VDO cdr500 (E) code ?

hi could anyone help my fathers vauxhall VDO CDR500(E) CD player has lost its code after battery change .
the only numbers on cd player are as follows ...
9022 214 03759 03
003 0303 1727635
VDO 330 886636
NO-24 469 302
TYPE-CDR500(E)
2F4
WA030303
ANY HELP WOULD BE APPRECIATED