我单位的siemens840c 数控系统故障,mmc cpu板报警9,nc cpu板报警1或5, 同时在显示器侧显示INSTALLING FIXED DISKS ...................FAILED,同时出现以红色框,提示内容如下:HARD DRIVE CONTROLLER DIAGNOSTICS ERROR
FLOPPY DISK CONTROLLER ERROR OR NO CONTROLLER PRESENT
FLOPPY DISK TYPE IS SET INCORRECTLY OR DRIVE ERROR
另外求购 mmccpu板6FC5110-0DB02-0AA4, NC CPU板6FC5110-0BB01-0AA2, 电源板6FC5114-0AB01-0AA1