I have a 2006 Bahia spa that the control panel started flashing odd digits and after a day went blank and the buttons would not work. The heater and the pump still stayed on. Do I need a new control panel or is there more of a problem. Mother board?

I have a 2006 Bahia spa that the control panel started flashing odd digits and after a day went blank and the buttons would not work. The heater and the pump still stayed on. Do I need a new control panel or is there more of a problem. Mother board?