Should the Board receive any serious complaints regarding a teacher in its employ, the Board shall communicate the substance of such complaint immediately in writing to the teacher so concerned. Before passing judgment the Board shall afford such teacher an opportunity to make personal presentation of the teacher’s case and such teacher may be assisted during the said presentation by a representative and/or counsel. It is agreed and understood by the parties that any and all disputes under this collective agreement as they relate to this article will be limited only to the fact that the complaint was not communicated to the teacher or that a hearing was not granted by the Board.