Logic Pro 9 & Motu 828 interface problem ?

Hi all. I am running Logic Pro 9 on my iMac with a Motu 828 mk2 audio interface connected by firewire. It used to work fine with logic but strangely i now have a problem.
It works fine with iTunes music and listening to sounds/mp3s etc from my desktop but as soon as i boot up logic pro and try to work on a project the only sound output i get is very high pitched noises and large gaps between these noises. It wont play any sounds at all through pro even samples via the browser.
Can anyone help or explain what maybe wrong? i havent a clue whats happened!
Thanks in advance for any help
Paul

PaulDS wrote:
It works fine with iTunes music and listening to sounds/mp3s etc from my desktop but as soon as i boot up logic pro and try to work on a project the only sound output i get is very high pitched noises and large gaps between these noises. It wont play any sounds at all through pro even samples via the browser.
Can anyone help or explain what maybe wrong? i havent a clue whats happened!
Paul, sounds like the MOTU needs a reset.
- Unplug the firewire
- press the button "setup", turn full
- right until "factory default"
- push select
- confirm with "value"
- Power Off the Interface
- Power On The Interface
- Reboot The Mac - Let it settle
- Plug the Firewire Back In
Did you do an OS upgrade with the MOTU plugged In, any time you do an OS upgrade, even if it's just an incremental one (10.8.3 to 10.8.4) unplug the MOTU, some garbage is usually sent out the firewire port during an OS upgrade.

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