Index: firmware/App/Services/SystemComm.c
===================================================================
diff -u -rdd1a9a6f5e43a5da27f4d51f56388f7d019cc43d -rc5979dcd628346a3df374ae3defd16a4dd47468e
--- firmware/App/Services/SystemComm.c	(.../SystemComm.c)	(revision dd1a9a6f5e43a5da27f4d51f56388f7d019cc43d)
+++ firmware/App/Services/SystemComm.c	(.../SystemComm.c)	(revision c5979dcd628346a3df374ae3defd16a4dd47468e)
@@ -1612,6 +1612,10 @@
                 handleTestFansRPMAlarmStartTimeOffsetOverrideRequest( message );
                 break;
 
+            case MSG_ID_HD_FANS_DUTY_CYCLE_OVERRIDE:
+                handleSetFansDutyCycleOverrideRequest( message );
+                break;
+
             default:
                 // Unrecognized message ID received - ignore
                 break;