1. The air inlet or air outlet of the range hood is blocked by sundries or oil stains. It is recommended to clean the air inlet and air outlet.
2. The oil net or oil cup of the range hood is covered with oil and needs to be cleaned in time.
3. There are foreign objects or dust on the cycloidal motor or fan blades of the range hood, which leads to excessive noise. It is recommended to clean or replace the cycloidal motor or fan blades.
4. The motor of the range hood is aging or damaged and needs to be replaced.
5. The instability of the range hood leads to vibration and noise, so it needs to be reinstalled.
If the above methods can't solve the problem, it is recommended to contact a professional maintenance service center for handling. At the same time, in order to prevent the range hood from ringing all the time, we should pay attention to cleaning the range hood, check it regularly and clean the oil net and oil cup in time to ensure the normal operation of the range hood.