代码 SRVO-136: DCLVAL alarm (G:%d A:%d)
问题描述与安全警告
Fanuc R-30i Series Robot Controller 触发了严重的 DCLVAL alarm (G:%d A:%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 servo amplifier DC current (DC link voltage) is abnormally low. Remedy: The case of R-30iA Controller: • This alarm occurred when robot is moving. 1. Check the input voltage to the controller is within the rated voltage and no phase is lack. And check the setting of the transformer is correct. 2. It is possible that an instant disconnection of power source causes this alarm. Check whether an instant disconnection occurred. 3. Replace the E-stop unit. 4. Replace the servo amplifier. • If this alarm occurred before the magnetic contactor is turned on : 1. Check whether the circuit breaker in the emergency stop unit is OFF. If it is OFF, check the servo amplifier and the wiring between the servo amplifier and the emergency stop unit. If anything is abnormal, replace it. Else turn on the breaker. 2. Check the input voltage to the controller is within the rated voltage and no phase is lack. And check the setting of the transformer is correct. 3. Replace the E-stop unit. 4. Replace the servo amplifier. • In an auxiliary axis system and if this alarm occurred right after the EMERGENCY STOP button was pressed, check whether the auxiliary axis unit is installed correctly. • In the case of the Mate Controller, refer to the Mate Controller Maintenance Manual.
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-136 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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