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代碼 WN70: I/O Link i STATUS

問題描述與安全警告

Fanuc 30i/31i/32i CNC 觸發了嚴重的 I/O Link i STATUS 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

ALARM (CHn Gxx Syy zz = **H) (Note1) Check the alarm information of applied I/O device. The status alarm except for the DO alarm occurs at “zz” bytes of slot “yy” of group “xx” in channel “n”. The “**H” shows some bits at which the alarm occurs by hexadecimal. For the details of the alarm of I/O devices, refer to the “Connection manual (HARDWARE) (B-64483EN)”. 1 When the unit name of the connected I/O dev ice is unknown, its hardware ID is displayed. 2 For some I/O devices, one unit such as a safety I/O unit may consist of two groups. If a connection failure occurs between groups containing units of the same type, PC058 instead of PC056 indicating a connection failure occurs as a unit failure. INPUT INVALID Input a valid address or numeric value. The input address or numeric value is invalid. PROGRAM IS PROTECTED BY PASSWORD Enter the password. The screen cannot be displayed because the program is pr otected by the password. ILLEGAL SUBPROGRAM NAME Input a existent subprogram number or symbol. A nonexistent subprogram number or symbol is specified. SYMBOL UNDEFINED Input a defined symbol or bit address. An undefined symbol character string is specified. THE NET IS NOT FOUND The s pecified net is not found. THE ADDRESS IS NOT FOUND The s pecified address is not found. THE FUNCTIONAL INSTRUCTION IS NOT FOUND The specified functional instruction is not found. WRITE COIL NEEDS BIT ADDRESS Specify a bit address for the write coil search. You entered a byte address when specifying an address used for the write coil search. SOME NETS ARE DISCARDED The system cannot pick up all the nets. Choose the nets to pick up, by using the LADDER DIAGRAM VIEWER display screen, and then perform the net pickup operation manually. The system failed to pick up all the nets because there were 128 nets or more to be picked up. PROGRAM IS BEING MODIFIED Disconnect the online communication with FANUC LADDER-III. Stop other applications from accessing the ladder data. The ladder data cannot be displayed because online communication with FANUC LADDER-III is in progress or another application is accessing the ladder data. THIS FUNCTION IS PROTECTED Cancel the protection by the programmer protection function or 8-level protection function. This function is protected by the programmer protection function or 8-level protection function. CANNOT EDIT FUNCTION BLOCK Edit the program using FANUC LADDER-III. An attempt was made to edit an FB main program. THIS NET IS PROTECTED When you are editing data on a per-subprogram basis, you cannot edit the subprogram frame nets (END1,

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 WN70 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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