Midi Problems, Midi recieve and send Options

[Mac-Dee]

Hey all

I am running Logic 7.1 and I have a fantom x8 i have recently had a problem with the midi , i am getting a midi message signal coming through to the seq as it shows up on the transport but when i go to the side (arrange page) and select a fantom X track it select bank and number it shows its playing the sound but no sound whats the problem any one know ?\

thanks in advance