Account frozen without notification

My business account was frozen. I received no notification and found out only when I could not use the account and called the call centre. It took 4 or 5 telephone calls and being passed from one person to another. The choices given in the call centre list probably mean something to the bank, but mean absolutely nothing to me so making a choice to get the right person was "hit and miss". I eventually found someone who told me that the account was on hold for FICA purposes, but could not tell me why because the "system was down", and she could not access my account. I went through the FICA process on my laptop and disputed just one item (I no longer have a Telkom line). I was told to expect a form via email - the form never arrived. I have now spent about 3 hours, lots of cell time on the line, and still have no idea why the account was put on hold and what I need to do to rectify the situation. The call centre system that they are using is atrocious - I had to provide my ID number for each choice, and then the operator asked for it again??? The choices don't make sense to a lay person (I have no idea what kind of "client" I am??) and none of the operators that I landed with could actually assist. So I still, after 2 days of trying, don't have access to my account. FNB is supposed to be one of the better banks from an online perspective, but my experience over this time is a very different story.