代碼 ER91: I/O CONFIGURATION DATA PARITY
問題描述與安全警告
Fanuc 30i/31i/32i CNC 觸發了嚴重的 I/O CONFIGURATION DATA PARITY 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
(Note3) (1) Enter the I/O configuration file again. (2) If this error still occurs after reentry, a hardware failure may occur. Contact us. The parity of I/O configuration data is invalid.
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 ER91 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.
Have a better solution?
Help the industrial community by sharing your repair experience for code ER91.
Need a searchable reference for more Fanuc 30i/31i/32i CNC manuals?
We structure equipment manuals into searchable code, title, cause, solution, safety note, and source-reference data. Send a PDF and example searched codes when you need public pages, private search, or structured exports.
Space reserved for Google AdSense / Industrial Affiliate Links
Monetization target for 2026