代码 PS1200 / BG1200 / SR1200: PULSCODER INVALID ZERO RETURN
问题描述与安全警告
Fanuc 0i-D / 0i Mate-D Alarm List 触发了严重的 PULSCODER INVALID ZERO RETURN 警报。需要由合格的操作员或维修技师立即处理，以防止在制造周期中对设备造成二次损坏或导致零件报废。在接触电气控制箱之前，请务必确保遵循标准安全和停机挂牌 (LOTO) 程序。
官方故障排除步骤
Section: CNC alarm list Alarm group: Program/operation, background edit, communication (PS/BG/SR common alarm number) Original alarm number: 1200 The grid position could not be ca lculated during grid reference position return using the grid system as the one-revolution signal was not received before leaving the deceleration dog. This alarm is also generated w hen the tool does not reach a feedrate that exceeds the servo error amount preset to parameter No. 1836 before the decel eration limit switch is left (deceleration signal *DEC returns to “1”).
Source: Fanuc B-64305EN/03 Appendix A Alarm List
Last reviewed: 2026-07-01 · Verified against the manufacturer’s official documentation.
关于 Fanuc 0i-D / 0i Mate-D Alarm List 警报
由 Fanuc 制造的工业控制器具有广泛的诊断系统，用于保护内部电路和机械连杆。当 0i-D / 0i Mate-D Alarm List 出现类似 PS1200 / BG1200 / SR1200 的错误代码时，通常表示指令值与实际传感器反馈之间存在不匹配。
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