shocking service greenacres nedbank

I went to change my account to months ago at nedbank the small bussniss manager said he change the code I must see the consultantant in a week she will change it I went a month ago to change it and still not change after being there 3 times for the same story going back again today now nedbank want to know why they loosing client I refuse to pay the bank charges this month the employee can pay it for not doing her work