2. Loosen the lock nut of the current setting knob, slowly adjust the knob clockwise to the working voltage, then lock the nut, and the equipment enters the working state.
3. When the equipment is used for a period of time, the original purification effect can be ensured by adjusting the current setting knob to increase the current.
4. When the fault indicator light is on, it means that the equipment is out of order, and the controller automatically cuts off the high-voltage output, requiring professional maintenance.
5. Turn off the fan switch and the equipment will stop running.