A negative 4800 or (4800) means that may utang sa iyo ang globe, pwede ka ngang hindi magbayad ng bill worth 4800 php. Hehe. Siguro dahil ito sa system upgrade nila, pero eventually makikita din naman nila yan.
Kung honest ka pwede mo itong ireport sa kanina via hotline or twitter.
I believe they have not adjusted their records yet but eventually they will or you could inform them by calling the hotline as a matter of record.
That same thing happened to me last year and the cashout for the unit did not appear until 4 or 5 months later.