Main Dial not working in Canon 60D

[yasomoca]

I purchased my 60D kit last month. yesterday, I found that the main dial is not working as it should. It rotates left and right, but no effect on the shutter speed or any settings that uses the main dial, i am always using the manual settings, any suggestions? 

Thanks in advance

[yasomoca]

UPDATE:

okay.. I have deattached the battery grip and insert one of the batteries in the camera, and found that the main dial is working smoothly. So, now is the battery grip affecting the main dial job in the camera? or because its aftermarket?

[augierdesign]

excellent .!!!!!!!! works for me