diff --git a/lv/lv2200a.uml b/lv/lv2200a.uml
index 02dd646d8..8f07f8164 100755
--- a/lv/lv2200a.uml
+++ b/lv/lv2200a.uml
@@ -186,7 +186,7 @@ BEGIN
   FLAGS "U"
   PROMPT 2 3 "Ordine ferm. "
   FIELD ORDFER
-  CHECKTYPE REQUIRED 
+  CHECKTYPE NORMAL 
 END
 
 NUMBER F_S_FREQ 2