1, open the door and know the internal structure. It is mainly composed of power supply, leakage protection switch, wiring and terminal.

2. Cut off the power supply, remove the wiring and replace it.

3. Open the door of the electric field box, unplug the spring screw, take out the electric field, and exchange it at 180.

4. Install the fume purifier step by step, and affix the direction sign.

Changing the electric field of the oil fume purifier is very simple. As long as you are familiar with the steps, you can easily complete them yourself!