北伦敦的一个熔断保险丝使火车延误了将近一小时。
A blown fuse in north London delayed trains for over an hour.
首先检查保险丝看是否熔断,然后拔下喇叭插头,用万用表测量在按喇叭开关时此处是否有电。
First check the fuse to see whether the fuse, and then pull off the horn plug, using a meter measurement in the horn switch when there is electricity.
如有断路、接触不良、保险丝熔断、缺相,应查明原因并及时进行修复。
For opening, the connection is bad, fuse links, lack of, should determine the cause and time to repair.
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