Not working after push play

Helou, please help me.

My ipod A1204, if I wanna play the music, is not working.

When I connect the device using USB cable to the computer, I can put the songs in, the media player play the music from Iphone, but when I disconect the device from computer, insert hearing aids, push play buttom, the device star blinkig green, orange, green, orange and nothing more. No music...

Whats wrong, or what I have to do...?

Thanks a lot for your help.

Dr. Simon