Standards governing Prevention of Industrial Robots Hazards Article 33

Employers shall confirm the indicator light is displayed during the automatic operation after activating of Robots for automatic operation. When Robots or connected machine have any abnormality and workers are required to enter the range of motion for repair, robot shall be shut down in advance before workers enter the range of motion by emergency stop device. The marked sign as “No Touching!” shall be placed at the start switch by the personnel in addition to safety plugs.
中文原文 工業用機器人危害預防標準第33條
雇主對自動運轉之機器人,在其起動後應確認指示燈等顯示在自動運轉中。
因機器人或關連機器發生異常而必須進入可動範圍內搶修時,應於人員進入前,以緊急停止裝置動作等方式停止機器人之運轉,除使工作者攜帶安全栓外,應在啟動開關處作禁止觸動之標示。

English translation for reference only; the Chinese text prevails. Not legal advice.