● operating for a long time when used for the first time, which is normal. 
● Lots of foods are placed into the refrigerator at a time to be cooled. 
● Hot weather and refrigerator is opened frequently. 
● Refrigerator is not closely tightly. 
● Low temperature setting and see “manual temperature setting”; 
⑩  Higher temperature of containing box and light is out 
● Weather lamp is damaged. 
● Weather power is off.