I want absa rectify error it they cnt refund all my money back

Please ombudsman assist me I took absa home loan okay it happen I was sick I failed to pay 3 months I made arrangements with them fine the send it attorney okay I agree I will pay arreas , I paid arreas I finish them so I keep on paying extra money to my account when I check balance they dnt remove the money of arreas I've been paying and they dnt allocate the extra money am paying but keeping going up last week I paid R12000 I phone them I paid money please allocate to show I paid this March they never do anything instead the debit to my account now they say am owing the they acc R10000 to my account again which is not far I have all proof of payment, paying extra money I send email they dnt attend my cry instead they avoid as nothing is happening my bond suppose to less that R600000 now but still going up