Rock-Ola 490

My Rock-ola start today with the defaul price ligth on, The computer Batery was dead, I changed it already, but when I try to configure the prices tables, Every thinks are OK until when I try to save de table, the initialization light never turn to on, and the Rock-ola never go to normal operation, and with the defaul prices light do no work!!!!!!!. Please some body give me a tip, I really want to fix it and I no have any idea!!!, tks