Sagem digital terrestial TV receiver/recorder with hard disk and double tun?

Playing a recording when my wife hit the pause button , the recording locked up , would not restart or close and could not use the receiver. Tried shutting of power and restarting all that came up was the time which was correct.but the unit would restart. Tried new batteries in controller but no Joy . any ideas about 5 weeks worth of programmes on the hard drive we do not want to lose. Thanks in advance. Gordon V. Smith