Tascam DP01 All-In-One Recording Package Microphone "dp02 problems" Questions

...DP02 error 12 please power down. I went to an electronics store and asked a computer technician and he said it probably isn't getting proper power to start up .We looked at the manual specifications ...

DP02 when mastering it says trk too short??????? so my song is done and ready to master..then write..then finalize and burn.. but when i press master it keeps saying trk too short. i set the in and ...