thanks for your reply.
I have performed the LED diagnosis. throwing me the code "14FF" (0001 - 0100 - 1111 - 1111)
I read on the ps3devwiki page about the code it tells me the following:
" This error can occur when the console was on at the time the YLOD occurred. On consoles exhibiting...
I have a PS3 slim 3001a (KTE-001 board) the device turns on and displays the video signal without problem. The wireless connection works well, whatever, everything works perfectly.
The problem is after 40 or 60 seconds, the device turns off without any "beep" and there is no "stand-by" light...