diff --git a/src/services/services.json b/src/services/services.json
index 863fc269..a1502f71 100644
--- a/src/services/services.json
+++ b/src/services/services.json
@@ -354,6 +354,7 @@
           "9": "Inverting",
           "10": "Power assist",
           "11": "Power supply",
+          "250": "Blocked",
           "252": "External control"
         }
       }