Fault deduction and bad services

February my house loan account been handling by administrator because financial I'm not coping, but every month, FNB debit my account it has been several times going to Klipfontein branch at Witbank and report asking help to revers the charges because I'm not using that account anymore but when assistants helping me to contact house loan department no one answering the phone. and now my account has been in areas because of them and they making my name bad. i need FNB to reverse all those charges and close that account because its their fault they receiving their money every month from debts collectors but the also continuing every month to collect twice from my account and from debt's councillors.