Maintenance Tips for Traffic Signals

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As we all know, traffic signals play an important role in our lives. They work in the exposed environment. Today, some common knowledge about the maintenance of traffic signals will be introduced, and we hope the tips work.

1. The traffic signals at the intersection are all not on: The causes may be the power failure, burning of the main fuse (caused by short circuit) and burning of the main board (caused by lightning stroke). In this case, it is necessary to power on, replace the fuse, and repair the circuit and mainboard at the same time.