Bloemfontein lewis

I bought a lounge at Lewis in Bloemfontein in feb two months later it broke after complaint 2 weeks later they picked it up for repair two months later they returned my lounge repaired , 5 months later it broke again same place I launched a complaint (ref 662571) and no response they phoned stating they are waiting for supplier I WANT A NEW SET the service is BAD BAD BAD I am going to contact the ombudsman and speak out for assistance regarding this matter what about my right as Customer (CPA)