The specific steps are as follows:
1. First, unplug the orange wire from the socket L 1, as shown in the figure below.
2. Next, connect the red wire to L2 of the circuit board, as shown in the figure below.
3. Then, find a yellow line and connect it with the orange line, as shown below.
4. Then, tighten the two wires by hand, as shown in the figure below.
5. Then, the red line is tightened like this, as shown below.
6. Next, connect the red line to L 1 1, as shown in the figure below.
7. Then, connect the yellow line to L2 1, as shown in the figure below.
8. Finally, connect at this time, as shown in the figure below.
Precautions:
1. When connecting the jumper, please make sure there is no electricity to avoid personal injury.
2. When connecting the jumper, please follow the following steps.
If you can't connect the wire, you must find a professional to deal with it.
4. Don't connect the wires at will to avoid losing them.