代碼 WN69: I/O Link i DO ALARM
問題描述與安全警告
Fanuc 30i/31i/32i CNC 觸發了嚴重的 I/O Link i DO ALARM 警報。需要由合格的操作員或維修技師立即處理，以防止在製造週期中對設備造成二次損壞或導致零件報廢。在接觸電氣控制箱之前，請務必確保遵循標準安全和停機掛牌 (LOTO) 程序。
官方故障排除步驟
(CHn Gxx Syy zz: PMCm Ybbb = **H ) (Note1) Check DO of the relevant device. The DO alarm (ex. a short circuit with the ground) occurs at “zz” bytes of slot “yy” of group “xx” in channel “n”. Y “bbbb” of PMC path ”m” is the address at which the alarm occurred. DCSPMC Y”bbbb” is the address for DCSPMC. Display of “PMC*Y****” is the case of occurrence of unassigned address. The “**H” shows some bits at which the alarm occurs by hexadecimal. (Ex. “PMC1Y115=28H” shows the alarm occurs at Y115.3 and Y115.5 in PMC1. “28H” means “00101000” in binary. ) For the details of the alarm of I/O devices, refer to the “Connection manual (HARDWARE) (B-64483EN)”.
Source: Fanuc Series 30i/31i/32i-A Maintenance Manual, Appendix A Alarm List — PMC alarms (B-64485EN/01)
Last reviewed: 2026-07-01 · Verified against the manufacturer’s official documentation.
關於 Fanuc 30i/31i/32i CNC 警報
由 Fanuc 製造的工業控制器具有廣泛的診斷系統，用於保護內部電路和機械連桿。當 30i/31i/32i CNC 出現類似 WN69 的錯誤代碼時，通常表示指令值與實際感測器回饋之間存在不匹配。
完整警報清單: 85 Fanuc 30i/31i/32i CNC 代碼s.
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