DigiTech GNX4 Multi-Effects, 8 Track Recorder, USB Audio  SPARES or REPAIR

Great quality FX unit, Sadly it has stopped working

The lights come on but the controls dont do anything
The "NEXT" button pushed in (I think it is still inside)
No Power Supply ( uses  9v  AC Adapter)

I tried to do a factory reset but that didnt work

Sold for spares or repair