RouterBoard 532 no boot

I have RuterBoard 532. When power on, in serial terminal say:

RuterBOOT booter 1.2
RuterBoard 532

And nothing more. If power on with reset buton press say:

RuterBOOT booter 1.0beta6
RuterBoard 532
Autorization: Failed

And nothing more.
What can I do?