my sons radio in a focus was the same, swapped it to my focus worked ok for few days then fault re-appered
seems to be an intermittent fault i have taken it apart a few times and cant find any fault, put back in the car seems ok for a day or two then fault is back ,the cd part works fine all the time?? if you find a cure would you please let me know as it is sat in the garage awaiting some inspiration.
howtomendit.com for free repair help, information and advice.
Try fixfault.com to fix in-car audio.