1, placed unsteadily, if the ground you place is uneven, the refrigerator may make a loud noise when it is in operation. 2. Is there something wrong with the compressor, or is there something wrong with the compressor? If you check the other items, it means there is something wrong with the compressor. Please don't disassemble it at will. You should contact the after-sales service in time and let professionals handle it. 3. Clean the ice in the freezer. There is thick ice in the freezer, which will also affect the normal work of the freezer and produce certain noise. Please pay attention to cleaning the ice in the freezer at ordinary times. Recommended reading: 4. Is it because of the voltage that the machine can't provide enough pressure when working, which may also cause some machines to fail to operate, thus causing great noise? The company's main products/services: commercial refrigerators; Supermarket freezer; Island cabinet; Supermarket freezer; Refrigerated display cabinet; Ice porridge cabinet; Vertical display cabinet; Air curtain cabinet; Cake cabinet; Fruit fresh-keeping cabinet; Freezing cabinet; Supermarket freezer; Energy-saving freezer; Double temperature cabinet; Refrigeration equipment; Food display cabinet; Refrigerator; Refrigerated display case; Vertical freezer; Fruit supermarket freezer; More than 20 series and dozens of specifications, such as vegetable fresh-keeping cabinets, can meet the needs of different enterprises and customers. Hefei qimei electric appliance co., ltd is your best choice!