代碼 ER95: IO DEVICE
問題描述與安全警告
Fanuc 30i/31i/32i CNC 觸發了嚴重的 IO DEVICE 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
MISMATCH(CHn) (Note3) When this alarm is issued with a machine which has operated normally, possible causes are: (1) The communication cable is broken or a connection failure occurs in the cable. (2) The power to an I/O device is off or is turned on too late. (3) A failure occurs in an I/O device. (4) When the power to the CNC is turned off, then on again, the power to an I/O device is kept on. When turning the power to the CNC off, then on again, be sure to turn the power to all I/O devices off, then on. When this alarm is issued during debugging of a sequence program, there are the following possible causes in addition to the above: (5) The connected I/O device configuration (type, sequence, or number of units) is invalid. (6) An invalid I/O device configuration is registered. When this alarm is issued, any inconsistent I/O device can be checked in the “I/O Device Monitor screen”. This alarm is issued when the I/O devices actually connected to the CNC is inconsistent with the I/O device configurati on registered in the I/O device connection diagnosis screen. All I/O devices connected to the channel for which this alarm was issued are not linked. The ladder program is run even when this alarm is issued.
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 ER95 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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