选购电冰箱时对于质量的9个检查步骤, - 宁波家电维修网（When choosing refrigerators, 9 inspection steps for quality - Ningbo appliance maintenance network）.docVIP

选购电冰箱时对于质量的9个检查步骤, - 宁波家电维修网（When choosing refrigerators, 9 inspection steps for quality - Ningbo appliance maintenance network） 9 inspection steps of quality for refrigerators Ningbo refrigerator maintenance tips: to identify the quality of refrigerator will be detected 49, of which 32 are safety items, should first check the refrigerator nameplate and the random file, when the purchase and then check the refrigerator quality without electricity and electricity case. The process of checking the quality of a refrigerator can be summed up in the following 9 steps: 1. appearance. See if there is any paint, bruises or scratches. A qualified refrigerator should have a bright surface, a flat inside, a solid handle and all components. The star sign is clear, and the condenser, filter and capillary pipe at the back of the box are not damaged or squashed. No weld, oil pipe joints and other phenomena. Check the refrigerator parts, when conditions can be detected by halogen leak detector, parts of the refrigeration system should not leak refrigerant. Can also carefully observe the compressor and piping, welding and other piping welding mouth, whether or not to determine the oil pollution. Special attention should be paid to compressor fixed screws, should not be loose. 2., with your fingers gently buckle the refrigerator body, listen to whether there is an empty sound, if there is a large area of concave deflated phenomenon or empty sound, indicating that the refrigerator liner heat insulation material perfusion foam bad. 3. will open the refrigerator door, box door magnetic door seal tension should be ten, 1 kg. Observe whether the door is flat around the plane, pay special attention to the four corners of the door, whether the welding is smooth, whether there are cracks, curling and welding. When closing the refrigerator door, the door shall be automatically closed and closed when the opening of the box door is 3-5 millimeters away from the case. When the box door is closed