代码 SRVO-248: Deadman switch status abnormal
问题描述与安全警告
Fanuc R-30i Series Robot Controller 触发了严重的 Deadman switch status abnormal 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 status of two DIs of DEADMAN switch do not match. Remedy: 1. Release both deadman switches at once. If SRVO-236 Chain failure is repaired occurred, there is no hardware problem. This alarm could occur when deadman switch is pressed halfway. 2. When SRVO-236 does not occur, please replace hardware in following order. - Teach pendant - Cable between teach pendant and panel board - Panel board - Cable between panel board and main board 3. After measures, the release operation of chain abnormal state is necessary. • The emergency stop button on the teach pendant or operator panel is pressed once, and released. • F4 'RES_1CH' is pressed on the Alarm Active screen. • The reset button is pressed.
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-248 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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