Disklavier

Good evening, everyone.

Bill wrote:

<<The technician came and installed the EMK1 a couple days ago.  Today
I tried to play from a diskette and the piano does not play.  The
accompanyment plays fine but the keys do not move. >>

Is there a problem playing Yamaha-published Disklavier software or is the 
problem with non-Yamaha sofware? If it is the latter, there is an easy fix.

Regards,
PianoBench