You'll have a better chance winning if you hire counsel. This is a serious matter and the court will take it seriously.
This answer is for general purposes only and does not establish an attorney-client relationship. Consult with an attorney if you need further assistance.
If you lose the hearing and the Court continues the protective order, if you violate the protective order in the future you could face a charge of a Class A Misdemeanor. While the protective order hearing is not a criminal matter, you should probably at the least consult with an experienced criminal defense attorney. You do increase your chances of winning making sure you are represented.