Incompotant staff

I purchased a new pos device in Bloemfontein from Capitec merchant services I received my device and it were tested and worked fine until i asked the agent Gontle Jarvis to change my bank details into were my transactions gets paid into she changed it to an account witch i do not know of I had no comunication about that and upon enquiry i found out it were paid into the wrong account I batteled 2 days to be able to use my funds