> Well, I just bought it brand new a couple of weeks ago. Don't have a
> service manual for it, so I have no idea what to fix on it.

You should send it back as it is still under warranty.

You may even contact Matthias Marass ( keyboards@... ). He is the man
who is responsible for the final test and repair of the A-111. Maybe he has
an idea how to fix the problem without sending the module back.

Best wishes
Dieter Doepfer