The light is on.; The lamp is lit up.

灯着了。

《新英汉大辞典》

If no faults are stored in the DME but the fault lamp is lit, check the transmission control unit.

如果没有故障被存储在DME但故障灯点亮时，检查传输控制单元。

youdao

The hour signal lamp is lit by the time pulse which is interpreted from the electronic timer fixed on the distributor.

配电盘上装有电子表，从中译出时脉冲来点燃时号灯。

youdao

As that lamp is lit, we should all recommit ourselves to bring light to any place still facing darkness.

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