Black & decker range hood can't clean itself. what's up

The reason is: 1, the smoke exhaust pipe is twisted and straightened by itself; 2. There is a foreign body blockage in the flue of the public * * *, so it is necessary to contact the property management personnel in the building for inspection; 3. The range hood is not cleaned after long-term use, resulting in reduced suction. The solution is cleaning; 4. The wind wheel of the range hood is damaged, please replace it by professionals. Development: cleaning methods of range hoods. 1. Be sure to unplug the power supply before cleaning the range hood, then remove the oil baffle of the range hood and take out the oil cup inside. Then dip a little detergent in a clean rag and gently wipe it where there are stains and oil stains. For some places where the lampblack is particularly heavy and difficult to take care of, it needs to be wiped. After wiping, you need to wipe all the detergents with a dry rag before putting them back. 2. Different from other electrical appliances, the range hood does not need to be cleaned every day, because if it is cleaned every day, it will also damage its working performance. Therefore, as long as you form a habit, you can wipe the stove and fume hood with a rag every day after cooking. In the long run, the lampblack at home will be cleaner and more durable than other people's hoods.