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灯管不亮了有哪些原因
更新时间: 2020-10-31 14:40:06  

造成灯管不亮的原因有两种,一种是开关浸水、螺口灯头出松动造成短路,再就是接线没有接好。首先先检查一下其他的灯管是否全部都亮,检查一下灯丝是不是断了,如果灯丝断了的话,是需要更换灯管的。其次是如果灯丝没有烧断的话,就检查一下开关和灯头,看一下开关可灯头的接触位置是否有接触不良或者断线的情况,用试电笔检测两级是不是有电,如果是一级亮一级不亮的话,就说明灯丝没有接通。

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