three HDD flashing amber - MD3000i Raid Enclosure

Hi,

I have MD3000i Raid enclosure with 11 HDD each 300gb, two problem I have :

- Three out of 11 are keep flashing amber , I replaced these HDDs two times with same spec. but           still blinking

- The enclosure status led flashing amber ( red color)

Pls note also that the battery is expired for both controller and will be replaced soon

Any help pls? that is extermly urgent

Thanks

M