Non resolution of Complaint

The bank charged backdated fees on 30 July for April, May, June and July which is unreasonable as no communication of a “new” deposit fee was communicated and they wait till July to back-date 4 months of fees. My account went over and has been locked since 1 Aug, so I cannot pay or transact and the bank will certainly charge interest on this locked account! I lodged a complaint and it's been more the 2 weeks! Not sure if I complaint about not resolving a complaint is possible. I have now resorted to making a complaint at the Ombudsman for Banking services ...