Reading the two digits on the spindle amp LED? This full list maps FANUC SPM alarm codes 01–88 and A/b0/C0 letter codes to plain-English meaning, first action, and how to tell whe...

从符号、线号、页次到主回路、控制回路，再到 PMC 地址怎么对应回图纸上的那根线——手把手教你把一张数控机床电气原理图读明白，并顺着报警号反查故障点。