Bank change doesn't work

[Olle2]

Hi
I have a DIGI001 and PT 6.01 OSX and got problems to get the outgoing programchanges to my Proteus2000 to work.
I've loaded the right patchnames in PT but when trying to change programs the P2000 doesn't react. If I set the bank in the programchangewindow to "no bank" (No patchnames displayed) it works fine but when I set the bank to any of the other banksettings (with names, and corresponding bankchanges) P2000 just flashes when the change is sent but it doesn't change program/bank.
I have no filters that I know of set that could block the bankchanges and from Cubase through the Digi001-midiinteface the bankchanges works.
Does anyone have a clue on this?
Olle