My 30" dish is not motorized, but that should not matter. Are you sure your pole is perfectly straight? there is a recent discusssion on g10r where it was mentioned that offset dishes are very senstive about having a perfectly straight mounting pole due to "cross pol". Here it is, about 1/2 down the page http://www.satelliteguys.us/showthread.php?t=77874&page=5&pp=15