This is most likely to do with your clock source. If your clock source is not set to internal, you must ensure your synth is receiving clock successfully in order for your sequence to play. If you do not want to clock your synth from an external source, you must ensure the clock source is set to Internal. This setting can be changed in the SynthTool, which can be found on your products download page.
Keywords: Crave, TD-3, Odyssey, MS-1, Poly D