| ● Whether the temperature is set too high. |
| ● The door not tightly closed or opened frequently or for excessively long period of time. |
| ● The refrigerator is placed where it is exposed to direct sunlight or too close to such heat |
| sources as furnace and heating. |
| ● Poor ventilation: Check whether the plates at both sides of the refrigerator or the steel plate |
| on the back is blocked or these places are dirty. |