Its def not tracking the arc correct if you entered correct usals and have set motor correct.
1) Motor set incorrect.
2) bracket not 100% plumb all round.
3) Incorrect usals entered.
4) Line of sight issue.
Try resetting to zero and set up on say 13e instead and see where that takes you.
Remember to reset to zero, then send to 13e and then physically move by hand.
Do not try adjusting the dish by driving it through diseqc, Usals will do the hard work.
1) Motor set incorrect.
2) bracket not 100% plumb all round.
3) Incorrect usals entered.
4) Line of sight issue.
Try resetting to zero and set up on say 13e instead and see where that takes you.
Remember to reset to zero, then send to 13e and then physically move by hand.
Do not try adjusting the dish by driving it through diseqc, Usals will do the hard work.