1. It may be that the distance between the ingredients and the inner wall of the refrigerator is too close, which leads to the freezing of the refrigeration pipeline, thus causing the freezing. When placing ingredients, users should lean as far as possible to avoid touching the inner wall.

2. It may be that the refrigerator is frequently opened, because the temperature difference between inside and outside is large, which causes the water vapor around the refrigerator to freeze into ice. When users use it, try to take things out at one time to avoid repeated switching.

3. It may be that the temperature is too low, so you just need to raise the temperature.

4. It may be that the drain pipe is blocked, which can dredge the drain pipe.

Second, what are the daily maintenance skills of the refrigerator?

1. Before the refrigerator is put into use, you can use tools to coat a layer of glycerin on the inner wall, which can form a protective film. Even if the ingredients are poured out or residues are left inside, it can be easily cleaned, reducing the difficulty of later cleaning.

2. Many users use refrigerators and only clean the inside and exposed parts, but hardly clean the compressors on the back and inside, which will easily affect the heat dissipation and even increase the working difficulty of the compressors. Therefore, it is necessary to regularly use vacuum cleaners or other tools to remove dust and avoid accumulation.

Ordinary refrigerator is open 24 hours. If the user needs to close it for a long time, it is necessary to take out all the ingredients inside and clean them up, and then close the door after the water inside is completely volatilized, otherwise the contents inside will easily leave an odor.