bosch 909ds dont start

[Ozzonn]

i bought a 909ds 1 year ago

three month after i bought another and leaved the other

then the 909 starts, shows BOSCH and Welcome! and then
led flash green then red and nothing more, just make a beep
when i strike a key

someone has already solved this ?

[sale]

put another eprom...you can do nothing else ,about soft i mean...
or just new baterry...

[Ozzonn]

ok thx i will try to put another fw

the battery is good (fully charged and no problem)