press the ventilation button in the closed state to start the holiday ventilation function.

press the ventilation button to start the holiday ventilation function when the fan of the range hood is off. The bright fan on the back of the button will run at low speed for 5 minutes every hour, and the fan will be suspended for 55 minutes after the countdown.

The range hood has the function of automatic ventilation when there is no one at home on a holiday. When you go out, turn that function on and you can use it.