代码 SRVO-071: SPHAL alarm (Grp:%d Ax:%d)
问题描述与安全警告
Fanuc R-30i Series Robot Controller 触发了严重的 SPHAL alarm (Grp:%d Ax:%d) 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
Cause: The excessively large feedback speed was detected. Remedy: 1. This alarm does not indicate the main cause of the problem if issued together with the PHAL alarm (SRVO-064). 2. It might be mis-detection by the noise. Check whether the ground/shield is connected correctly. If possible, enhance the ground/shield. 3. Replace the pulse coder of the motor. Mastering is required. 4. Replace the servo amplifier 5. Replace the robot connection cable 6. Replace the cable in the mechanical unit
Source: FANUC Robot R-30iA Alarm Code List Operator's Manual
Last reviewed: 2026-07-01 · Verified against the manufacturer’s official documentation.
关于 Fanuc R-30i Series Robot Controller 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 R-30i Series Robot Controller 出现类似 SRVO-071 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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