
 
+            case MSG_ID_HD_FANS_DUTY_CYCLE_OVERRIDE:
+                handleSetFansDutyCycleOverrideRequest( message );
+                break;
+
             default:
                 // Unrecognized message ID received - ignore
                 break;