You have to go to the manufacturer of the CNC controller. This Is Yaskawa.
Try "Yaskawa.com":http://www.Yaskawa.com or "Yaskawa.de":http://www.Yaskawa.de or "Yaskawa.co.jp":http://www.Yaskawa.co.jp . these are the sites of Yaskawa. here you find information on service.