代碼 SRVO-248: Deadman switch status abnormal
問題描述與安全警告
Fanuc R-30i Series Robot Controller 觸發了嚴重的 Deadman switch status abnormal 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
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.
關於 Fanuc R-30i Series Robot Controller 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 R-30i Series Robot Controller 出現類似 SRVO-248 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。
Have a better solution?
Help the industrial community by sharing your repair experience for code SRVO-248.
Need a searchable reference for more Fanuc R-30i Series Robot Controller manuals?
We structure equipment manuals into searchable code, title, cause, solution, safety note, and source-reference data. Send a PDF and example searched codes when you need public pages, private search, or structured exports.
Space reserved for Google AdSense / Industrial Affiliate Links
Monetization target for 2026