| 摘要 |
PURPOSE: A light including a fault display device facilitates maintenance by flashing only a fault display light separately from adjacent lights in failure. CONSTITUTION: A lighting device (140) includes a stabilizer and a lamp. The stabilizer and the lamp are electrically connected to external input power. A light pole supports the lighting device. A control unit (50) generates internal control signals. A display driver (60) drives a fault display light according to the internal control signal. |
