发那科维修讲义(3)

无

七、常见机械故障分析..............................................................................111

7-1． FANUC i系列数控系统报警号分类.......................................................................111 7-2． 常见故障分析（fanuc维修说明书诊断步骤分析）.............................................112 7-2-1．85～87号报警（有关阅读机／穿孔机接口报警）............................................112 7-2-2．401号报警 （V READY OFF）.........................................................................115 7-2-3．404号报警 （V READY ON）...........................................................................116 7-2-4．700号报警 （过热：控制单元）........................................................................116 7-2-5．701号报警（过热：风扇电机）..........................................................................117 7-2-6．749报警（串行主轴通讯错误）..........................................................................118 7-2-7. 750号报警（串行主轴链起动不良）....................................................................119 7-2-8. 900号报警（ROM奇偶校验错误）.....................................................................121 7-2-9．910～911报警（S/DRAM奇偶校验错误）.......................................................122 7-2-10．912~913报警（0i-A SRAM报警）..................................................................123 7-2-11．912~919报警（DRAM奇偶校验错误，仅适用于0iB~）.............................123 7-2-12．920报警（伺服RAM监测报警）.....................................................................124 7-2-13．930报警（CPU中断）......................................................................................124 7-2-14．935报警（SRAM ECC 错误）.........................................................................124 7-2-15．973报警（不明原因的NMI报警）..................................................................125 7-2-16．974报警（F-总线错误）....................................................................................125 7-2-17．975报警（总线错误）........................................................................................126

八、维修工程师基本操作..........................................................................127

8-1． 常用数据的备份.......................................................................................................127 8-1-1．数据备份的意义：.................................................................................................127 数据的分区和分类...............................................................................................................127 数据的备份和保存...............................................................................................................128 8-1-2．SRAM中的数据备份.............................................................................................128 8-1-3．通过RS232-C传送数据.......................................................................................137 8-2． 更换电池及风扇应注意的问题...............................................................................147 8-2-1．电池的更换.............................................................................................................147 8-2-2 冷却风扇单元的更换...............................................................................................149 8-2-3．更换 LCD 的灯管.................................................................................................150 8-3． 重力轴电机拆卸时应注意的问题...........................................................................153