Newbie question about ltr48246 & bwa builder

sorry for my english…

i have bought a ltr 48246s …
now i want to build a bwa-file from a disc …
but the % stays at 0,00 …
the recorder led is blinking but nothing seems to happen …

it´s my fault or is the recorder damaged ?

in my dvd-ram it´s working with the same disc …

Draakaar