1. If the refrigerator has no refrigeration, the first thing to consider is whether the power connection is normal. Although everyone thinks this is too simple, even this simple problem is often overlooked, especially when the power cord is exposed in places where people often pass by, it is more likely to be accidentally knocked off. If that's the reason, that's the best way. Plug it in and it's done.

2. Check whether the refrigerator door is closed. If the refrigerator door is not closed properly, the air conditioner will run away, and the things in the refrigerator will naturally not freeze. Pay attention to see if there are any small things left at the door of the refrigerator on weekdays.

3. If the power supply is connected normally and the refrigerator door is closed, but the refrigerator is still not cooling, then it is time to check the compressor of the refrigerator. If the compressor is normal, there will be a slight sound that normal people can hear, and there will be a slight vibration. If you are careful, you can hear it.

4. If the refrigerator compressor works normally, unplug it, and then listen to whether there will be a sound like water flowing in the copper tube of the refrigeration system. If you hear this sound, it means that there is something wrong with the refrigerant in the refrigeration system of the refrigerator, which means that the compressor can no longer serve the refrigerator normally.

In addition, if we store too many things in the refrigerator, it may also cause the illusion that the refrigerator is not cooled. Try to slim down the refrigerator, and maybe it will work normally. This situation is generally because we don't know how to use the refrigerator.

6. After the refrigerator works for a long time, there will be a thick box on the box wall. If you don't handle this box for a long time, it will also affect the refrigeration effect of the refrigerator, so always take the box out of the refrigerator.