How to check the sealing performance of the refrigerator door seal?

Checking the sealing performance of the refrigerator door seal is an important step to ensure that the refrigerator can effectively maintain the refrigeration and freezing effect. The following are several commonly used inspection methods:

1. Paper clamping method
Prepare paper: Take an A4 paper or similar thin paper and make sure it is not creased or damaged.
Place paper: Clamp the paper in the gap between the refrigerator door and the refrigerator, and try to ensure that the paper can be in close contact with the door seal at different positions.
Close the refrigerator door: Gently close the refrigerator door to ensure that the door is completely closed and not loose.
Inspection results:
If the paper remains motionless after closing the refrigerator door, neither slides down nor can be easily pulled, it means that the sealing performance of the refrigerator door seal is good.
If the paper can be easily pulled out or cannot be fixed at all, it is likely that there is a problem with the door seal at that position, which needs further inspection or replacement.

2. Brightness method
Prepare a flashlight: Turn on the flashlight and make sure its light is bright enough.
Put it in the refrigerator: Put the flashlight inside the refrigerator and then close the refrigerator door.
Check the light:
When the indoor lights are turned off, check whether there is light coming through the refrigerator door.
If the refrigerator door is dark, it means that the sealing performance of the refrigerator door seal is very good.
If there is a faint light that can be seen, it may be that the refrigerator door seal needs to be cleaned or has aged, and the sealing performance is poor.

3. Visual inspection method
Observe the gap: Carefully check the gap between the refrigerator door seal and the refrigerator body to see if there is an obvious gap or deformation.
Touch inspection: Gently touch the door seal with your hand to feel whether it is flat, soft and not damaged.
Inspection results:
If the gap is obvious or the door seal is damaged or deformed, then its sealing performance is likely to be poor.
If the door seal looks flat, soft and not damaged, then its sealing performance may be relatively good, but it still needs to be further confirmed by the paper clip method or light method.

4. Precautions
Before checking, make sure the refrigerator is powered off and cooled to a safe temperature to avoid risks such as electric shock or burns.
Be careful and patient during the inspection to ensure that every position is fully inspected.
If you find any problems with the door seal, you should contact professional maintenance personnel in time for replacement or repair to ensure the sealing performance and energy efficiency of the refrigerator.