diff --git a/site_ansto/hardsup/west4100util.c b/site_ansto/hardsup/west4100util.c
index a46e1f45..a6dde8dd 100644
--- a/site_ansto/hardsup/west4100util.c
+++ b/site_ansto/hardsup/west4100util.c
@@ -197,7 +197,7 @@
      else printf("OK\n");
 
      // Set Output Limit
-	 if((iRet=WEST4100_ConfigureAndQueryGen(self,"Output Power to 100%..",20,100,""))!=1)     
+	 if((iRet=WEST4100_ConfigureAndQueryGen(self,"Output Power to 40%..",20,40,""))!=1)     
      	return iRet;
      
      // Set Alarm1 Limit